BEFORE YOU START
The X1 is a high-competition, high-quality, 1/10-scale Formula car intended for
persons aged 16 years and older with previous experience building and operating
RC model racing cars. This is not a toy; it is a precision racing model. This model
racing car is not intended for use by beginners, inexperienced customers, or
by children without direct supervision of a responsible, knowledgeable adult.
If you do not fulfill these requirements, please return the kit in unused and
unassembled form back to the shop where you have purchased it.
Before building and operating your X1, YOU MUST read through all of the
operating instructions and instruction manual and fully understand them to get
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 maximum enjoyment and prevent unnecessary damage. Read carefully and
fully understand the instructions before beginning assembly.
Make sure you review this entire manual, download and use set-up book from the
web, and examine all details carefully. If for some reason you decide The X1 is
not what you wanted or expected, do not continue any further. Your hobby dealer
cannot accept your X1 kit for return or exchange after it has been partially or fully
assembled.
Contents of the box may differ from pictures. In line with our policy of continuous
product development, the exact specifications of the kit may vary without prior
notice.
XRAY Europe
K Vystavisku 6992
91101 Trenčín
Slovakia, EUROPE
Phone: 421-32-7401100
Fax: 421-32-7401109
E-mail: info@teamxray.com
XRAY USA
RC America, 2030 Century Center Blvd #15
Irving, TX 75062
USA
Phone: (800) 519-7221 * (214) 744-2400
Fax: (214) 744-2401
E-mail: xray@rcamerica.com
Failure to follow these instructions will be considered as abuse and/or neglect.
SAFETY PRECAUTIONS
Contains:
LEAD (CAS 7439-92-1) ANTIMONY (CAS 7440-36-0)
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
Contains lead, a listed carcinogen. Lead is harmful if ingested. 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.
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.
To prevent any serious personal injury and/or damage to property, please be
responsible when operating all remote controlled models.
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 shortcircuits, 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.
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 newlypurchased 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
Assemble left and
right sides the
same way
05
Apply oil
Pay attention here
Assemble as many
times as specified
(here twice)
2x
L=R
Apply grease
Apply CA glue
Cut off remaining
material
Use pliers
Ensure smooth
non-binding movement
CA
Tighten screw
gently
OIL
CORRECT
WRONG
Overtightened
Detail view
DETAIL
Assembly view
The threads
are stripped.
TOOLS REQUIRED
HUDY TOOLS: Allen: 1.5mm, 2.5mm, 2.0mm, 3.0mm
Socket: 7.0mm
3.0 mm
Combination Pliers
(HUDY #189020)
Side Cutters
(HUDY #189010)
Hobby Knife
Turnbuckle Wrench
4mm (HUDY #181040)
Reamer
(HUDY #107600)
or
(HUDY #107601)
2.5 mm
Scissors
(HUDY #188990)
2.0 mm
4.0
mm
1.5 mm
7.0 mm
EQUIPMENT INCLUDED
XRAY Premium Silicone
Oil 600cSt (#359260)
Diff Grease
(HUDY #106211)
NOT INCLUDED
SAMPLE OF
OPTIONAL PARTS
#37XXXX OPTION 1
#37XXXX OPTION 2
XRAY offers wide range of optional tuning parts which are listed in a
table like this. Please reffer to the exploded view of each main section to
verify which part is included in the kit while all other parts are available
only as an optional part and must be purchased separately.
#37XXXX OPTION 3
EQUIPMENT REQUIRED
4
Transmitter
Receiver
Steering Servo
Electric Motor &
Pinion Gear and Setscrew
Speed Controller
LiPo Battery
Lexan™ Paint
Battery Charger
Fibre Tape (HUDY #107870)
Double-sided Tape
Bearing Oil
(HUDY #106230)
Wheels & Tires & Inserts
CHASSIS PREPARATION
To protect and seal edges of graphite parts, sand edges smooth and then apply CA glue.
