INTRODUCTION
The XRAY XT8 is a modern, high-competition premium luxury racing 1/8
nitro truggy that is the epitome of high-performance and fine distinctive
design. Your XT8 offers highest performance, responsive handling, and
traditionally exceptional XRAY quality, engineering, and design. The superb
craftsmanship and attention to detail are clearly evident everywhere on the
XRAY XT8.
XT8 was designed around a no compromise platform; the attention to detail
creates a low maintenance, extra long life nitro truggy. The ultra-low center
of gravity (CG) and optimized weight balance makes set-up, driving, and
maintenance easy and quick.
CUSTOMER SUPPORT
We have made every effort to make these instructions as easy to understand as possible.
However, if you have any difficulties, problems, or questions, please do not hesitate to
contact the XRAY support team at info@teamxray.com. Also, please visit our Web site
at www.teamxray.com to find the latest updates, set-up information, option parts, and
many other goodies. We pride ourselves on taking excellent care of our customers.
You can join thousands of XRAY fans and enthusiasts in our online community at:
www.teamxray.com
The XRAY XT8 was created by blending highest-quality materials and
excellent design. On high-speed flat tracks or bumpy tracks, whether driving
for fun or racing to win, the XT8 delivers outstanding performance, speed,
and precision handling.
We have made every effort to make these instructions as easy to understand as
possible. However, if you have any difficulties, problems, or questions, please
do not hesitate to contact the XRAY support team at info@teamxray.com.
Also, please visit our web site at www.teamxray.com to find the latest
updates, set-up information, option parts, and many other goodies. We
pride ourselves on taking excellent care of our customers.
XRAY Europe
K Výstavisku 6992
91101 Trenčín
Slovakia, EUROPE
Phone: +421-32-7401100
Fax: +421-32-7401109
Email: info@teamxray.com
XRAY USA
RC America, 2030 Century Center Blvd #15
Irving, TX 75062
USA
Phone: (214) 744-2400
Fax: (214) 744-2401
Email: xray@rcamerica.com
Failure to follow these instructions will be considered as abuse and/or neglect.
SAFETY PRECAUTIONS
WARNING: This product contains a chemical known to the state of California to cause
cancer and birth defects or other reproductive harm.
CAUTION: CANCER HAZARD
Wash thoroughly after using. DO NOT use product while eating, drinking or using
tobacco products. May cause chronic effects to gastrointestinal tract, CNS, kidneys,
and blood. MAY CAUSE BIRTH DEFECTS.
When building, using and/or operating this model always wear protective glasses
and gloves.
Take appropriate safety precautions prior to operating this model. You are responsible
for this model‘s assembly and safe operation! Please read the instruction manual
before building and operating this model and follow all safety precautions. Always
keep the instruction manual at hand for quick reference, even after completing
the assembly. Use only genuine and original authentic XRAY parts for maximum
performance. Using any third party parts on this model will void guaranty immediately.
Improper operation may cause personal and/or property damage. XRAY and
its distributors have no control over damage resulting from shipping, improper
construction, or improper usage. XRAY assumes and accepts no responsibility for
personal and/or property damages resulting from the use of improper building
materials, equipment and operations. By purchasing any item produced by XRAY,
the buyer expressly warrants that he/she is in compliance with all applicable federal,
state and local laws and regulation regarding the purchase, ownership and use of the
item. The buyer expressly agrees to indemnify and hold harmless XRAY for all claims
resulting directly or indirectly from the purchase, ownership or use of the product. By
the act of assembling or operating this product, the user accepts all resulting liability.
If the buyer is not prepared to accept this liability, then he/she should return this kit in
new, unassembled, and unused condition to the place of purchase.
IMPORTANT NOTES – GENERAL
• This product is not suitable for children under 16 years of age without the direct
supervision of a responsible and knowledgeable adult.
• Carefully read all manufacturers warnings and cautions for any parts used in the
construction and use of your model.
• Assemble this kit only in places away from the reach of very small children.
• First-time builders and users should seek advice from people who have building
experience in order to assemble the model correctly and to allow the model to reach
its performance potential.
• Exercise care when using tools and sharp instruments.
• Take care when building, as some parts may have sharp edges.
• Keep small parts out of reach of small children. Children must not be allowed to put
any parts in their mouth, or pull vinyl bag over their head.
• Read and follow instructions supplied with paints and/or cement, if used (not
included in kit).
• Immediately after using your model, do NOT touch equipment on the model such
as the motor and speed controller, because they generate high temperatures. You
may seriously burn yourself seriously touching them.
• Follow the operating instructions for the radio equipment at all times.
• Do not put fingers or any objects inside rotating and moving parts, as this may
cause damage or serious injury as your finger, hair, clothes, etc. may get caught.
• Be sure that your operating frequency is clear before turning on or running your
model, and never share the same frequency with somebody else at the same time.
Ensure that others are aware of the operating frequency you are using and when
you are using it.
• Use a transmitter designed for ground use with RC cars. Make sure that no one
else is using the same frequency as yours in your operating area. Using the same
frequency at the same time, whether it is driving, flying or sailing, can cause loss of
control of the RC model, resulting in a serious accident.
• Always turn on your transmitter before you turn on the receiver in the car. Always
turn off the receiver before turning your transmitter off.
To prevent any serious personal injury and/or damage to property, please be
responsible when operating all remote controlled models.
IMPORTANT NOTES – NITRO ENGINES
• Always test the brakes and the throttle before starting your engine to avoid losing
control of the model.
• Make sure the air filter is clean and oiled.
• Never run your engine without an air filter. Your engine can be seriously damaged
if dirt and debris get inside the engine.
2
• Keep the wheels of the model off the ground when checking the operation of the
radio equipment.
• Disconnect the battery pack before storing your model.
• When learning to operate your model, go to an area that has no obstacles that can
damage your model if your model suffers a collision.
• Remove any sand, mud, dirt, grass or water before putting your model away.
• If the model behaves strangely, immediately stop the model, check and clear the
problem.
• To prevent any serious personal injury and/or damage to property, be responsible
when operating all remote controlled models.
• The model car is not intended for use on public places and roads or areas where its
operation can conflict with or disrupt pedestrian or vehicular traffic.
• Because the model car is controlled by radio, it is subject to radio interference from
many sources that are beyond your control. Since radio interference can cause
momentary loss of control, always allow a safety margin in all directions around the
model in order to prevent collisions.
• Do not use your model:
- Near real cars, animals, or people that are unaware that an RC car is being
driven.
- In places where children and people gather
- In residential districts and parks
- In limited indoor spaces
- In wet conditions
- In the street
- In areas where loud noises can disturb others, such as hospitals and
residential areas.
- At night or anytime your line of sight to the model may be obstructed or
impaired in any way.
• For proper engine break-in, please refer to the manual that came with the engine.
• Do not run near open flames or smoke while running your model or while handling
fuel.
• Some parts will be hot after operation. Do not touch the exhaust or the engine until
they have cooled. These parts may reach 275°F during operation!
IMPORTANT NOTES – ELECTRICAL
• Insulate any exposed electrical wiring (using heat shrink tubing or electrical tape)
to prevent dangerous short circuits. Take maximum care in wiring, connecting
and insulating cables. Make sure cables are always connected securely. Check
connectors for if they become loose. And if so, reconnect them securely. Never use
R/C models with damaged wires. A damaged wire is extremely dangerous, and can
cause short-circuits resulting in fire. Please have wires repaired at your local hobby
shop.
• Low battery power will result in loss of control. Loss of control can occur due to a
weak battery in either the transmitter or the receiver. Weak running battery may also
result in an out of control car if your car‘s receiver power is supplied by the running
battery. Stop operation immediately if the car starts to slow down.
• When not using RC model, always disconnect and remove battery.
• Do not disassemble battery or cut battery cables. If the running battery short-circuits,
approximately 300W of electricity can be discharged, leading to fire or burns.
Never disassemble battery or cut battery cables.
• Use a recommended charger for the receiver and transmitter batteries and follow
•
•
•
•
•
•
the instructions correctly. Over-charging, incorrect charging, or using inferior
chargers can cause the batteries to become dangerously hot. Recharge battery when
necessary. Continual recharging may damage battery and, in the worst case, could
build up heat leading to fire. If battery becomes extremely hot during recharging,
please ask your local hobby shop for check and/or repair and/or replacement.
Regularly check the charger for potential hazards such as damage to the cable,
plug, casing or other defects. Ensure that any damage is rectified before using
the charger again. Modifying the charger may cause short-circuit or overcharging
leading to a serious accident. Therefore do not modify the charger.
Always unplug charger when recharging is finished.
Do not recharge battery while battery is still warm. After use, battery retains heat.
Wait until it cools down before charging.
Do not allow any metal part to short circuit the receiver batteries or other electrical/
electronic device on the model.
Immediately stop running if your RC model gets wet as may cause short circuit.
Please dispose of batteries responsibly. Never put batteries into fire.
IMPORTANT NOTES – NITRO FUEL
• Handle fuel only outdoors. Never handle nitro fuel indoors, or mix nitro fuel in a
place where ventilation is bad.
• Only use nitro fuel for R/C models. Do not use gasoline or kerosene in R/C models
as it may cause a fire or explosion, and ruin your engine.
• Nitro fuel is highly inflammable, explosive, and poisonous. Never use fuel indoors
or in places with open fires and sources of heat.
• Always keep the fuel container cap tightly shut.
• Always read the warning label on the fuel container for safety information.
• Nitro-powered model engines emit poisonous vapors and gasses. These vapors irritate
eyes and can be highly dangerous to your health. We recommend wearing rubber or vinyl
gloves to avoid direct contact with nitro fuel.
• Nitro fuel for RC model cars is made of the combination of the methyl alcohol,
castor or synthetic oil, nitro methane etc. The flammability and volatility of these
elements is very high, so be very careful during handling and storage of nitro fuel.
• Keep nitro fuel away from open flame, sources of heat, direct sunlight, high
temperatures, or near batteries.
• Store fuel in a cool, dry, dark, well-ventilated place, away from heating devices,
open flames, direct sunlight, or batteries. Keep nitro fuel away from children.
• Do not leave the fuel in the carburetor or fuel tank when the model is not in use.
There is danger that the fuel may leak out.
• Wipe up any spilled fuel with a cloth.
• Be aware of spilled or leaking fuel. Fuel leaks can cause fires or explosions.
• Do not dispose of fuel or empty fuel containers in a fire. There is danger of
explosion.
R/C & BUILDING TIPS
• Make sure all fasteners are properly tightened. Check them periodically.
• Make sure that chassis screws do not protrude from the chassis.
• For the best performance, it is very important that great care is taken to ensure the
free movement of all parts.
• Clean all ball-bearings so they move very easily and freely.
• Tap or pre-thread the plastic parts when threading screws.
• Self-tapping screws cut threads into the parts when being tightened. Do not use
excessive force when tightening the self-tapping screws because you may strip out
the thread in the plastic. We recommended you stop tightening a screw when you
feel some resistance.
• Ask your local hobby shop for any advice.
Please support your local hobby shop. We at XRAY Model Racing Cars support all local
hobby dealers. Therefore we ask you, if at all possible, to purchase XRAY products at
your hobby dealer and give them your support like we do. If you have difficulty finding
XRAY products, please check out www.teamxray.com to get advice, or contact us via
email at info@teamxray.com, or contact the XRAY distributor in your country.
WARRANTY
XRAY guarantees this model kit to be free from defects in both material and
workmanship within 30 days of purchase. The total monetary value under warranty
will in no case exceed the cost of the original kit purchased. This warranty does not
cover any components damaged by use or modification or as a result of wear. Part
or parts missing from this kit must be reported within 30 days of purchase. No part
or parts will be sent under warranty without proof of purchase. Should you find a
defective or missing part, contact the local distributor. Service and customer support
will be provided through local hobby store where you have purchased the kit,
therefore make sure to purchase any XRAY products at your local hobby store. This
model racing car is considered to be a high-performance racing vehicle. As such
this vehicle will be used in an extreme range of conditions and situations, all which
may cause premature wear or failure of any component. XRAY has no control over
usage of vehicles once they leave the dealer, therefore XRAY can only offer warranty
against all manufacturer‘s defects in materials, workmanship, and assembly at point
of sale and before use. No warranties are expressed or implied that cover damage
caused by what is considered normal use, or cover or imply how long any model cars‘
components or electronic components will last before requiring replacement.
Due to the high performance level of this model car you will need to periodically
maintain and replace consumable components. Any and all warranty coverage
will not cover replacement of any part or component damaged by neglect, abuse,
or improper or unreasonable use. This includes but is not limited to damage from
crashing, chemical and/or water damage, excessive moisture, improper or no
maintenance, or user modifications which compromise the integrity of components.