Do this for: chassis edges and countersunk holes.
DETAIL
Fine sandpaper
Use fine sandpaper to sand smooth
the edges of all graphite parts.
CA
DETAIL
CA
Apply only a bit of CA glue in the countersunk holes.
5
1. FRONT SUSPENSION
902308
372321
FRONT COIL SPRINGS - SOFT
#372176 C=1.5 - GOLD (SOFT)
#372177 C=2.0 - SILVER (SOFT)
#372178 C=2.5 - BLACK (SOFT)
#372179 C=3.0 - GREY (SOFT)
372321
965019
962030
970050
372281
371003
303123-O
373241
372320
FRONT COIL SPRINGS
#372180 C=3.5 - GOLD
#372181 C=4.0 - SILVER
#372182 C=5.0 - BLACK
#372183 C=5.5 - GREY
371062
902310
372132
373241
372320
372290
376361-O
302652
970050
902306
375221
372212
901308
372212
901304
372114
373242
372290
372212
970050
902306
372290
372320
376364-O
303123-O
372180
965019
903308
BAG
30 3123-O
30 2652
37 1003
37 1062
37 2114
37 2132
37 2180
37 2212
37 2281
37 2290
37 2320
37 2321
37 3241
37 3242
ALU SHIM 3x6x2.0MM - ORANGE (10)
BALL END 4.9MM WITH THREAD 4MM (2)
X1 CHASSIS - 2.5MM GRAPHITE
X1 GRAPHITE 2.5MM ARM MOUNT PLATE
X1 GRAPHITE LOWER SUSPENSION ARM 2.5MM
X1 GRAPHITE UPPER SUSPENSION ARM 2.5MM
FRONT COIL SPRING 3.6x6x0.5MM; C=3.5 - GOLD (2)
X1 COMPOSITE STEERING BLOCK & BACKSTOPS
X1 KING PIN (2)
ALU SHIM 3.2x4.8x0.5 (4)
X1 COMPOSITE ARM BUSHING (4)
X1 COMPOSITE CASTER & CAMBER BUSHING (2+2+2+2)
COMPOSITE PIVOTBALL UNIVERSAL 6.0 MM (2)
COMPOSITE PIVOTBALL UNIVERSAL 6.0 MM - SHORT (2)
37 5221 X1 FRONT WHEEL AXLE - HUDY SPRING STEEL (2)
37 6361-O ALU MOUNT 26.5MM - ORANGE (2)
37 6364-O ALU MOUNT 10.8MM - ORANGE (2)
90 1304
90 1308
90 2306
90 2308
90 2310
90 3308
96 2030
96 5019
97 0050
HEX SCREW SB M3x4 (10)
HEX SCREW SB M3x8 (10)
HEX SCREW SH M3x6 (10)
HEX SCREW SH M3x8 (10)
HEX SCREW SH M3x10 (10)
HEX SCREW SFH M3x8 (10)
WASHER S 3x6x0.3 (10)
E-CLIP 1.9 (10)
O-RING 5x1 (10)
2x
6x
Upper Arms
DETAIL
LOWER Arms
970050
O 5x1
Remove excessive material
DETAIL
composite ball 6x
6
cutaway view
Note orientation
short composite ball
2x
DETAIL
cutaway view
1. FRONT SUSPENSION
2x
2x
DETAIL
901308
SB M3x8
5 mm
1.5
mm
1.5
mm
2x
DETAIL
LOWER Arms
steering
angle
902306
SH M3x6
backstop
The adjustable backstops are used to limit the steering angle.
Adjust the backstop with the set screw to achieve the maximum
steering angle needed. Make sure to adjust the steering angle
on BOTH sides to the same amount.
3x8
303123-O
SHIM 3x6x2
902306
SH M3x6
OPTIONAL: #372087 X1 Graphite Front Arm Brace 2.5mm
903308
The brace makes the car easier to drive. Recommended for
high-traction conditions.
SFH M3x8
3x6x2mm
303123-O
ECCENTRIC BUSHINGS
SHIM 3x6x2
902308
This shim adjusts the roll-center of the front bottom arm as
well as the front ride height. The thickness of the shim depends
on the tire diameter. For initial setting, use the 3x6x2mm shim.
IMPORTANT! Use the same shim thickness under all 4 posts.
Important!
DETAIL
All three bushings MUST have same orientation.
These bushings adjust the front CASTER:
Note orientation
= 3° caster
SH M3x8
= 6° caster
903308
SFH M3x8
INITIAL SETTING
= 9° caster
3x6x2mm
This shim adjusts the roll-center
of the front upper arm. For initial
setting, use the 3x6x2mm shim.
IMPORTANT!
Use the same shim thickness
under all 3 posts.
= 12° caster
These eccentric bushings adjust the front CASTER.
MORE caster angle = better cornering speed, increased traction rolling.
Use on big, open tracks where cornering speed is needed.
LESS caster angle = more reactive steering. Use on technical tracks where
a lot of steering response is needed.
7
1. FRONT SUSPENSION
Important!
DETAIL
All four bushings MUST have same orientation.
These bushings adjust the front CAMBER:
902310
SH M3x10
FREE
MOVEMENT
= 1.0° camber
3x6x0.3mm
= 1.5° camber
3x6x0.3mm
962030
INITIAL SETTING
= 2.0° camber
S 3x6x0.3
ECCENTRIC BUSHINGS
= 2.5° camber
These eccentric bushings adjust the front CAMBER.
The more camber angle, the more steering there is. However, it makes the car
more sensitive and more difficult to drive.
Use LESS camber angle for carpet and other high-traction tracks.
Use MORE camber on asphalt and low-traction tracks.
2x
There are two Ackermann
positions on the steering block:
901304
SB M3x4
DETAIL
INITIAL SETTING
tighten gently
INNER position: improved steering response
OUTER position: easier to drive
2x
OIL
965019
C 1.9
372290
FREE
MOVEMENT
Drivers use hudy
Silicone Oil
The number of the shims affects
the front ride height. Determine
the proper amount of shimming
based on tire diameter.
LOW traction & bumpy track
10K cSt (#106510 HUDY)
HIGH traction & flat track
30K cSt (#106530 HUDY)
2x
3.2x4.8x0.5mm (5x)
SHIM 3.2x4.8x0.5
3.2x4.8x0.5mm (2x)
tighten fully
1.5 m
m
3.2x4.8x0.5mm (1x)
3.2x4.8x0.5mm (1x)
FRONT COIL SPRINGS - SOFT
#372176 C=1.5 - GOLD (SOFT)
#372177 C=2.0 - SILVER (SOFT)
#372178 C=2.5 - BLACK (SOFT)
#372179 C=3.0 - GREY (SOFT)
8
FRONT COIL SPRINGS
#372180 C=3.5 - GOLD
#372181 C=4.0 - SILVER
#372182 C=5.0 - BLACK
#372183 C=5.5 - GREY
After assembling the steering block, loosen
the set-screw slightly. Use your thumb
to press down on the top of the kingpin,
then use your other fingers to pull up the
steering block. Then tighten the set-screw.