Warranty will not cover components that are considered consumable on RC vehicles.
XRAY does not pay nor refund shipping on any component sent to XRAY or its
distributors for warranty. XRAY reserves the right to make the final determination of
the warranty status of any component or part.
Limitations of Liability
XRAY makes no other warranties expressed or implied. XRAY shall not be liable for any
loss, injury or damages, whether direct, indirect, special, incidental, or consequential,
arising from the use, misuse, or abuse of this product and/or any product or accessory
required to operate this product. In no case shall XRAY‘s liability excess the monetary
value of this product.
Take adequate safety precautions prior to operating this model. You are
responsible for this model’s assembly and safe operation.
Disregard of the any of the above cautions may lead to accidents, personal
injury, or property damage. XRAY MODEL RACING CARS assumes no
responsibility for any injury, damage, or misuse of this product during
assembly or operation, nor any addictions that may arise from the use
of this product.
All rights reserved.
QUALITY CERTIFICATE
XRAY MODEL RACING CARS uses only the highest quality materials, the best
compounds for molded parts and the most sophisticated manufacturing processes of
TQM (Total Quality Management). We guarantee that all parts of a newly-purchased
kit are manufactured with the highest regard to quality. However, due to the many
factors inherent in model racecar competition, we cannot guarantee any parts once
you start racing the car. Products which have been worn out, abused, neglected or
improperly operated will not be covered under warranty.
We wish you enjoyment of this high-quality and high-performance RC car and wish
you best success on the track!
In line with our policy of continuous product development, the exact specifications of the kit may vary. In the unlikely event of any
problems with your new kit, you should contact the model shop where you purchased it, quoting the part number. We do reserve all
rights to change any specification without prior notice. All rights reserved.
3
SYMBOLS USED
Part bags used
Assemble in the
specified order
➊ ➋ ➌
Cut off shaded
portion
Use special
tool
Assemble left and
right sides the
same way
Assemble front
and rear the same
way
Pay attention
here
Apply instant
glue
2x
L=R
Cut off
remaining
material
Assemble as
many times
as specified
(here twice)
Time
Use cleaner
or WD-40®
CA
Apply grease
Apply
threadlock
Follow tip here
Follow Set-up
Book
OIL
Ensure smooth
non-binding
movement
Tighten screw
gently
Apply oil
Use pliers
SET-UP
BOOK
TOOLS REQUIRED
17mm Wheel Nut Tool
(HUDY #107570)
Phillips 5.0mm
(HUDY TOOLS)
Flywheel Tool
(HUDY #182015)
Special Tool for all turnbuckles,
nuts (HUDY #181090)
Cross Wrench
(HUDY #107581)
Allen 1.5 / 2.0 / 2.5 / 3.0mm
(HUDY TOOLS)
Ball Allen 2.5mm
(HUDY TOOLS)
Arm Reamer 3mm/4mm
(HUDY TOOLS)
Turnbuckle Wrench
(HUDY #181040 4mm)
(HUDY #181050 5mm)
Socket 5.0 / 5.5mm
(HUDY TOOLS)
Side Cutters
(HUDY #189010)
Pocket Hobby Knife
(HUDY #188981)
Needle Nose Pliers
(HUDY #189020)
Snap Ring Pliers
(HUDY #189040)
TOOLS & EQUIPMENT INCLUDED
Silicone Shock Oil
(HUDY #106336 350cSt 100ml)
(HUDY #106341 400cSt 100ml)
Silicone Diff Oil
(HUDY #106451 5000cSt 100ml)
(HUDY #106511 10000cSt 100ml)
(HUDY #106516 15000cSt 100ml)
Air Filter Oil
(HUDY #106240)
Body Reamer
(HUDY #107600)
or
(HUDY #107601)
Scissors
(HUDY #188990)
NOT INCLUDED
Graphite Grease
(HUDY #106210)
SET-UP
BOOK
To ensure that you always have access to the most up-to-date
version of the XRAY Set-up Book, XRAY will now be offering only
the digital online version at our website at www.teamxray.com.
By offering this online version instead of including a hardcopy
printed version in kits, you will always be assured of having the
most current updated version.
EQUIPMENT REQUIRED
Transmitter
Receiver
.21ci (3.5cc) Engine
Manifold
Steering and
Throttle Servos
Receiver Pack
4
Starter Box
(HUDY #104500)
Exhaust
Threadlock
CA Glue
Glow Plug Igniter
Battery Charger
Fuel +
Fuel Bottle
(HUDY #104200)
Lexan™ Paint
Battery Pack
Transmitter Batteries
XT8 TECH TIPS
TIP FRONT & REAR DIFF GEAR MESH ADJUSTMENT
If there is too much or too little diff side play, this may create non-optimal gear mesh between the diff gear and the pinion drive gear. This is easily resolved by inserting 1 or 2 of the included thin shims behind a diff
outdrive ball-bearing, depending on how much play there is.
THE LOCATION OF THE SHIM(S) DEPENDS ON WHETHER YOU ARE TRYING TO CLOSE OR OPEN THE GAP:
TO CLOSE A WIDE GAP
TO CLOSE A WIDE GAP
To CLOSE a wide gap:
add 1 or 2 shims against diff spur gear
insert shim(s) here
WASHER
#962131 S 13 x 16 x 0.1 mm (10)
#962130 S 13 x 16 x 0.2 mm (10)
TO OPEN A NARROW GAP
TO OPEN A NARROW GAP
To OPEN a narrow gap:
add 1 or 2 shims on the other side of the diff, away from spur gear
insert shim(s) here
SUSPENSION & DRIVETRAIN MAINTENANCE
• Check suspension for free movement during building and operation, and especially after running
and if you have crashed the car. If the suspension does not move freely, use the appropriate HUDY
Arm Reamer to clean and resize the holes of the suspension arms.
• Regularly check the drive shaft pins (both side and center) and if they show any wear must be
immediately replaced by new pins. If the car is run with worn pins, excessive wear on the diff
outdrives will result. The 106000 HUDY Drive Pin Replacement Tool (for 3mm Pins) is a compact,
rugged multi-use tool set for replacing 3mm drive pins in drive shafts. Use the HUDY replacement
drive shaft pins 3x14 (#106050).
• Regularly inspect and replace the connecting pins which connect the center drive shafts with the
pinion gear, and also the pins that connect the wheel drive shafts with wheel axles. Use HUDY
Graphite Grease to lubricate the drive shaft connecting joints and the diff gears.
• Pivot balls and ball-joints will naturally wear for some time and will generate play. If there is too
much play the pivot balls and ball joints need to be replaced.
• If the car is run in wet conditions, apply WD-40® on all drivetrain parts before the run. After the
run, clean and dry the parts again.
HUDY SPRING STEEL™
The HUDY Spring Steel™ used in the car is the strongest and most durable steel material on the RC market. While items made from HUDY Spring Steel™ are still subject to wear, the lifespan is considerably
longer than any other material. As parts made from HUDY Spring Steel™ wear, the brown color will after some time “go down” but it will not affect the strength of the material. The brown color is only a
surface treatment and if the brown color will wear the durability of the part will be still strong.
TIP DRIVE SHAFT PIN SERVICING
To enjoy the longest possible lifespan of the drive shafts and diff outdrives, it is extremely important to properly service the drive shaft pins.
Inspect the pins after every 3 hours of runtime. If the pins show any wear, replace them with new pins.
Do not use drive shafts
when the pins are worn.
Press out the worn pins.
Press in new pins and
regularly inspect for wear.
For easy drive pin replacements use #106000
HUDY Drive Pin Replacement Tool.
To replace the worn pins use only
premium HUDY drive pins #106050.
TIP INSTALLING PIVOT BALLS INTO COMPOSITE BALL-JOINTS
Place the pivot ball on the ball joint
and use a screw to tighten it to an
engine mount or some other part.
Tighten screw until pivot ball is tight
against block.
Lift ball joint until it snaps into place over The finished joint.
pivot ball. Ball joint should move freely.
Loosen and remove screw.
5
1. FRONT & REAR DIFFERENTIALS
355065
REAR
FRONT/REAR DIFF LARGE BEVEL GEAR
#355041
41T
OPTION
#355043
43T
INCLUDED
940816
964030
355064
FRONT
971060
355022
355091
355031
980261
355084
971060
903312
355031
964060
940816
355065
REAR
355043
#355101
ACTIVE FRONT DIFF
355064
FRONT
BAG
355022
355031
355043
355064
355065
355084
355091
2x
• High-performance adjustable front Active Differential™ for improved speed & handling
• Fully adjustable on- and off-power performance using different internal segments and gears
• Improved diff action and traction
• Easy and consistent steering
DIFFERENTIAL CASE - V2
STEEL DIFF BEVEL & SATELLITE GEARS - V2 (2+4)
FRONT/REAR DIFF LARGE BEVEL GEAR 43T - HUDY STEEL
FRONT DIFF OUTDRIVE ADAPTER LONG - V2 - HUDY SPRING STEEL™ (2)
REAR DIFF OUTDRIVE ADAPTER - V2 - HUDY SPRING STEEL™ (2)
F/R DIFF PIN (2)
F/R DIFF GASKET (4)
903312
940816
964030
964060
971060
980261
HEX SCREW SFH M3x12 (10)
HIGH-SPEED BALL-BEARING 8x16x5 BLUE COVERED (2)
WASHER S 3.5x12x0.2 (10)
WASHER S 6x18x0.2 (10)
SILICONE O-RING 6x1.5 (10)
PIN 2.5x11.5 (10)
F=R
➏
Graphite Grease
(HUDY #106210)
Use HUDY Ball-Bearing Grease
#106220 - STANDARD
#106221 - BLUE
#106222 - RED
940816
BB 8x16x5
➎
➊
➍
Graphite Grease
(HUDY #106210)
964060
IMPORTANT!
Use the same diff outdrives on both ends of a diff.
➋
S 6x18x0.2
➌
STEP ➎➏ DETAIL
REAR
971060
O 6x1.5
980261
P 2.5x11.5
SET-UP
BOOK
DIFFERENTIAL GEARS
6
DETAIL
Graphite Grease
(HUDY #106210)
FRONT
FRONT/REAR DIFF LARGE BEVEL GEAR
#355041
41T
OPTION
#355043
43T
INCLUDED
➎
➏
1. FRONT & REAR DIFFERENTIALS
2x
Graphite Grease
(HUDY #106210)
F=R
IMPORTANT!
Use the same diff outdrives on both ends of a diff.
REAR
➌
FRONT
940816
➋
BB 8x16x5
Graphite Grease
(HUDY #106210)
Graphite Grease
(HUDY #106210)
964060
➍
S 6x18x0.2
➊
➎
STEP ➎ DETAIL
DETAIL
Use HUDY Ball-Bearing Grease
#106220 - STANDARD
#106221 - BLUE
#106222 - RED
971060
O 6x1.5
➏
980261
P 2.5x11.5
VERY IMPORTANT!
Use the following silicone oils included in the kit for initial settings:
FRONT diff: 10 000cSt / REAR diff: 5 000cSt
INCORRECT
CORRECT
903312
SFH M3x12
IMPORTANT!
OIL
Do not overfill the differential.
If there is too much oil in the
differential, it may leak after
it cools down after use.
Fill the differentials
with oil just above the
satellite gears.
964030
S 3.5x12x0.2
To ensure you have the same amount of oil from rebuild to rebuild, do the following:
#107865 HUDY Ultimate Digital Pocket Scale 300g±0.01g
REAR
FRONT
SET-UP
BOOK
DIFFERENTIAL OIL
Rear
Fron diff 5 00
t diff
0c
10 00 St
0cSt
39.30g
40.10 g
1. Put the diff (without oil) on the scale and check the weight:
- REAR DIFF approx. 39.30g
- FRONT DIFF approx. 40.10g
OIL
42.00g
42.80g
2. Slowly pour oil into the diff and watch the weight.
Add 2.70g of oil into the diff. The approximate
weight of the diff+oil is REAR DIFF approx. 42.00g
and FRONT DIFF approx. 42.80g
REAR DIFF
39.30g + 2.70g = 42.00g
FRONT DIFF
40.10g + 2.70g = 42.80g
Tighten the screws equally
REAR
FRONT
OIL
Front diff:
Silicone oil 10 000cSt
Fill just above the
satellite gears.
OIL
Rear diff:
Silicone oil 5 000cSt
Fill just above the
satellite gears.
Finish tightening in this order
➊
➌
➍
➋
After assembly the differentials should
have a length of 32.3~32.5 mm
measured from the ends of the installed
ball-bearings. If differentials are
longer, retighten the 4 screws holding
the crown gears.