2. REAR SUSPENSION
901310
362650
371320
303123-O
371320
981210
902306
902308
902306
901308
373546
371073
373590
901310
902306
371092
373591
902306
303123-O
372651
373073-O
373031
903306
902308
373590
376361-O
373012
902306
373585
373092
903306
373066
373022
296530-O
371147
373092
903306
903310
902258
371190
303241
903306
BAG
02
30 3123-O
30 3241
36 2650
37 1073
37 1092
37 1147
37 1190
37 1320
37 2651
37 3012
37 3022
37 3031
37 3066
37 3073-O
37 3092
37 3546
37 3585
ALU SHIM 3x6x2.0MM - ORANGE (10)
PIVOT BALL UNIVERSAL 5.8 MM WITH HEX (4)
BALL END 4.9MM WITH THREAD 6MM (2)
X1 REAR BRACE - GRAPHITE 2.5MM
X1 GRAPHITE PLATE FOR MOUNTS 2.5MM
X1 GRAPHITE 2.5MM REAR POD LOWER PLATE
COMPOSITE POD LINK (2)
COMPOSITE BODY POST (2)
PIVOT BALL UNIVERSAL 4.9 MM - HUDY SPRING STEEL (2)
X1 ALU REAR BULKHEAD - MOTOR (RIGHT)
X1 ALU REAR BULKHEAD - LEFT
X1 GRAPHITE REAR BULKHEAD BRACE
ALU PIVOT BALL
ALU REAR BRACE MOUNT 13MM - ORANGE (2)
COMPOSITE LOWER & UPPER PIVOT BRACE - LOW ROLL-CENTER
X1 REAR POD UPPER PLATE - GRAPHITE 2.5MM
SIDE SPRING C=0.9 - GOLD (2)
side SPRINGS
#373584 C=0.6 - SILVER
#373585 C=0.9 - GOLD
#373586 C=1.2 - BLACK
37 3590
COMPOSITE SPRING HOLDER & NUT (2+1)
37 3591
COMPOSITE SIDE SPRING HOLDER (2)
37 6361-O ALU MOUNT 26.5MM - ORANGE (2)
29 6530-O
90 1308
90 1310
90 2258
90 2306
90 2308
90 3306
90 3310
98 1210
ALU NUT M3 - ORANGE (10)
HEX SCREW SB M3x8 (10)
HEX SCREW SB M3x10 (10)
HEX SCREW SH M2.5x8 (10)
HEX SCREW SH M3x6 (10)
HEX SCREW SH M3x8 (10)
HEX SCREW SFH M3x6 (10)
HEX SCREW SFH M3x10 (10)
PIN 2x10 (10)
NOTE ORIENTATION
902306
SH M3x6
NOTE ORIENTATION
903306
SFH M3x6
NOTE ORIENTATION
9
2. REAR SUSPENSION
Ensure free, smooth movement without
excessive freeplay.
296530-O
ALU N M3
DETAIL
902306
SH M3x6
Sandpaper
NOTE
ORIENTATION
Sandpaper
Gently scuff the bottom of the composite lower pivot
brace on sandpaper to make the surface slightly
rough. This will help the lower pivot brace to grip the
chassis surface better.
903310
SFH M3x10
Do not tighten fully
903306
SFH M3x6
2x
2x
902258
SH M2.5x8
903306
SFH M3x6
Do not tighten
fully, pivotballs
must turn freely.
TIGHTEN FULLY
901308
SB M3x8
NOTE ORIENTATION
DETAIL
Make sure both side springs
are tightened equally, to avoid
unwanted tweak.
SOFTER SPRINGS
Makes the car easier to drive on
low-traction tracks but more difficult to
drive on high-traction tracks.
NOTE ORIENTATION
10
HARDER SPRINGS
Improves steering response, but also
increases traction rolling.
DETAIL
2.0mm
"CLICK"
2. REAR SUSPENSION
3x6x2mm
303123-O
SHIM 3x6x2
902306
SH M3x6
903306
SFH M3x6
3x6mm
3x10mm
303123-O
SHIM 3x6x2
3x6mm
3x8mm
901310
DETAIL
3x6x2mm
SB M3x10
5mm
902306
SH M3x6
902308
SH M3x8
901310
SB M3x10
NOTE ORIENTATION
3x6mm
902306
3x6mm
SH M3x6
3x8mm
902308
SH M3x8
3x8mm
903306
SFH M3x6
3x6mm
DETAIL
3x6mm
5mm
11
3. BALL DIFFERENTIAL
901304
spur gears
296530-O
930138
375026
941438
963030
375050-O
981214
941438
#375876
76T / 64P
#375878
78T / 64P
#375880
80T / 64P
#375896
96T / 64P
930130
375036
941438
375080
375896
375012
375080
375090-O
372070
951438
375090-O
951438
908258
BAG
03
37 2070
37 5012
37 5026
37 5036
37 5046
37 5050-O
37 5080
37 5090-O
37 5896
COMPOSITE RIDE HEIGHT ADJUSTER SET - V2 (2)
STEEL REAR AXLE SHAFT - HUDY SPRING STEEL™
X1 ALU REAR DRIVE AXLE - RIGHT
X1 ALU REAR WHEEL HUB - RIGHT
X1 ALU REAR WHEEL HUB - LEFT
ALU DIFF HUB - ORANGE
D-LOCK DIFF PLATE (2)
SET OF ALU SHIMS 6.37x8.4MM (0.5MM, 1.0MM, 2.0MM) - ORANGE
COMPOSITE SPUR GEAR - 96T / 64P
OIL
951438
375046
29 6530-O ALU NUT M3 - ORANGE (10)
90 1304
90 8258
93 0130
93 0138
94 1438
95 1438
96 3030
98 1214
HEX SCREW SB M3x4 (10)
HEX SCREW SOCKET HEAD CAP M2.5x8 (10)
CARBIDE BALL 3.175MM (12)
CARBIDE BALL-BEARING AXIAL F3-8 3x8x3.5 - V2
HIGH-SPEED BALL-BEARING 1/4”x3/8”x1/8” RUBBER SEALED (2)
BALL-BEARING 1/4” x 3/8” x 1/8” FLANGED (2)
CONE WASHER ST 3x8x0.5 (10)
PIN 2x14 (10)
Bearing Oil
(HUDY #106230)
Flanged
BB 1/4“x3/8“x1/8“
Bearing Oil
(HUDY #106230)
OIL
Flanged
initial SETTING
2.5
0
2.0
1.5
1.0
These eccentric bushings adjust the RIDE HEIGHT of the rear pod.
Make sure to use the SAME eccentric bushings on BOTH sides.
12
0.5
3. BALL DIFFERENTIAL
IMPORTANT
375090-O
SHIM 6.4x8.4x1.0
DETAIL
The axle must have a VERY small
amount of side play. If there is no
side play, the axle may bind and
damage the ball-bearings.
Use additional shims to widen the rear
track-width. Use the same shims on both sides.
For initial assembly use 6.4x8.4x1mm shims.
908258
SCH M2.5x8
3.2mm 3.0mm
930130
B 3.1
8.0mm
930138
7.8mm
Diff Grease
(HUDY #106211)
BA 3x8
NOTE
ORIENTATION
Diff Grease
Diff Grease
(HUDY #106211)
941438
BB 1/4“x3/8“x1/8“
NOTE
ORIENTATION
OIL
296530-O
Bearing Oil
(HUDY #106230)
ALU N M3
IMPORTANT
963030
NOTE
ORIENTATION
This nut affects the tightness and stiffness of the rear differential. Tighten the nut gently so the diff
does not slip under power, but do not overtighten or the diff balls and/or plates may be damaged.
NOTE
ORIENTATION
OIL
Bearing Oil
(HUDY #106230)
ST 3x8
SB M3x4
981214
P 2x14
1.5 mm
DETAIL STEP
901304
CUTAWAY VIEW
DETAIL
Thread the set-screw
deep enough into the
wheel adaptor so it does
not protrude.
Tighten fully.