32.3~32.5 mm
7
1. CENTER DIFFERENTIAL
CENTER DIFF SPUR GEAR - LARGE
#355058
48T
OPTION
#355059
49T
OPTION
#354950
50T
INCLUDED
355072
964030
355031
940816
964060
355082
971060
355092
355023
355031
964060
355031
355031
971060
964030
940816
354950
903312
355072
BAG
354950
355023
355031
355072
355082
355092
980261
CENTER DIFF SPUR GEAR 50T - LARGE
CENTER DIFFERENTIAL CASE - V2
STEEL DIFF BEVEL & SATELLITE GEARS - V2 (2+4)
LARGE CENTER DIFF OUTDRIVE ADAPTER - HUDY STEEL (2)
CENTER DIFF PIN (2)
CENTER DIFF GASKET (2)
903312
940816
964030
964060
971060
980261
HEX SCREW SFH M3x12 (10)
HIGH-SPEED BALL-BEARING 8x16x5 BLUE COVERED (2)
WASHER S 3.5x12x0.2 (10)
WASHER S 6x18x0.2 (10)
SILICONE O-RING 6x1.5 (10)
PIN 2.5x11.5 (10)
➏
Graphite Grease
(HUDY #106210)
➍
➎
940816
BB 8x16x5
➊
Graphite Grease
(HUDY #106210)
➋
CENTER DIFF SPUR GEAR - LARGE
964060
S 6x18x0.2
➌
971060
O 6x1.5
Use HUDY Ball-Bearing Grease
#106220 - STANDARD
#106221 - BLUE
#106222 - RED
#355058
48T
OPTION
#355059
49T
OPTION
#354950
50T
INCLUDED
STEP ➎ ➏ DETAIL
DETAIL
980261
P 2.5x11.5
➎
SET-UP
BOOK
DIFFERENTIAL GEARS
8
➏
1. CENTER DIFFERENTIAL
➌
➋
Graphite Grease
(HUDY #106210)
940816
BB 8x16x5
➊
STEP ➎ DETAIL
Use HUDY Ball-Bearing Grease
#106220 - STANDARD
#106221 - BLUE
#106222 - RED
➍
964060
Graphite Grease
(HUDY #106210)
S 6x18x0.2
➏
971060
O 6x1.5
DETAIL
➎
980261
P 2.5x11.5
VERY IMPORTANT!
Use the following silicone oil included in the kit for initial setting:
Center diff: 15 000cSt
INCORRECT
CORRECT
903312
SFH M3x12
IMPORTANT!
OIL
Do not overfill the differential.
If there is too much oil in the
differential, it may leak after
it cools down after use.
Fill the differentials
with oil just above the
satellite gears.
964030
S 3.5x12x0.2
To ensure you have the same amount of oil from rebuild to rebuild, do the following:
#107865 HUDY Ultimate Digital Pocket Scale 300g±0.01g
Cen
ter
diff
15 0
00cS
t
42.97g
SET-UP
BOOK
DIFFERENTIAL OIL
48.30g
1. Put the diff (without oil) on the scale and
check the weight (approximately 42.97g).
OIL
2. Slowly pour oil into the diff and watch the
weight. Add 5.33g of oil into the diff. The
approximate weight of the diff+oil is 48.30g.
CENTER DIFF 42.97g + 5.33g = 48.30g
Tighten the screws equally
OIL
Center diff:
Silicone oil 15 000cSt
Fill to just above the satellite gears.
Finish tightening in this order
➊
➌
➍
➋
After assembly the differential
should have a length of 32.3~32.5
mm measured from the ends of
the installed ball-bearings. If
differential is longer, retighten the
4 screws holding the spur gear.
32.3~32.5 mm
9
2. FRONT TRANSMISSION
355427
SHORT
355472
980314
901404
355471
355416
352006
351308
355236
355108
940816
901310
902310
940816
908312
#355426
FRONT UNIVERSAL CENTRAL DRIVE SHAFT - HUDY SPRING STEEL™ - SET
FRONT DIFF
908312
352006
352069
BAG
351308
352006
352069
355108
355236
355416
355427
355471
BODY POSTS - V2
DIFF BULKHEAD BLOCK SET FRONT/REAR
XT8 ALU FRONT SHOCK TOWER - CNC MACHINED 7075 T6 (4MM)
BEVEL DRIVE GEAR 10T
CVD DRIVE SHAFT COUPLING - HUDY SPRING STEEL™
CENTRAL CVD SHAFT UNIVERSAL JOINT - HUDY SPRING STEEL™
FRONT CENTRAL CVD DRIVE SHAFT - HUDY SPRING STEEL™
DRIVE SHAFT LOCKING RING (2)
step 1
SHORT CVD DRIVE SHAFT
901404
➎
355472
DRIVE SHAFT BOOT (2)
901310
901404
902310
908312
940816
980314
HEX SCREW SB M3x10 (10)
HEX SCREW SB M4x4 (10)
HEX SCREW SH M3x10 (10)
HEX SCREW SOCKET HEAD CAP M3x12 (10)
HIGH-SPEED BALL-BEARING 8x16x5 RUBBER SEALED (2)
PIN 3x14 (10)
step 2
Push joint against gear to remove gap.
Tighten setscrew onto gear flat spot.
SB M4x4
OIL
901310
SB M3x10
902310
SH M3x10
➋
➊
Graphite Grease
(HUDY #106210)
➍
The ring can be assembled by hand,
but for easy disassembly we recommend
using snap ring pliers (HUDY #189040)
STEP ➍ DETAIL
➎
DETAIL
➌
Apply oil from inside to prevent
breakage of the rubber boot.
➌
➎
NOTE
ORIENTATION
4x4mm
STEP ➎ DETAIL
➊
DETAIL
➋
908312
SCH M3x12
➍
PIN
Use HUDY Ball-Bearing Grease
#106220 - STANDARD
#106221 - BLUE
#106222 - RED
BEFORE inserting the clip on the central CVD shaft joint, apply a small amount of
threadlock on the area where the clip goes.
AFTER inserting the clip on the central CVD shaft joint, turn the clip so that the slot is
90°from the pin. This will prevent the pin from opening the clip.
940816
step 3
DETAIL
step 4
3.5mm
Cut on both front and
rear bulkhead blocks
BB 8x16x5
3x10mm
980314
P 3x14
FRONT DIFF 10 000 cSt
Graphite Grease
(HUDY #106210)
10
NOTE
ORIENTATION
2. REAR TRANSMISSION
355472
355683
LONG
355471
980314
901404
355416
352006
353069
355236
351330
355108
940816
902310
940816
908312
REAR DIFF
352006
BAG
351330
352006
353069
355108
355236
355416
355683
355471
COMPOSITE REAR BODY POST - LONG
DIFF BULKHEAD BLOCK SET FRONT/REAR
XT8 ALU REAR SHOCK TOWER - CNC MACHINED 7075 T6 (4MM)
BEVEL DRIVE GEAR 10T
CVD DRIVE SHAFT COUPLING - HUDY SPRING STEEL™
CENTRAL CVD SHAFT UNIVERSAL JOINT - HUDY SPRING STEEL™
XT8 CVD CENTRAL DRIVE SHAFT REAR - HUDY SPRING STEEL™
DRIVE SHAFT LOCKING RING (2)
901404
SB M4x4
➎
SH M3x10
901404
902310
908312
940816
980314
HEX SCREW SB M4x4 (10)
HEX SCREW SH M3x10 (10)
HEX SCREW SOCKET HEAD CAP M3x12 (10)
HIGH-SPEED BALL-BEARING 8x16x5 RUBBER SEALED (2)
PIN 3x14 (10)
step 2
Push joint against gear to remove gap.
Tighten setscrew onto gear flat spot.
Follow the TECH TIP on page 5
for drive shaft pin servicing.
DETAIL
➋
Apply oil from inside to prevent
breakage of the rubber boot.
➎
➊
Graphite Grease
(HUDY #106210)
➍
The ring can be assembled by hand,
but for easy disassembly we recommend
using snap ring pliers (HUDY #189040)
STEP ➍ DETAIL
908312
DRIVE SHAFT BOOT (2)
➌
OIL
902310
355472
step 1
LONG CVD DRIVE SHAFT
908312
➌
NOTE
ORIENTATION
STEP ➎ DETAIL
➎
➊
DETAIL
SCH M3x12
➋
➍
PIN
BEFORE inserting the clip on the central CVD shaft joint, apply a small amount of
threadlock on the area where the clip goes.
940816
AFTER inserting the clip on the central CVD shaft joint, turn the clip so that the slot is
90°from the pin. This will prevent the pin from opening the clip.
980314
step 3
BB 8x16x5
P 3x14
DETAIL
Cut on both front and
rear bulkhead blocks
Use HUDY Ball-Bearing Grease
#106220 - STANDARD
#106221 - BLUE
#106222 - RED
step 4
NOTE ORIENTATION
REAR DIFF 5 000 cSt
Graphite Grease
(HUDY #106210)
11
3. REAR SUSPENSION
901305
903308
352006
353428
901303
333450
901312
909395
352470
353119
352460
352470
353325
352314
353371
901408
902318
357212
353119
352314
353317
909372
REAR ANTI-ROLL BARS
#902407
HEX SCREW SH M4x7 WITH HEX FROM BOTTOM (4)
#333451
ALU ANTI-ROLL BAR PIVOT BALL 5.8 MM
- SWISS 7075 T6 - HARDCOATED (2)
BAG
12
333450
352006
352314
352460
352470
353119
353317
353325
353371
353428
357212
ANTI-ROLL BAR BALL JOINT 5.8 MM (2)
DIFF BULKHEAD BLOCK SET FRONT/REAR
COMPOSITE ECCENTRIC BUSHINGS - V2 (2)
PIVOT BALL 5.8 (10)
BALL JOINT 5.8 (8)
COMPOSITE REAR LOWER SUSPENSION ARM
ALU REAR LOWER SUSP. HOLDER - FRONT - SQUARE ADJ. ROLL CENTER
ALU REAR LOWER SUSP. HOLDER - REAR - SQUARE ADJ. ROLL CENTER
SET OF COMPOSITE LOWER ARM SHIMS
REAR ANTI-ROLL BAR 2.8MM
LOWER INNER PIVOT PIN F+R (2)
901303
901305
901312
901408
902318
903308
909372
909395
#353418 ø1.8mm
OPTION
#353420 ø2.0mm
OPTION
#353422 ø2.2mm
OPTION
#353424 ø2.4mm
OPTION
#353425 ø2.5mm
OPTION
#353426 ø2.6mm
OPTION
#353428 ø2.8mm
INCLUDED
#353430 ø3.0mm
OPTION
HEX SCREW SB M3x3 (10)
HEX SCREW SB M3x5 (10)
HEX SCREW SB M3x12 (10)
HEX SCREW SB M4x8 (10)
HEX SCREW SH M3x18 (10)
HEX SCREW SFH M3x8 (10))
SCREW PHILLIPS SS 3.5x22 (10)
SCREW PHILLIPS SS 3.5x45 (10)
3. REAR SUSPENSION
REAR ARM ORIENTATION
Push the arm from both sides to create play
DETAIL
DETAIL
DETAIL
353371
SHIM 4x10x2
Check for free movement
901408
SB M4x8
3.5x45mm
➍
➌
RR
909372
➊
RR
SS 3.5x22
1°
NOTE
ORIENTATION
➎
0.5°
2mm
INITIAL SETTING
4x8mm
NOTE
ORIENTATION
➋
➌
RF
➊
3.5x22mm
DOWNSTOP SETTING
DETAIL
909395
If the suspension arm does not move
freely use a HUDY Arm Reamer to
resize the holes of the arms.
(HUDY #107634)
3.3mm
SS 3.5x45
ARM REAMER
2.0mm Allen
#902407
RF
0.5°
1°
INITIAL SETTING
DETAIL
All possible mounting
alternatives of eccentric bushings
Downstop screw
for fine tuning.
SET-UP
BOOK
➍
ECCENTRIC BUSHINGS HAVE TWO DIFFERENT OFFSETS FROM THE CENTER.
TOE-IN
ANTI-SQUAT
ROLL CENTER DOWNSTOP
WHEELBASE
TRACK-WIDTH
Middle position = 0.5 mm or 0.5° from center
Outer position = 1mm or 1° from center
The XRAY rear alu lower suspension holders provide even greater range of adjustment for the rear suspension. Using different combinations of eccentric bushings, fine adjustment of rear anti-squat, rear
toe-in, rear roll center, and rear track-width can be obtained. For more information about the influence of rear anti-squat, rear toe-in, rear roll center and rear track-width on car handling, please refer to
HUDY Off-Road Set-up Book (#209099).