NOTE
ORIENTATION
DETAIL
13
4. CENTER SHOCK
SPRINGS
308092
308352-O
#308373 C = 2.2 (2)
308082
308331
#308374 C = 2.4 (2)
308036
303241
#308375 C = 2.6 (2)
308363
965023
#308376 C = 2.8 (2)
303123-O
#308377 C = 3.0 (2)
1.1mm
1.2mm
1.3mm
1.1mm
1.2mm
1.3mm
#308378 C = 3.2 (2)
972030
#308379 C = 3.4 (2)
308327-O
308322
308040-O
308036
970121
308331
308373
308316
303123-O
303241
30 3123-O
30 3241
30 8036
30 8040-O
30 8082
30 8092
30 8306-O
30 8316
30 8322
BAG
04
ALU SHIM 3x6x2.0MM - ORANGE (10)
PIVOT BALL UNIVERSAL 5.8 MM WITH HEX (4)
COMPOSITE NON-ADJUSTABLE PISTONS - DELRIN - V3
SHOCK ADJ. NUT ALU + O-RING - ORANGE (4)
T4 SHOCK ABSORBER MEMBRANE (4)
T4 SHOCK FOAM INSERT (4)
XRAY ALU SHOCK ABSORBER-SET - ORANGE (2)
SHOCK BALL JOINT - OPEN (4)
ALU XRAY SHOCK BODY FOR #308306 (2)
30 8327-O
30 8331
30 8352-O
30 8363
30 8373
96 5023
97 0121
97 2030
ALU CAP FOR XRAY SHOCK BODY #308322 - ORANGE (2)
COMPOSITE FRAME SHOCK PARTS 4-STEP - SHORT
ALU SHOCK CAP-NUT WITH VENT HOLE - ORANGE (2)
HARDENED SHOCK SHAFT FOR ALU SHOCKS (2)
XRAY SPRING-SET C=2.2 (2)
E-CLIP 2.3 (10)
O-RING 12.1 x 1.6 (10)
SILICONE O-RING 3x2 (10)
INITIAL SETTING
965023
C 2.3
3 HOLE (1.2mm)
SHOCK OIL
cutaway view
DETAIL
➊
970121
O 12.1x1.6
SHOCK OIL
SHOCK OIL
Be careful not to cross-thread
the collar on the shock body.
➋
NOTE ORIENTATION
DETAIL
972030
O 3x2
SHOCK OIL
DETAIL
1mm
14
INCORRECT
CORRECT
HINT: Pre-thread the ball joint
using an M3 screw. WARNING! Be
careful not to pre-thread too far,
since the ball joint may split or the
plastic threads may strip out.
4. CENTER SHOCK
SHOCK OIL
CENTER SHOCK OIL ADJUSTMENT
(600cSt INITIAL SETTING)
SOFTER oil
Recommended for bumpy
and low-traction tracks,
generates more traction.
➊ Fully extend the piston rod so the piston is at the bottom of the shock body.
➋ Hold the shock upright and slightly overfill the shock body with shock oil.
➌ Let the oil settle and allow air bubbles to rise to the top. Slowly move the piston up
and down until no more air bubbles appear. Add shock oil as necessary.
➍ Pull the piston rod most of the way out of the shock body. Let the shock rest for 5
➊
minutes to allow the air bubbles to escape.
HUDY SHOCK OILS
#106335 350cSt
#106340 400cSt
#106345 450cSt
#106350 500cSt
#106355 550cSt
#106360 600cSt
#106370 700cSt
#106380 800cSt
➌
HARDER oil
Recommend for flat and
higher traction tracks,
improves steering response.
When installing the shock cap assembly on the shock body,
some oil will leak out... this is normal.
Fully tighten the cap and clean off any excess oil.
After the shock is assembled, the shock rod will push itself
out of the shock body fairly quickly.
Follow the next procedure to adjust the rebound.
REBOUND ADJUSTMENT
RELEASE
2-3 turns
➊
➋
rebound check
TIGHTEN
fully
➌
25%
50%
75%
0%
100%
DETAIL
It is very important to push the shock shaft into the shock body slowly otherwise air can come
into the shock body which would create bubles.
After the shock is assembled you have to set the shock rebound.
➊Release the shock cap by 2-3 turns.
➋Push the shock shaft fully up. For the first
time the extra oil will release through
the hole in the alu cap-nut.
➌Tighten the shock cup. When tightening
the shock cap, extra oil will again release
through the hole in the alu cap - nut.
When tightening, the shock shaft will push
out from the shock body.
100%
75%
50%
25%
0%
rebound - repeat step 2 and 3 two - three times
rebound - repeat step 2 and 3 until the shock shaft will push out 75% of its length
rebound - repeat step 2 and 3 until the shock shaft will push out 50% of its length
rebound - repeat step 2 and 3 until the shock shaft will push out 25% of its length
rebound - repeat step 2 and 3 until the shock shaft will push out 0% of its length
If the shock shaft does not rebound enough, you will have to refill the shock with shock oil, and
then repeat the bleeding and rebound adjustment procedure.
DETAIL
DOWNSTOP ADJUSTMENT
The length of the shock absorber
affects the amount of rear downstop.
To adjust, thread the ball joint on or
off the shock shaft.
NOTE ORIENTATION
DETAIL
3x6x2mm
303123-O
SHIM 3x6x2
65mm
3x6x2mm
15
4. SIDE SHOCK
971022
378110
378110
378110
970050
965015
965015
378160
378120
378010
901303
971022
378030-O
378110
378170-O
BAG
04.1
965015
37 8010
37 8030-O
37 8100
37 8110
37 8120
37 8160
COMPOSITE SHOCK PARTS - FRAME
ALU SHOCK BODY CAP - LOWER - ORANGE
SIDE SHOCK ABSORBER SET
COMPOSITE SIDE SHOCK PARTS - FRAME
ALU SIDE SHOCK BODY - HARDCOATED
SIDE SHOCK SHAFT
37 8170-O ALU SIDE SHOCK COLLAR - ORANGE
90 1303
96 5015
97 0050
97 1022
Carefully remove the shock piston from the
frame, and remove all excess plastic flash
C 1.5
971022
O 2x2
OIL
Shock Oil
16
HEX SCREW SB M3x3 (10)
E-CLIP 1.5 (10)
O-RING 5x1 (10)
SILICONE O-RING 2x2 (10)
4. STEERING
SIDE SHOCK OIL ADJUSTMENT
NOTE
ORIENTATION
SHOR
T
LONG
SOFTER oil
Improves traction, use for low-traction
and bumpy tracks.
HARDER oil
Improves stability and steering response,
use for high-traction and flat tracks
OIL
Shock Oil
HUDY SHOCK OILS
#106335 350cSt
#106340 400cSt
#106345 450cSt
#106350 500cSt
#106355 550cSt
#106360 600cSt
#106370 700cSt
#106380 800cSt
#106390 900cSt
#106410 1000cSt
971022
O 2x2
Oil 600cSt
Oil 600cSt
970050
O 5x1
approx.
3mm
from top
1/3
Extend the shock shaft
completely. Fill the shock
shaft body with the shock
oil, but only 1/3 full.
Slowly move the shock shaft
up so the shock oil flows
under the shock piston.
Extend the shock shaft.
Extend the shock shaft
completely to release the air
trapped beneath the shock
piston. Fill the shock shaft
body with shock oil, but not
fully. The oil level should be
approx. 3mm from the top of
the shock body.
1) Install the 5x1 O-ring
onto the shock shim.
2) Place the shock shim
(with O-ring) into the shock body
3) Insertl the 2x2 O-ring into the
shock cap.
4) Install the shock cap.
Fully thread the shock cap
into the filled shock body.
Excess oil will spill from the
shock. Tighten completely.