RR
ANTI-SQUAT
RF
(°)
RR
ROLL CENTER
RF
(mm)
RR
TRACK-WIDTH
RF
(mm)
RR
TOE-IN
RF
(°)
=3°
=0mm
=308
=3°
=4°
=1mm
=306
=4°
=2°
=-1mm
=310
=2°
The tables describe the amounts of rear anti-squat, rear toe-in, rear track-width change depending
on the combinations of eccentric bushings used with 0 and 1mm, 1° offset. The 0.5mm, 0.5° represents
the half change.
Anti-Squat Example:
0(RR) - 0 (RF) = 3°
= 3°
=2°
=4°
=3°
=5°
=2°
=3°
=1°
=3°
=1°
=4°
0(RR) - 0.5 (RF) = 3.5°
= 3.5°
=5°
0(RR) - 1 (RF) = 4°
= 4°
=3°
13
3. REAR SUSPENSION
2x
L=R
DETAIL
1.5mm
6mm
901312
SB M3x12
Follow the TECH TIP on page 5 to install the pivot balls
L=R
901303
SB M3x3
STEP ➍ DETAIL
-2~0mm
901305
SB M3x5
DETAIL
3x3mm ➌
902318
SH M3x18
3x18mm
➋
903308
SFH M3x8
➊
3x5mm
3x8mm
SET-UP
BOOK
ANTI-ROLL BAR
REAR ANTI-ROLL BARS
#353418 ø1.8mm
OPTION
#353420 ø2.0mm
OPTION
#353422 ø2.2mm
OPTION
#353424 ø2.4mm
OPTION
#353425 ø2.5mm
OPTION
#353426 ø2.6mm
OPTION
#353428 ø2.8mm
INCLUDED
#353430 ø3.0mm
OPTION
DETAIL
DETAIL
Step ➊
Step ➊ check for free movement
14
Loosen the 3x5 setscrew if the
anti-roll bar does not turn freely
4. REAR SUSPENSION
902314
353521
353521
353559
903312
353020
902322
353160
960030
908325
960030
902318
353530
353130
902322
352638
353170
960030
353151
355282
353350 RIGHT
353360 LEFT
355292
940816
355255
960030
901504
940814
357332
353350
353360
960030
BAG
352638
353020
353130
353151
353160
353170
353350
353360
353521
353530
353559
355282
355255
2x
ADJ. TURNBUCKLE M5 L/R 91 MM - HUDY SPRING STEEL™ (2)
COMPOSITE REAR BRACE HOLDER
REAR UPPER INNER CAMBER LINK BALL JOINT (2)
RELIEF REAR UPPER OUTER CAMBER LINK BALL JOINT (2)
MOUNTING BALL 6.8 (4)
PIVOT BALL 6.8 (4)
COMPOSITE REAR UPRIGHT - RIGHT
COMPOSITE REAR UPRIGHT - LEFT
REAR WING POSTS
COMPOSITE ADJ. SHIM FOR REAR WING PLATE (2)
COMPOSITE REAR WING MOUNT BRACE (2)
XT8 UNIVERSAL DRIVE SHAFT - HUDY SPRING STEEL™
ALU WHEEL AXLE OFFSET "+5MM" - HARDCOATED (2)
NOTE
ORIENTATION
➍
#355251
0mm
OPTION
#355251
+1mm
OPTION
#355252
+2mm
OPTION
#355255
+5mm
INCLUDED
To tighten the setscrew you can also use the
HUDY 17mm Wheel Nut Tool #107570
➋
➌
P 3x17
HEX SCREW SB M5x4 (10)
HEX SCREW SH M3x14 (10)
HEX SCREW SH M3x18 (10)
HEX SCREW SH M3x22 (10)
HEX SCREW SH M3x12 (10)
HEX SCREW SOCKET HEAD CAP M3x25 (10)
HIGH-SPEED BALL-BEARING 8x14x4 BLUE COVERED (2)
HIGH-SPEED BALL-BEARING 8x16x5 BLUE COVERED (2)
NUT M3 (10)
➊
NOTE
ORIENTATION
➎
SB M5x4
901504
902314
902318
902322
903312
908325
940814
940816
960030
OFFSET WHEEL AXLES
940816
901504 355292
PIN WITH FLAT SPOT 3x16.8 (2)
REAR LOWER OUTER PIVOT PIN (2)
L=R
NOTE ORIENTATION
BB 8x16x5
355292
357332
Use HUDY Ball-Bearing Grease
#106220 - STANDARD
#106221 - BLUE
#106222 - RED
m
2.5m
➏
DETAIL
DETAIL
15
4. REAR SUSPENSION
2x
353350
353360
Ensure that the rear upright moves freely.
If it does not move freely, use sandpaper
to thin both wheelbase adjustment shims.
L=R
SHIM 3x8x2
DETAIL
Shims for wheelbase
adjustment
960030
N M3
2mm
INITIAL SETTING
L=R
2mm
Check for free
movement
DETAIL
DETAIL
ARM REAMER
If the rear upright does not move
freely, use a HUDY Arm Reamer to
resize the hole. (HUDY #107633)
Do not overtighten the
self-locking nut. Overtightening
may result in suspension binding.
2x
L=R
INITIAL SETTING
L=R
Follow the TECH TIP on page 5
to install the pivot balls
Follow the TECH TIP on page 5
to install the pivot balls
RIGHT
THREAD
LEFT
THREAD
LEFT
THREAD
RIGHT
THREAD
Use tools to
tighten as shown
DETAIL
Special Tool for all
turnbuckles, nuts
(HUDY #108090)
Right thread
SET-UP
BOOK
Left thread
57.8mm
CAMBER
2x
Left thread
Right thread
57.8mm
L=R
DETAIL
INITIAL SETTING
NOTE
ORIENTATION
902318
SH M3x18
3x18mm
902322
SH M3x22
INITIAL SETTING
960030
N M3
3x22mm
16
L=R
DETAIL
4. REAR SUSPENSION
903312
SFH M3x12
2x
L=R
For stiffer wing mounting use
#353550 ALU WING MOUNT BRACE
902314
SH M3x14
960030
N M3
SET-UP
BOOK
REAR WING
L=R
R4 R3
F4 F3
R2 R1
F2 F1
INITIAL SETTING
DETAIL
902322
SH M3x22
908325
SCH M3x25
17
5. FRONT SUSPENSION
#902407
HEX SCREW SH M4x7 WITH HEX FROM BOTTOM (4)
909372
352324
352314
352129
357212
901408
352314
902318
353371
352323
909395
352494
352119
901303
352006
333450
901305
352470
901312
35246˝0
903308
FRONT ANTI-ROLL BARS
352470
#333451
ALU ANTI-ROLL BAR PIVOT BALL 5.8 MM - SWISS 7075 T6 - HARDCOATED (2)
BAG
18
333450
352006
352119
352129
352323
352324
352314
352460
352470
352494
353371
ANTI-ROLL BAR BALL JOINT 5.8 MM (2)
DIFF BULKHEAD BLOCK SET FRONT/REAR
XT8 COMPOSITE FRONT LOWER SUSPENSION ARM RIGHT
XT8 COMPOSITE FRONT LOWER SUSPENSION ARM LEFT
ALU FRONT LOWER SUSP. HOLDER - FRONT - SQUARE ADJ. ROLL CENTER - V2
ALU FRONT LOWER SUSP. HOLDER - REAR - SQUARE ADJ. ROLL CENTER - V2
COMPOSITE SQUARE ADJ. ROLL CENTER BUSHINGS - V2 (2)
PIVOT BALL 5.8 (10)
BALL JOINT 5.8 (8)
FRONT ANTI-ROLL BAR 2.4MM
SET OF COMPOSITE LOWER ARM SHIMS
#352487 1.6mm
OPTION
#352489 1.8mm
OPTION
#352490 2.0mm
OPTION
#352492 2.2mm
OPTION
#352493 2.3mm
OPTION
#352494 2.4mm
INCLUDED
#352495 2.5mm
OPTION
#352496 2.6mm
OPTION
357212
LOWER INNER PIVOT PIN F+R (2)
901303
901305
901312
901408
902318
903308
909372
909395
HEX SCREW SB M3x3 (10)
HEX SCREW SB M3x5 (10)
HEX SCREW SB M3x12 (10)
HEX SCREW SB M4x8 (10)
HEX SCREW SH M3x18 (10)
HEX SCREW SFH M3x8 (10))
SCREW PHILLIPS SS 3.5x22 (10)
SCREW PHILLIPS SS 3.5x45 (10)
5. FRONT SUSPENSION
353371
SHIM 4x10x2
➍
3.5x22mm
FR
901408
➌
SB M4x8
➊
➋
4x8mm
FR
➎
0.5°
1°
INITIAL SETTING
FF
2mm
909372
SS 3.5x22
➌
➊
➍
3.5x45mm
FF
1°
0.5°
INITIAL SETTING
DOWNSTOP SETTING
DETAIL
All possible mounting alternatives
of eccentric bushings
DETAIL
1.3mm
If the suspension arms do not
move freely, use a HUDY Arm
Reamer to resize the holes.
(HUDY #107634)
2.0mm Allen
#902407
909395
SS 3.5x45
Downstop screw
for fine tuning.
ARM REAMER
FRONT ARM
DETAIL
DETAIL
DETAIL
SET-UP
BOOK
KICK UP
ROLL CENTER DOWNSTOP
WHEELBASE
TRACK-WIDTH
Push the arm from both sides to create play
Check for free movement
The new XRAY alu front lower suspension holders provide even greater range of adjustment for the front suspension. Using different combinations of eccentric bushings, you can obtain fine adjustment of front kick-up
and roll center. For more information about the influence of kick-up and roll centers on car handling, please refer to HUDY Off-Road Set-up Book (#209099).
FF
KICK-UP
FR
FF
(°)
ROLL-CENTER
FR
=6°
=1
=5°
=0
=4°
=6°
=7°
KICK-UP
C-Hub Caster
16°
=-1
=7°
=5°
TOTAL CASTER =
C-HUB CASTER + CASTER ECCENTRIC BUSHING + KICK-UP
(mm)
The tables below describe the amounts of kick-up, change depending on the combinations of
eccentric bushings used with 0 and 1mm, 1° off set. The 0.5mm, 0.5° represent the half change.
4°
5°
6°
7°
8°
20°
21°
22°
23°
24°
15°
19°
20°
21°
22°
23°
14°
18°
19°
20°
21°
22°
Example:
0(FF) - 0(FR) = 6°
=6°
0.5(FF) - 0(FR) = 6.5°
=8°
1(FF) - 0(FR) = 7°
Total caster is the angle that the C-hub is to the flat chassis bottom.
Caster is affected not only by front kick up but also by the C-hub
= 6.5° caster and caster eccentric bushing. The combination of all three
represents the total caster angle. The XT8 includes a 15°caster
= 7° block with the centric bushing. 1 and 2mm eccentric bushings can
be purchased as options.
= 6°
19
5. FRONT SUSPENSION
2x
L=R
1.5mm
6mm
901312
SB M3x12
Follow the TECH TIP on page 5 to
install the pivot balls
L=R
901303
STEP ➍ DETAIL
-2~0mm
SB M3x3
901305
SB M3x5
DETAIL
3x3mm
➍
902318
SH M3x18
➋
3x18mm
➌
903308
SFH M3x8
3x5mm
➊
3x8mm
DETAIL
Step ➊
Loosen the 3x5 setscrew if
the anti-roll bar does not
turn freely
FRONT ANTI-ROLL BARS
SET-UP
BOOK
ANTI-ROLL BAR
20
#352487 1.6mm
OPTION
#352489 1.8mm
OPTION
#352490 2.0mm
OPTION
#352492 2.2mm
OPTION
#352493 2.3mm
OPTION
#352494 2.4mm
INCLUDED
#352495 2.5mm
OPTION
#352496 2.6mm
OPTION
DETAIL
Step ➊ check for free movement
6. FRONT SUSPENSION
960030
ECCENTRIC BUSHINGS
#352170 0° - STEEL
INCLUDED
#352171 1° - STEEL
OPTION
#352179 0° - COMPOSITE OPTION
352150
353160
353130
353170
902412
902318
352628
960030
902322
352180
352297
352210 RIGHT
352220 LEFT
352250 RIGHT
352260 LEFT
352170
355282
355292
902416
357230
940816
902305
OFFSET WHEEL AXLES
940816
901504
BAG
352150
352170
352180
352210
352220
352250
352260
352297
352628
353130
353160
353170
355255
352297
355255
FRONT UPPER ARM BALL JOINT (2)
STEEL ECCENTRIC BUSHING 0° (2)
BALL MOUNT (2)
COMPOSITE C-HUB RIGHT
COMPOSITE C-HUB LEFT
STEERING BLOCK RIGHT - V2 (HAND MODIFIED)
STEERING BLOCK LEFT - V2 (HAND MODIFIED)
STEEL STEERING BUSHING - LONG (2+2)
XT8 ADJ. TURNBUCKLE M5 L/R 75 MM - SPRING STEEL (2)
REAR UPPER INNER CAMBER LINK BALL JOINT (2)
MOUNTING BALL 6.8 (4)
PIVOT BALL 6.8 (4)
ALU WHEEL AXLE OFFSET "+5MM" - HARDCOATED (2) - LIGHTWEIGHT
#355251
0mm
OPTION
#355251
+1mm
OPTION
#355252
+2mm
OPTION
#355255
+5mm
INCLUDED
355282
355292
357230
XT8 UNIVERSAL DRIVE SHAFT - HUDY SPRING STEEL™
PIN WITH FLAT SPOT 3x16.8 (2)
FRONT LOWER OUTER PIVOT PIN (2)
901504
902305
902318
902322
902412
902416
940816
960030
HEX SCREW SB M5x4 (10)
HEX SCREW SH M3x5 (10)
HEX SCREW SH M3x18 (10)
HEX SCREW SH M3x22 (10)
HEX SCREW SH M4x12 (10)
HEX SCREW SH M4x16 (10)
HIGH-SPEED BALL-BEARING 8x16x5 BLUE COVERED (2)
NUT M3 (10)
Follow the TECH TIP on page 5
for drive shaft pin servicing
NOTE ORIENTATION
Use HUDY Ball-Bearing
Grease for servicing:
355292
#106220 - Standard
#106221 - Extra
#106222 - Premium
P 3x17
4x12mm
➌
901504
SB M5x4
Marked “R“
NOTE
ORIENTATION
➋
OIL
2x
L=R
Marked “R“
➊
SHORT
2x
L=R
902412 902416
SH M4x12
SH M4x16
NOTE
ORIENTATION
To tighten the setscrew you
can also use the HUDY 17mm
Wheel Nut Tool #107570
➌
➊
940816
BB 8x16x5
LONG
4x16mm
m
DETAIL
2.5m
21
6. FRONT SUSPENSION
2x
L=R
902305
SH M3x5
➋
STEP ➊ DETAIL
DETAIL
2.5
➊
mm
Press pivot ball into
arm until it snaps into place
➌
ECCENTRIC BUSHINGS
#352170 0° - STEEL
INCLUDED
#352171 1° - STEEL
OPTION
#352179 0° - COMPOSITE
OPTION
RIGHT
THREAD
Use tools to tighten as shown
Right thread
➎
➍
The caster bushing influences the total
caster of the car. Please see page 19.
DETAIL
LEFT
THREAD
LEFT
THREAD
Follow the TECH TIP on page
5 to install the pivot balls
Follow the TECH TIP on page
5 to install the pivot balls
51.2mm
Left thread
RIGHT
THREAD
Left thread
51.2mm
Right thread
CAMBER
2x
L=R
3x18mm
902318
SH M3x18
902322
3x22mm
SH M3x22
960030
N M3
DETAIL
INITIAL SETTING
SET-UP
BOOK
ROLL CENTER
22
L=R
6. FRONT & REAR ASSEMBLY
960030
960040
902340
351200
353084
351280
353083
960040
351200
903412
351123
903414
#353280 (Medium)
#353281 (Short)
GRAPHITE BRACE FOR REAR COMPOSITE BRACE - SET
903412
960030
353280
or 353281
903410
902312
353280
or 353281
903412
BAG
351123
351200
351280
353083
353084
902340
903410
903412
903414
960030
960040
XT8 ALU CHASSIS - HARDCOATED SWISS 7075 T6 (3MM)
FRONT & REAR BUMPER - V2
XT8 GRAPHITE CHASSIS STIFFENER
COMPOSITE REAR BRACE - SHORT
COMPOSITE REAR BRACE - MEDIUM
HEX SCREW SH M3x40 (10)
HEX SCREW SFH M4x10 (10)
HEX SCREW SFH M4x12 (10)
HEX SCREW SFH M4x14 (10)
NUT M3 (10)
NUT M4 (10)
903410
SFH M4x10
903412
SFH M4x12
4x12mm
960040
N M4
4x10mm
23
6. FRONT & REAR ASSEMBLY
M3
902340
SH M3x40
M4
903412
SFH M4x12
903414
SFH M4x14
#353280 (Medium)
#353281 (Short)
GRAPHITE BRACE FOR REAR COMPOSITE BRACE - SET
960030
N M3
4x14mm
960040
N M4
960030
4x12mm
353280
or 353281
902312
353280
or 353281
903412
SFH M4x12
DETAIL
24
7. STEERING
903312
940610
352505
902312
903310
352515
351344
352515
352084
960030
352576
352659
902316
352580
902308
352666
960030
960040
903412
352619
303128-K
352664 352664
352515
352653 352653
352619
352659
352505
352505
352666
960030
940610
970121
352505
#351348
GRAPHITE UPPER PLATE
903410
NOTE
Must be used also 2pcs of #303136 shim 3x7x1mm.
BAG
303128-K
351344
352084
352505
352515
352576
352580
352619
352653
352659
352664
352666
ALU SHIM 3x6x6.0MM - BLACK (10)
COMPOSITE UPPER PLATE
COMPOSITE FRONT BRACE
SERVO SAVER COMPLETE SET - GRAPHITE
XT8 COMPOSITE SERVO SAVER - GRAPHITE
STEERING PLATE BUSHING (2)
XT8 ALU STEERING PLATE - SWISS 7075 T6
ADJ. TURNBUCKLE M4 L/R 91 MM - HUDY SPRING STEEL™ (2)
BALL STUD 6.8MM WITH BACKSTOP - M3 (2)
BALL STUD 6.8MM WITH BACKSTOP L=6MM - M3x11 (2)
COMPOSITE STEERING BALL JOINT 6.8MM - V3 (2)
COMPOSITE RELIEF STEERING BALL JOINT 6.8MM (2)
902308
902312
902316
903310
903312
903410
903412
940610
960030
960040
970121
HEX SCREW SH M3x8 (10)
HEX SCREW SH M3x12 (10)
HEX SCREW SH M3x16 (10)
HEX SCREW SFH M3x10 (10)
HEX SCREW SFH M3x12 (10)
HEX SCREW SFH M4x10 (10)
HEX SCREW SFH M4x12 (10)
HIGH-SPEED BALL-BEARING 6x10x3 BLUE COVERED (2)
NUT M3 (10)
NUT M4 (10)
O-RING 12.1 x 1.6 (10)
25
7. STEERING
970121
DETAIL
O 12.1x1.6
INITIAL PRELOAD SETTING
4~5mm
DETAIL
SET-UP
BOOK
SERVO SAVER
902308
3.0mm
SH M3x8
For servicing use
Bearing Oil (HUDY #106230)
940610
BB 6x10x3
26
HUDY Tool Allen 3.0mm
7. STEERING
903410
SFH M4x10
3x12mm
DO NOT OVERTIGHTEN SCREWS
3x10mm
3x12mm
DETAIL
3x12mm
3x10mm
902312
SH M3x12
903310
SFH M3x10
M3
Check for free
movement
M4
DETAIL
After the top deck assembly check for free movement of steering system.
903312
SFH M3x12
NOTE
ORIENTATION
903412
SFH M4x12
960030
N M3
4x12mm
960040
N M4
27
7. STEERING
Follow the TECH TIP on page 5
to install the pivot balls
Follow the TECH TIP on page 5
to install the pivot balls
Right thread
Left thread
Left thread
Right thread
HOLD
HOLD
70.2mm
Right thread
2x
Left thread
DETAIL
Left thread
70.2mm
Right thread
NOTE ORIENTATION
Adjustment block towards outside
L=R
303128-K
SHIM 3x6x6
902316
SH M3x16
NOTE ORIENTATION
Adjustment block towards outside
960030
N M3
6mm
SET-UP
BOOK
ACKERMANN
BUMP STEER
TOE-IN
28
INITIAL POSITION
Check for free
movement
Check for free
movement
8. CENTER DIFF & BRAKE
#354112
LIGHTWEIGHT VENTILATED BRAKE DISK - LASER
CUT - PRECISION-GROUND (2)
902330
354073
901304
903308
354080
354057
354040
354130
354073
354080
902316
354040
354121
354011
354011
354130
354121
902316
354110
354110
CENTER DIFF
#354132
BRAKE PAD “SLS” (4)
354011
354011
903308
#354131
GLUED BRAKE PAD SET-ULTRA EFFICIENT (4)
354033
903414
354033
For improved brake efficiency and increased lifespan
use the OPTIONAL brake bads with springs.
BAG
354011
354033
354040
354057
354073
354080
354110
354121
CENTER DIFF MOUNTING PLATE - HIGHER - SET
COMPOSITE 2-SPEED HOLDER PLATE (2)
BRAKE CAM POST & ROD (2+2)
XT8 GRAPHITE CENTER DIFF MOUNTING PLATE
BRAKE CAME ROD (1+1)
COMPOSITE BUSHING FOR DIFF MOUNTING PLATE (2)
VENTILATED BRAKE DISK - LASER CUT - PRECISION-GROUND
STEEL BRAKE PAD - LASER CUT (4)
354130
BRAKE PAD FIBER (4)
901304
902316
902330
903308
903414
HEX SCREW
HEX SCREW
HEX SCREW
HEX SCREW
HEX SCREW
SB M3x4 (10)
SH M3x16 (10)
SH M3x30 (10)
SFH M3x8 (10)
SFH M4x14 (10)
29
8. CENTER DIFF & BRAKE
STEEL
2x
FIBRE
FIBRE
2x
STEEL
OVAL HOLE
CA
NOTE
ORIENTATION
CA
ROUND HOLE
Roughen steel plates with
sandpaper before gluing fibre pads
2x
F=R
ROUND HOLE
NOTE ORIENTATION
902316
SH M3x16
#354132
BRAKE PAD “SLS” (4)
OVAL HOLE
NOTE ORIENTATION
DETAIL
Fibre pads
together
#354131
GLUED BRAKE PAD SET-ULTRA EFFICIENT (4)
Temporarily insert brake
disk between pads to set
correct gap
0.5 mm
STRAIGHT
For improved brake efficiency and increased lifespan
use the OPTIONAL brake bads with springs.
1mm
DETAIL
901304
STRAIGHT
SB M3x4
BENT
903308
SFH M3x8
BENT
30
1mm
8. CENTER DIFF & BRAKE
NOTE ORIENTATION
OF ALL PARTS
All screws
Before inserting 3x30 long screws,
loosen the four flat-head screws in
the upper plate by 1/2 turn (CCW).
Tighten all screws after assembly.
903308
SFH M3x8
DETAIL
902330
SH M3x30
Insert brake disk
between brake pads
#354112
LIGHTWEIGHT VENTILATED BRAKE DISK
- LASER CUT - PRECISION-GROUND (2)
NOTE ORIENTATION
903414
SFH M4x14
Must be used 2mm shims
(2x 1mm steel shims or
1x 2mm composite shim).
31
9. FUEL TANK & ENGINE
#353250
GRAPHITE BRACE FOR CHASSIS SIDE GUARDS - SET
908312
Manifold
(NOT INCLUDED)
Exhaust Seal Ring
(NOT INCLUDED)
Exhaust Pipe
(NOT INCLUDED)
964073 / 964074 / 964075
Engine
(NOT INCLUDED)
358531
961025
358540
(OPTION)
358724
358585
359050
358550
358513
359050
358561
908308
911410
902316
961032
358941
906206
358731
902305
961032
358606
901405
903410
351159
358723
902305
961032
358685
353370
351159
358680
903310
CLUTCH SPRINGS
CLUTCH SHOE
#358561 ALU - LIGHT (3)
BAG
32
351159
353370
358513
358531
358540
358550
358561
358585
358606
358680
358685
358723
358724
358731
358941
INCLUDED
CLUTCHBELLS
#358584 GRAY MEDIUM OPTION
#358512 12T
OPTION
#358585 SILVER HARD
#358513 13T
INCLUDED
#358514 14T
OPTION
#358525 15T
OPTION
INCLUDED
HIGH TORQUE CLUTCH SPRINGS
#358562 ALU - H-TORQUE (3) OPTION
#358587 GOLD SOFT
#358563 GRAPHITE (2)
OPTION
#358588 GRAY MEDIUM OPTION
#358517 13T Lightweight OPTION
#358564 ALU - HARD (3)
OPTION
#358589 SILVER HARD
#358518 14T Lightweight OPTION
CHASSIS SIDE GUARDS L+R
SET OF COMPOSITE REAR HUB CARRIER SHIMS
CLUTCH BELL 13T
FLYWHEEL
FLYWHEEL COLLAR (OPTION)
FLYWHEEL NUT - HUDY SPRING STEEL™
ALU CLUTCH SHOE - LIGHT 1.71g (3)
CLUTCH SPRINGS - HARD (3)
XT8 FUEL TANK 150CC WITH FLOATING FILTER
FUEL TANK MOUNTING POST (2)
FUEL TANK MOUNTING GROMMET (4)
EXHAUST WIRE MOUNT SET
ALU ENGINE MOUNT - CNC MACHINED (L+R)
EXHAUST MOUNTING WIRE - LONG
COMPOSITE TUBING HOLDER FOR FUEL TANK (2)
359050
901405
902305
902316
903310
903410
906206
908308
908312
911410
961025
961032
964073
964074
964075
OPTION
OPTION
CLUTCH BELL BALL-BEARING 5x10x4 (2)
HEX SCREW SB M4x5 (10)
HEX SCREW SH M3x5 (10)
HEX SCREW SH M3x16 (10)
HEX SCREW SFH M3x10 (10)
HEX SCREW SFH M4x10 (10)
SCREW PHILLIPS FH 2.2x6 (10)
HEX SCREW (CAP HEAD) 3x8 (10)
HEX SCREW (CAP HEAD) 3x12 (10)
HEX SCREW FLANGED SH M4x10 (10)
WASHER S 2.5 (10)
WASHER S 3.2 (10)
WASHER S 7x10x0.2 (10)
WASHER S 7x10x0.3 (10)
WASHER S 7x10x0.5 (10)
9. FUEL TANK & ENGINE
Threadlock on all screws
902305
SH M3x5
961032
S 3.2
Threadlock on all screws
All screws
908312
SCH M3x12
IMPORTANT!
7x10x0.2 / 0.3 / 0.5
Use appropriate shims to achieve proper
clutchbell endplay
964073
S 7x10x0.2
Use the cone included with your engine,
or use OPTION XRAY cone #358540
964074
S 7x10x0.3
964075
S 7x10x0.5
When installing the engine, first check that the drive shaft does not
touch the engine. If it does, remove some material from the engine
mount as shown to make some room between engine and shaft.
NOTE ORIENTATION
33
9. FUEL TANK & ENGINE
Hold the flywheel using
HUDY Flywheel Tool #182015
IMPORTANT
Failure to use these shims may
cause the flywheel pins to come out.
359050
BB 5x10x4
Tighten the clutch nut using
HUDY tool #107581
908308
SCH M3x8
2.5mm
961025
S 2.5
11~
11.2
These bearings must still
be regularly serviced and
replaced when worn out.
CLUTCHBELLS
mm
#358512 12T
OPTION
#358513 13T
INCLUDED
#358514 14T
OPTION
#358525 15T
OPTION
#358517 13T Lightweight OPTION
961032
#358518 14T Lightweight OPTION
S 3.2
3.2mm
SET-UP
BOOK
CLUTCH SPRINGS
CLUTCH SHOE
CLUTCH SHOE
#358561 ALU - LIGHT (3)
INCLUDED
#358562 ALU - H-TORQUE (3) OPTION
CLUTCH SPRINGS
#358584 GRAY MEDIUM OPTION
Note the orientation of the
clutch shoes. The short side
of spring must be in the
groove of the flywheel nut.
#358585 SILVER HARD
INCLUDED
HIGH TORQUE CLUTCH SPRINGS
#358587 GOLD SOFT
OPTION
#358563 GRAPHITE (2)
OPTION
#358588 GRAY MEDIUM OPTION
#358564 ALU - HARD (3)
OPTION
#358589 SILVER HARD
OPTION
DETAIL
GEAR MESH
EXTREMELY IMPORTANT
911410
SHF M4x10
SET-UP
BOOK
It is very important that your XT8 has properly-adjusted gear mesh. Adjust
the gear mesh so there is adequate (or slightly larger) space between the
spur gear and clutchbell teeth. Adjust the gear mesh by sliding the engine
mounts in the slots of the chassis. You should be able to rock one gear
back and forth slightly while holding the other one firmly. Be sure to
check the gear mesh all the way around the spur gear. Tighten the screws
once the engine alignment and gear mesh are correct, and then re-check
the gear mesh to ensure the engine mounts did not move.
Adjust engine position to
achieve proper gear mesh
Threadlock on all screws
GEARING
GEAR MESH ADJ.
907258
SP 2.5x8
2cc
1cc
The fuel tank has the larger fuel volume and includes OPTIONAL tank inserts for decreasing
the volume of the tank. Using the inserts allows you to adjust the volume of fuel inside the
tank; this works in conjunction with variables such as fuel filter capacity and/or length of
fuel line to ensure you have the legal fuel volume limit for racing.
Tube holders are easily connected to the fuel tank by screws. Using screws is much more secure
than using glue to attach the holders to the fuel tank.
2CC FUEL TANK INSERT
The larger insert decreases the
fuel tank volume by 2cc, and is
recommended for use when the
fuel filter is used.
NOTE ORIENTATION
1CC FUEL TANK INSERT
The smaller insert decreases the
fuel tank volume by 1cc.
NOTE ORIENTATION
NOTE: The fuel tank insert can be easily mounted to the bottom of the fuel tank using the
provided screw, when the fuel tank cap is opened fully.
34
9. FUEL TANK & ENGINE
DETAIL
353370
SHIM 3x9x2
902316
SH M3x16
2mm
903310
SFH M3x10
906206
SFP 2.2x6
After running your engine, apply
(#106250 HUDY ENGINE AFTER RUN OIL)
DETAIL
901405
SB M4x5
903410
SFH M4x10
Bend the exhaust wire as
appropriate to fit the muffler
Cut away for
muffler outlet
NOT INCLUDED
DETAIL
35
10. RADIO CASE
Servo Screw
(NOT INCLUDED)
356200
902306
(NOT INCLUDED)
Personal Transponder
(NOT INCLUDED)
902312
902310
356004
902314
352460
306310
352460
352670
902310
902312
356004
302611
960030
902314
356004
Receiver
(NOT INCLUDED)
Servo Grommet
(NOT INCLUDED)
356004
Steering Servo
(NOT INCLUDED)
Receiver Battery
(NOT INCLUDED)
902314
Servo Grommet
(NOT INCLUDED)
356120
336120
356004
Throttle Servo
(NOT INCLUDED)
903412
903412
336120
356120
BAG
10
302611
306310
336120
352460
352670
356004
356050
356120
ADJ. TURNBUCKLE L/R 35 MM - HUDY SPRING STEEL™ (2)
ANTENNA TUBE (2)
COMPOSITE STEERING SERVO HOLDER - SET - V2
PIVOT BALL 5.8 (10)
SERVO BALL JOINT 5.8MM (4)
COMPOSITE RADIO CASE SET - SOFT
BATTERY CABLE WITH SWITCH (OPTION)
STEERING SERVO MOUNT - SET
356200
389135
902306
902310
902312
902314
903412
960030
BRAKE/THROTTLE ARMS & STEERING SERVO ARMS - SET
CONNECTING CABLE RECEIVER/BATT. PACK (OPTION)
HEX SCREW SH M3x6 (10) (OPTION)
HEX SCREW SH M3x10 (10)
HEX SCREW SH M3x12 (10)
HEX SCREW SH M3x14 (10)
HEX SCREW SFH M4x12 (10)
NUT M3 (10)
Follow the TECH TIP on page
5 to install the pivot balls
RIGHT THREAD
902312
SH M3x12
Use appropriate servo arm:
K - (23T)
H - (24T)
F - (25T)
LEFT THREAD
RIGHT THREAD
approx. 19.5mm
HUDY ALU SERVO HORNS
LEFT THREAD
The length of the linkages varies
according to the type of servo.
36
NOTE
ORIENTATION
DETAIL
#293501 23T KO Propo, Airtronics, Sanwa OPTION
#293502 24T Hitec
OPTION
#293503 25T Futaba
OPTION
10. RADIO CASE
Servo screw (NOT INCLUDED)
step 1
Plug the connectors into
the receiver in Step 2
902314
SH M3x14
NOTE
NOTE
ORIENTATION
Use the shims only if
the servo is too tall and
extends below the case
step 2
Use foam to cushion the
inside of the radio case so
the receiver and battery
cannot vibrate or move.
3x10mm
CUT
3x12mm
902310
3x10mm
SH M3x10
902312
SH M3x12
SWITCH #356050
When receiver switch is
used, use hobby knife to
CAREFULLY remove the
material from the cover
and mount the switch.
907206
SP M2x6
Personal transponder (NOT INCLUDED)
#902306 Screws (NOT INCLUDED)
3x6mm (NOT INCLUDED)
DETAIL
Personal transponder can be placed on
the top of the radio box or inside of the
radio box
902314
SH M3x14
2x6
3x14mm
ALTERNATIVE 1
When the transponder is placed at
the top of the radio box, cut out some
material from the radio box in order
to allow the transponder wire to come
inside.
Note orientation of servo arm when servo is at neutral
.... .....................................
ALTERNATIVE 2
Place the transponder inside of the
radio box by using double-sided tape.
903412
SFH M4x12
4x12mm
960030
N M3
37
11. SHOCK ABSORBERS
PISTONS
10 holes/ø1.1mm
8 holes/ø1.2mm
8 holes/ø1.3mm
358041
6 holes/ø1.2mm
6 holes/ø1.4mm
358042
358053
6 holes/ø1.3mm
358042
DETAIL
960026
358040
358263
358084
358032
358033
358225
358270
970100
358019
358230
970180
971034
358365
80mm
358142
358150
358074
358020
358385
90mm
352460
358020
SHOCK SPRINGS
#358315 C=0.77-0.80 3 DOTS
69mm
OPTION
#358316 C=0.80-0.83 4 DOTS
69mm
OPTION
#358335 C=0.68-0.70 3 DOTS
85mm
OPTION
#358336 C=0.70-0.73 4 DOTS
85mm
OPTION
FRONT & REAR PROGRESSIVE SPRINGS
#358274 C=0.5-0.6
Grey
69mm
OPTION
#358275 C=0.65-0.7
1 STRIPE
69mm
OPTION
#358276 C=0.7-0.75
2 STRIPES 69mm
OPTION
#358277 C=0.72-0.8
3 STRIPES 69mm
OPTION
REAR PROGRESSIVE SPRINGS
38
83mm
OPTION
#358283 C=0.50 Grey
83mm
OPTION
#358284 C=0.53 Silver
83mm
OPTION
#358279 C=0.55-0.63 2 STRIPES 85mm
OPTION
#358285 C=0.57 Grey-Blue 83mm
OPTION
#358280 C=0.6-0.68
3 STRIPES 85mm
OPTION
#358287 C=0.65 Violet
83mm
OPTION
#358281 C=0.65-0.7
4 STRIPES 85mm
OPTION
#358288 C=0.70 Purple
83mm
OPTION
BAGS
11.1
REAR LINEAR SPRINGS
#358282 C=0.47 White
352460
358019
358020
358032
358033
358040
358041
358042
358053
358054
358074
358084
PIVOT BALL 5.8 - V3 (10)
COMPOSITE SET OF SHIMS FOR SHOCKS - V2 (2)
COMPOSITE SHOCK PARTS
SHOCK PISTON SET 8-HOLE (1.2; 1.3) 10-H. (1.1MM) - DELRIN - V2
COMPOSITE SHOCK 6-HOLE PISTON SET (1.2; 1.3; 1.4MM) - DELRIN - V2
HARDENED SHOCK SHIMS (4)
STEEL SHOCK BUSHING (2)
COMPOSITE SHOCK BUSHING & SHIM - V2 (2+2)
ALU SHOCK CAP NUT - BLACK COATED (2)
ALU SHOCK CAP NUT WITH VENT HOLE - BLACK COATED (2) (OPTION)
FOLDING SHOCK BOOT (4)
SHOCK RUBBER MEMBRANE BOTTOM RIBBED (4)
358142
358150
358225
358230
358263
358270
358365
358385
960026
970100
970180
971034
#358054
ALU SHOCK CAP NUT WITH VENT
HOLE - BLACK COATED (2)
ALU SHOCK BODY NUT FOR SHOCK BOOT (2)
ALU SHOCK BODY ADJ. NUT (2)
XB8’16 ALU REAR SHOCK BODY - HARDCOATED (2)
XT8 ALU REAR SHOCK BODY - HARDCOATED (2)
XB8 REAR SHOCK SHAFT (2)
XT8 REAR SHOCK SHAFT (2)
XRAY FRONT SPRING 80MM - 3 DOTS (2)
XRAY REAR SPRING 90MM - 3 DOTS
NUT M2.5 - SHORT (10)
O-RING 10 x 1.5 (10)
O-RING 18 x 1.8 (10)
SILICONE O-RING 3.5x2 (10)
11. SHOCK ABSORBERS
358040
S 2.5x6x0.5
960026
6 holes
ø1.3mm pistons
6 holes
ø1.3mm pistons
SHORT rod
DETAIL
DETAIL
INCORRECT
CORRECT
DO NOT OVERTIGHTEN
TIGHTEN GENTLY
The self-locking nut is overtightened,
causing distortion of the piston. This will
negatively affect the free movement of
the piston in the shock body.
The self-locking nut is gently tightened.
The piston remains undistorted and fits
inside the shock body perfectly, ensuring
smooth movement of the piston.
LONG rod
N M2.5
NOTE ORIENTATION
BAG
BAG
11.1
FRONT
SHOCK
REAR
SHOCK
DETAIL
Grip the shock rod at top of exposed
threads with side cutting pliers. Be
careful not to damage the shock rod.
SET-UP
BOOK
SHOCK DAMPING
SHOCK PISTONS
CORRECT
INCORRECT
INCORRECT
2x FRONT SHOCKS (SHORT)
2x REAR SHOCKS (LONG)
970100
O 10x1.5
Thick Shim
There are two different thickness shims, use
them as shown. Use the same procedure
when building both front and rear shocks.
O-ring
Thin Shim
DETAIL
O-ring
971034
O 3.4x2
2x
2x
FRONT SHOCKS
REAR SHOCKS
SHORT shock rod
SHORT shock body
EXTREMELY IMPORTANT
LONG shock rod
LONG shock body
INCORRECT
Do not push the shock rod straight
through the lower shock body
assembly; O-ring damage may result.
CORRECT
Twist the shock rod through the
lower shock body assembly.
39
11. SHOCK ABSORBERS
2x FRONT SHOCKS
2x REAR SHOCKS
DETAIL
970180
O 18x1.8
2x FRONT SHOCKS
DETAIL
2x REAR SHOCKS
1 mm
DETAIL
DETAIL
Grip the shock rod at top of exposed
threads with side cutting pliers. Be
careful not to damage the shock rod.
DEFAULT SHOCK REBOUND SETTING 0% (LOW REBOUND)
FRONT (SHORT)
2x Oil 400cSt
Follow the steps below to set the shock rebound to the default setting of 0%.
SET-UP
BOOK
2x REAR (LONG)
Oil 350cSt
CORRECT
INCORRECT
INCORRECT
HALF TIGHTEN
50%
SHOCK OIL
TIGHTEN FULLY
100%
DETAIL
3~5x
UP & DOWN
40
➊
➋
➌
➍
➎
➏
➐
Extend the shock shaft
completely. Fill the shock
body with the shock oil.
For the FRONT shocks
(short) use 400cSt oil. For
the REAR shocks (long) use
350cSt oil.
Move the shock shaft up and
down a few times to release
the air bubbles trapped
beneath the piston.
Orient the filled shock
vertically for several
minutes with the shock
shaft fully extended. The
remaining air bubbles will
release.
Install the shock membrane
into the groove in the
upper shock cap.
Gently place the shock cap
assembly onto the filled
shock body. Excess oil will
spill from the shock. Screw
the shock cap onto the
body by only a few turns.
Gently push the shock shaft
completely into the shock
body. Excess oil will flow
through the hole in the
shock cap.
Keep the shock shaft
pushed in the shock body
and tighten the shock cap
completely.
The rebound will be at
approximately 0%.
11. SHOCK ABSORBERS
FRONT shock PRELOAD
DETAIL
2x REAR SHOCKS
2x FRONT SHOCKS
approx. 5mm
SHORT front shock
LONG rear shock
REAR shock PRELOAD
SHORT spring
LONG spring
IMPORTANT!
approx. 7mm
SET-UP
BOOK
SPRING RATE
SHOCK PRELOAD
RIDE HEIGHT
IMPORTANT!
Both front shocks
must be the same
overall length.
IMPORTANT!
Both rear shocks
must be the same
overall length.
FRONT & REAR SHOCKS
ALTERNATE SHOCK REBOUND SETTING (50% AND 100%)
The default shock rebound setting is 0% (as described on page 40).
Alternatively, you may set the shock rebound setting to 50% or 100% as described below. Remove the shock springs before performing shock rebound adjustment.
SETTING THE SHOCK REBOUND TO 50% (MEDIUM REBOUND)
HALF TIGHTEN
50%
REMOVE SHOCK CAP
TIGHTEN FULLY
100%
50%
50%
➊
➋
➌
➍
➎
➏
Extend the shock shaft completely
and remove the shock cap.
Fill the shock body with shock
oil up to the top. Make sure to
use same viscosity shock oil as
is in the shock.
Orient the filled shock
vertically for several minutes
with the shock shaft fully
extended. The remaining air
bubbles will release.
Gently place the shock cap
assembly onto the filled shock
body. Excess oil will spill from
the shock.
Push the shock shaft 50% into
the shock body. Excess oil will
bleed thgrough the hole in the
shock cap.
Keep the shock shaft pushed
50% into the shock body
and tighten the shock cap
completely.
The rebound will be at
approximately 50%.
SETTING THE SHOCK REBOUND TO 100% (HIGH REBOUND)
TIGHTEN FULLY
100%
REMOVE SHOCK CAP
100%
➊
➋
➌
➍
Extend the shock shaft completely and remove
the shock cap.
Fill the shock body with shock oil up to the top.
Make sure to use same viscosity shock oil as is
in the shock.
Orient the filled shock vertically for several
minutes with the shock shaft fully extended.
The remaining air bubbles will release.
Gently place the shock cap assembly onto the filled
shock body. Keep the shock shaft extended 100% from
the shock body and tighten the shock cap completely.
The rebound will be at approximately 100%.
41
12. FINAL ASSEMBLY
903312
353565
358821
353511-K
358841
358811
358841
902308
356510
960030
358821
356402
359400
901303
356402
356402
960030
356402
358047
960030
REAR
SHOCK
961022
351310
903314
2x
901303
356402
358047
356402
960030
902318
902310
FRONT
SHOCK
356402
356200
356402
2x
4x
356402
356402
355261
902319
4x
Wheels / Inserts / Tires
(NOT INCLUDED)
Body
(NOT INCLUDED)
WHEEL NUTS
#355261
OPEN
INCLUDED
#293560
COVERED
OPTION
#355265
COVERED
OPTION
HUDY ALU SERVO HORNS
#293504 23T KO Propo, Airtronics, Sanwa
WING SHIMS
12
42
OPTION
OPTION
COMPOSITE INCLUDED
#293506 25T Futaba
#293561
ALU
OPTION
#293561-O ALU
#353561
BAG
351310
353511-K
353565
355261
356200
356402
356510
358047
358811
358821
358841
358950
359400
OPTION
#293505 24T Hitec
#353565
ALU
#358832
AIR FILTER RAIN COVER
WINGS
#353511-K BLACK
INCLUDED
#293507 23T KO Propo, Airtronics, JR, Sanwa OPTION
#353511
WHITE
OPTION
OPTION
#293508 24T Hitec
OPTION
#353511-Y
YELLOW
OPTION
OPTION
#293509 25T Futaba
OPTION
#353512
LEXAN
OPTION
FOAM WASHER FOR BODY POSTS (4)
REAR WING - BLACK
COMPOSITE REAR WING SHIM - BLACK (2)
WHEEL NUT - RIBBED - HARDvCOATED (2)
BRAKE/THROTTLE ARMS & SERVO ARMS - SET
BRAKE/THROTTLE SYSTEM - SET
CLOSED BALL JOINT 3.9 (4)
STEEL SCREW SHOCK PIVOT BALL WITH HEX (2)
AIR FILTER ELBOW - LOW PROFILE
AIR FILTER BODY & CAP - LOW PROFILE
AIR FILTER FOAM & OIL - LOW PROFILE
SILICONE TUBING 1M (2.4 x 5.5MM)
BODY CLIP (10)
901303
902308
902310
902318
902319
903312
903314
960030
961022
HEX SCREW SB M3x3 (10)
HEX SCREW SH M3x8 (10)
HEX SCREW SH M3x10 (10)
HEX SCREW SH M3x18 (10)
HEX SCREW SH M3x18 - LEFT THREAD (10)
HEX SCREW SFH M3x12 (10)
HEX SCREW SFH M3x14 (10)
NUT M3 (10)
WASHER S 2.2 (10)
358950
12. FINAL ASSEMBLY
SHORTER
FRONT SHOCKS (SHORT)
LONGER
2x
DETAIL
NOTE ORIENTATION
L=R
INITIAL SETTING
L=R
902318
SH M3x18
902319
SH M3x18
LEFT thread
Use STANDARD
M3x18 screw
960030
N M3
DETAIL
3x18mm
SET-UP
BOOK
INITIAL SETTING
L=R
On the front right arm use the SILVER M3x18
screw - this screw has LEFT THREAD
SHOCK ABSORBERS
SHORTER
REAR SHOCKS (LONG)
LONGER
INITIAL SETTING
DETAIL
NOTE ORIENTATION
2x
L=R
L=R
902318
M3x18
902319
SH M3x18
LEFT thread
Use STANDARD
M3x18 screw
960030
DETAIL
N M3
SET-UP
BOOK
SHOCK ABSORBERS
M3x18mm
Thread brake rods into plastic
pivots until flush with outer end
901303
INITIAL SETTING
On the rear left arm use the SILVER M3x18
screw - this screw has LEFT THREAD
SB M3x3
Brak
e ro
d
L=R
HUDY ALU SERVO HORNS
#293504 23T KO Propo, Airtronics, Sanwa
OPTION
#293505 24T Hitec
OPTION
#293506 25T Futaba
OPTION
#293507 23T KO Propo, Airtronics, JR, Sanwa OPTION
Brak
e ro
#293508 24T Hitec
OPTION
#293509 25T Futaba
OPTION
d
902310
SH M3x10
Thro
ttle r
od
Small gap
Small gap
903314
SFH M3x14
Use servo horn to match your servo
K - (23T)
H - (24T)
F - (25T)
Cut off
remaining
material
Tighten screw until snug.
Pivots should move freely.
DETAIL
43
12. FINAL ASSEMBLY
SILICONE
TUBING
901303
SB M3x3
8mm
961022
S 2.2
Servo screw
(not included)
Ensure that the servo is in neutral position
before attaching the servo horn
NOTE
ORIENTATION
DETAIL
903312
SFH M3x12
960030
N M3
To tighten the setscrew you can also use the
HUDY 17mm Wheel Nut Tool #107570
WING SHIMS
44
WINGS
#353565
COMPOSITE INCLUDED
#353511-K BLACK
INCLUDED
#293561
ALU
OPTION
#353511
WHITE
OPTION
#355261
OPEN
INCLUDED
#293561-O ALU
OPTION
#353511-Y
YELLOW
OPTION
#293560
COVERED
OPTION
#353561
OPTION
#353512
LEXAN
OPTION
#355265
COVERED
OPTION
ALU
WHEEL NUTS
12. FINAL ASSEMBLY
902308
#358832
AIR FILTER RAIN COVER
SH M3x8
Apply #106240 HUDY air filter oil
and follow the engine instructions
to service the air filter.
Cut the silicone tube depending on engine and muffler.
Use the plastic clips to hold the tubes together.
SILICONE TUBE MARKED AS
BLUE = FROM FUEL TANK TO CARBURETOR
SILICONE TUBE MARKED AS
RED = FROM MUFFLER TO FUEL TANK (TOP)
Keep fuel line away from
clutchbell and flywheel.
➊ Before cutting and making holes on the body, put the unpainted body on the chassis to confirm the
mounting position and location for holes and cutouts.
➋ Before painting, wash the inside of the body with mild detergent, and then rinse and dry thoroughly.
➌ Mask all windows.
➍ Apply paint masks as appropriate.
➎
➏
➐
➑
Paint the body using paints formulated for polycarbonate bodies.
When the paint is dry, remove the masking.
Carefully cut out the body using appropriate scissors or cutting tools.
When you have finished cutting, peel off the external protective films.
Body Reamer (HUDY #107600)
DETAIL
Ensure to make this rear body
mount hole oval so in the case of
chassis flex after a big jump the
body mount will not tear up the
hole.
To reinforce the body or to fix broken
body use #106280 HUDY BODY FIX
45
THROTTLE LINKAGE ADJUSTMENT
NEUTRAL (IDLE)
FULL THROTTLE
BRAKE
0.5mm
Turn on the transmitter and receiver and set the engine control servo trim
to the neutral position. Adjust the idle adjustment screw on the carburetor
to open approx. 1mm. Adjust both the throttle linkage and brake linkages
accordingly. DO NOT adjust the linkage with the engine running.
ADJUST INDIVIDUAL LINKAGES SEPARATELY TO AVOID INTERFERING
WITH THE OPERATION OF THE OTHERS
ENGINE IDLING
Adjust the servo-horn mounting position for the carburetor
to open fully. Change the pivot mounting position on the servo
horn in case the carburetor is not opening fully or if it is opening
excessively. Or if available on the transmitter, adjust the throttle
high end point.
~1mm
Adjust the adjustable collars so the brakes work smoothly. If the
brakes apply too much or not enough, adjust the adjustable collars
accordingly. Or if available on the transmitter, adjust the brake
endpoint. To tighten brakes, turn collar to thread brake rod INTO
pivot. To loosen brakes, turn collar to thread brake rod OUT of
pivot.
ENGINE IDLING
~1mm
BRAKE ADJUSTING KNOBS:
Upper linkage - rear brake
Lower linkage - front brake
IDLING ADJUSTMENT SCREW
Use to adjust the idle setting of the carburetor. Do not allow carburetor to
close to less than 1mm.
MAINTENANCE
ENGINE OPERATION
PREPARING TO OPERATE THE ENGINE
• Never modify the engine or muffler.
• Confirm the position of needle and idling before running. Be sure to run a new engine smoothly.
• Make sure the air filter is clean and oiled.
• Never run your engine without an air filter. Your engine can be seriously damaged if dirt and debris get inside the engine.
• For proper engine break-in, please refer to the manual that came with the engine.
• The engine may not start or run properly if the air filter is dirty, or choked with sand and dust.
• If the fuel pipe is choked or deteriorates, the engine may not start, and there is danger that fuel will leak out.
STARTING AND RUNNING THE ENGINE
Be sure to observe the following starting process. Failure to do so may cause the model car to start suddenly, which may lead to damage or unexpected accidents.
1. Make sure the transmitter and receiver batteries are fully charged.
2. Make sure that your transmitter and receiver are both on the same frequency. If you have a transmitter with multiple model memory,
make sure you have selected the proper profile for your car.
3. Put the car on the starter box and keep the tires from touching the ground.
4. Turn on the transmitter.
5. Turn on the receiver in the car.
6. Make sure the steering servo and engine servos work normally and adjust them correctly.
STOPPING THE ENGINE
Before you stop the engine, try to make sure the engine is at idle first. There are several ways to stop the engine:
• Use a rag to cover the exhaust tip. Be careful! The exhaust is extremely hot so use a thick rag and gloves.
• Pinch the fuel tubing to stop the flow of fuel to the carb. Be careful, this can make the motor run lean which can damage the motor.
• Put your hand over the air filter, or squeeze the air filter element to block the airflow.
FINISHING OPERATIONS
1. Stop the engine.
2. Turn off the receiver in the car
7. Put fuel in the fuel tank, and close the cap securely.
8. Apply the glow igniter to the engine glowplug.
9. Push the model car onto the starter box to start the engine. (If the engine is new, follow the instruction manual and be sure to break
in the new engine properly).
10. When the engine has started, remove the glow igniter.
11. Follow your engine break-in procedure and tune the engine as appropriate.
• Press an object (such as a screwdriver handle or shoe) against the rotating flywheel to stop its rotation. Be very careful, and do not stick
your hand or fingers near the rotating flywheel.
3. Turn off the transmitter.
MAINTENANCE AFTER RUNNING
Take proper care of your car after running to keep it performing well, and take notice of any damage and wear.
1. Do not leave fuel in the tank.
2. Go outside to drain any residual fuel from the exhaust pipe.
3. Clean the car and remove all sand, mud, and other debris.
4. Use after-run oil in your engine after you have finished running for the day.
SHOCK MAINTENANCE
The most important maintenance task for keeping consistent shock performance is refilling and bleeding them correctly. If built correctly, it will not be necessary
to re-build them often. Replacing warped/hard rubber bladders and o-rings, scarred piston rods, or shaved/split/loose composite upper and lower ball joints are also important.
• For club racing, it is recommended to check the shocks for air inside before each race and only re-fill and bleed them if necessary.
Before each race day, make sure you take the spring off of each shock, hold it up to your ear, and quickly compress the shock rod fully
into the body while listening for any air making a “whistling” or “squishy” sound as it passes through the piston holes. If you hear any
air, refill and bleed your shocks. For high-competition racing, it is recommended that the shocks be re-filled and bled before a large
event.
• If building or pairing new shocks, always make sure they are the same length using a shock length measuring tool and adjust the lower
ball joints as needed.
• If installing new rubber bladders, carefully trim the thin excess rubber from the edges of their lips. Curved body scissors work the best.
• Regularly inspect the amount of dirt on the felt protector in the shocks (if present) and regularly replace with a new one.
• During regular shock operation, oil naturally gets on the shock shaft and drop-by-drop slightly gets out of the shock body. Shocks
should be inspected regularly after each race, and oil replaced as required.
BEARING MAINTENANCE
Ball-bearings in an off-road car or truggy must be properly maintained for smooth operation and long lifespan. Typically, the ball-bearings included in new cars are greased for highest lifespan and as such the drivetrain may not seem to be as free as with lightly-oiled ball-bearings.
However, when the car is run the ball-bearings will become more free and the drivetrain will become very efficient. There are several types of bearings discussed here: bearings which already come greased from the factory, bearings which must be lubricated using the HUDY Bearing
Grease, and then there are also bearings in the steering system which need to be lubricated with HUDY Bearing Oil. The following procedures are recommended to clean all of the bearings in your off-road car or truggy. For high-competition racing, we recommended doing this every
3-4 weeks, or before a major race.
1. Remove the seals on both sides of the bearing (if present). If the seals bend a little and you can see a kink, carefully flatten the kink
out by hand.
2. Spray the seals with motor cleaner and blow dry with compressed air.
3. Spray the bearing on both sides with motor cleaner.
4. Spin the bearing while it is still wet to dislodge any particles with the cleaner.
5. Spray the bearing on both sides again.
6. Blow both sides of the bearing dry with compressed air to make sure particles come out.
7. Hold the inner part of the bearing with my left thumb/forefinger and spin it to make sure it spins free without any abnormal vibrations
or sounds.
8. Place one drop of bearing oil into each side of the bearing.
9. Replace both seals at the same time by lining them up on each side of the bearing and lightly pressing them in all the way around the
bearings circumference with your thumb and forefinger. Do not press too hard or use any type of tool, such as a wrench tip, to push the
blue seals in as they will push in too far, bend and cause drag.
If you spin test the bearing after you have re-oiled and sealed it, it will not spin freely for an extended period of time. The lightest of oils may allow it to spin for 1-2 seconds. This is normal and once you have mounted the bearings in the car again, the drive train will spin freely.
Make sure you use a motor cleaner that does not leave a residue after it dries as this may cause drag and wear in the bearings.
CLUTCH BEARINGS
To prolong the lifespan of the clutch bearings, they must be regularly cleaned and lubricated (preferably after each run) using a high-quality grease such as HUDY Bearing
Grease. However, after some time the clutch bearings must be replaced with new ones.
RECOMMENDED PRODUCTS
• Use HUDY Bearing Grease to regularly lubricate grease-bearing ball-bearings.
• Use HUDY Bearing Oil to lubricate the bearings of the steering system.
• Use HUDY Bearing Grease to regularly lubricate the clutch bearings.
46
HUDY Joint Grease#106213
HUDY Bearing Grease #106220
HUDY Bearing Oil#106230
HUDY Bearing Oil#106232
HUDY Premium Bearing Grase #106222
HUDY #Bearing Grease Extra106221
#350905 XT8E CONVERSION SET
The XT8E conversion is not included and must be purchased separately. To convert the XT8 into XT8E you have to dismount the engine with muffler, fuel tank, radio box, center diff
holders and follow these instructions. All parts in the section exploded views which are shaded are to be used from the original XT8 kit.
902330
908314
Motor
(NOT INCLUDED)
961032
903308
358783
352290
358784
354056
354011
355712-17
(NOT INCLUDED)
908312
354033
903414
CENTER DIFF
354011
354033
903414
352290
354011
354033
354056
355712~17
358783
358784
COMPOSITE BUSHING FOR ALU STEERING BLOCK (4)
CENTER DIFF MOUNTING PLATE SET - HIGHER
COMPOSITE 2-SPEED HOLDER PLATE (2)
XT8E GRAPHITE CENTER DIFF MOUNTING PLATE
12~17T PINION GEAR (OPTION)
ALU MOTOR MOUNT PLATE - V2
ALU MOTOR MOUNT - V2
902330
903308
903414
908312
908314
961032
HEX SCREW SH M3x30 (10)
HEX SCREW SFH M3x8 (10)
HEX SCREW SFH M4x14 (10)
HEX SCREW SOCKET HEAD CAP M3x12 (10)
HEX SCREW SOCKET HEAD CAP M3x14 (10)
WASHER S 3.2 (10)
NOTE ORIENTATION
NOTE ORIENTATION
902330
SH M3x30
903308
SFH M3x8
NOTE ORIENTATION
47
XT8E CONVERSION INSTRUCTIONS
Must be used 2mm shims
(2x 1mm steel shims or
1x 2mm composite shim).
903414
SFH M4x14
DETAIL
M3
M4
M4
M3
XRAY PINION GEAR
908312
SCH M3x12
Pinion
355712~17 (NOT INCLUDED)
#355712
12T
OPTION
#355713
13T
OPTION
#355714
14T
OPTION
#355715
15T
OPTION
#355716
16T
OPTION
#355717
17T
OPTION
908314
SCH M3x14
Gear mesh adjustment
961032
S 3.2
Adjust gear mesh so there is minimal play between the gears.
TOO TIGHT gear mesh will put excessive strain on all parts and damage the parts.
TOO LOOSE gear mesh may result in stripped gears.
48
XT8E CONVERSION INSTRUCTIONS
902308
Speed Controller
(NOT INCLUDED)
902314
306310
Servo Screw
(NOT INCLUDED)
Servo Grommet
(NOT INCLUDED)
907206
336000
Steering Servo
(NOT INCLUDED)
356200
902314
352460
356152
336000
LiPo Battery Pack
(NOT INCLUDED)
352460
352670
356119
902312
302611
960030
Receiver
(NOT INCLUDED)
356120
356120
336000
960040
352670
356152
356160
356194
356194
903410
356197
903412
356152
903410
302611
306310
336000
336060
352460
352670
356119
356120
356152
356160
356194
356197
ADJ. TURNBUCKLE L/R 35 MM - HUDY SPRING STEEL (2)
ANTENNA TUBE (2)
COMPOSITE RECEIVER CASE - V2
RECEIVER SWITCH - SET (OPTION)
PIVOT BALL 5.8 (10)
SERVO BALL JOINT 5.8MM (4)
XT8E GRAPHITE RECEIVER CASE TOP PLATE
STEERING SERVO MOUNT - SET
COMPOSITE BATTERY PLATE
VELCRO BATTERY STRAP 20x300MM (2)
ALU MOUNT FOR RECEIVER BOX
ALU MOUNT FOR RECEIVER BOX
356200
BRAKE/THROTTLE ARMS & STEERING SERVO ARMS - SET
902308
902312
902314
903410
903412
907206
960030
960040
HEX SCREW SH M3x8 (10)
HEX SCREW SH M3x12 (10)
HEX SCREW SH M3x14 (10)
HEX SCREW SFH M4x10 (10)
HEX SCREW SFH M4x12 (10)
SCREW PHILLIPS 2x6 (10)
NUT M3 (10)
NUT M4 (10)
Servo Screw
(NOT INCLUDED)
902314
SH M3x14
49
XT8E CONVERSION INSTRUCTIONS
902308
SH M3x8
907206
2x6
Receiver
(NOT INCLUDED)
Antenna
If the receiver box has 2 different-size openings
for cable entry (narrow and wider), cut away
the tab for the appropriate opening to allow the
cables to fit properly.
902308
SH M3x8
NOTE ORIENTATION
902314
SH M3x14
903412
SFH M4x12
960030
N M3
50
XT8E CONVERSION INSTRUCTIONS
ALETRNATIVE 1
Tie Strap
(NOT INCLUDED)
(INITIAL SETTING)
Speed Controller
(NOT INCLUDED)
903410
SFH M4x10
Double-Sided Tape
(NOT INCLUDED)
960040
N M4
ALETRNATIVE 2
903410
SFH M4x10
960040
N M4
Cut Battery Plate
View
Battery
(NOT INCLUDED)
Velcro Battery Strap
Cut the foam as needed to fill in space
between the batteries and holder.
51
RC AMERICA, 2030 Century Center Blvd #15, Irving, TX 75062, USA
PHONE: 214-744-2400, FAX: 214-744-2401, xray@rcamerica.com
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