901303
SB M3x3
NOTE ORIENTATION
17
5. FINAL ASSEMBLY
STEERING SERVO
(not included)
302665
306200-O
902306
305968~306000
(not included)
902308
902308
903306
303211-O
302665
362651
362650
302612-O
306310
MOTOR
(not included)
302663
306301
903308
902308
372503
372503
940508
FROM SERVO
362650
303127-K
373511-K
372503
372540
940508
376364-O
372550-O
903306
371320
902306
371320
309400
981210
WHEELS & TIRES
(not included)
LiPo BATTERY
(not included)
309400
306219
960040
902310
376130
RECEIVER
(not included)
338586
379700
SPEED CONTROLLER
(not included)
940510
940510
902205
960040
WHEELS & TIRES
(not included)
903306
960040
903412
371201
371250
BAG
18
30 2612-O ALU ADJ. TURNBUCKLE M3 L/R 39 MM - ORANGE - SWISS 7075 T6 (2)
30 2663 COMPOSITE BALL JOINT 4.9MM - OPEN - V2 (8)
30 2665 COMPOSITE BALL JOINT 4.9MM - CLOSED WITH HOLE (4)
30 3127-K ALU SHIM 3x6x4.0MM - BLACK (10)
30 3211-O ALU ADJ. TURNBUCKLE L/R 30 MM - SWISS 7075 T6 (2)
305968~306000 PINION GEAR HARDCOATED 18~50T/64P (OPTION)
30 6200-O ALU SERVO MOUNT - ORANGE (2)
30 6219 COMPOSITE SET OF SERVO SHIMS (4)
30 6301 ANTENNA MOUNT - THIN
30 6310 ANTENNA (2)
30 9400 BODY CLIP (8)
33 8586 SHIM 5x7x0.5 (10)
36 2650 BALL END 4.9MM WITH THREAD 6MM (2)
36 2651 BALL END 4.9MM WITH THREAD 8MM (2)
37 1201 X1 COMPOSITE FRONT BUMPER
37 1250 X1 LEXAN FRONT SPOILER (2)
37 1320 COMPOSITE BODY POST (2)
37 2503 COMPOSITE SERVO SAVER - X-STIFF - SET - V2
37 2540
37 2550-O
37 3511-K
37 6130
37 6364-O
37 9700
X1 COMPOSITE STEERING ARM
X1 ALU STEERING PIVOT SHAFT
X1 COMPOSITE REAR WING - BLACK
COMPOSITE LiPo BATTERY BACKSTOP (2)
ALU MOUNT 10.8MM - ORANGE (2)
XRAY X1 BODY FOR 1/10 FORMULA
90 2205
90 2306
90 2308
90 2310
90 3306
90 3308
90 3412
94 0508
94 0510
96 0040
98 1210
HEX SCREW SH M2x5 (10)
HEX SCREW SH M3x6 (10)
HEX SCREW SH M3x8 (10)
HEX SCREW SH M3x10 (10)
HEX SCREW SFH M3x6 (10)
HEX SCREW SFH M3x8 (10)
HEX SCREW SFH M4x12 (10)
HIGH-SPEED BALL-BEARING 5x8x2.5 RUBBER SEALED (2)
HIGH-SPEED BALL-BEARING 5x10x4 RUBBER SEALED (2)
NUT M4 (10)
PIN 2x10 (10)
5. FINAL ASSEMBLY
2x
x4
left thread
left thread
right thread
57.5 mm
right thread
57.5 mm
SERVO LINK
Adjust servo link to fit your servo
right thread
left thread
63mm
The steering arm has two position for servo
linkage mounting.
303127-K
8mm THREAD
SHIM 3x6x4
OIL
902306
SH M3x6
BEARING OIL
INNER position: Makes the car more responsive.
OUTER position: Makes the car easier to drive.
These shims adjust the horizontal
angle of the steering linkages.
When thicker shims are used here,
in-corner steering increases, but the
car becomes more difficult to drive.
3x6x4mm
6mm THREAD
INITIAL SETTING
940508
BB 5x8x2.5
OIL
BEARING OIL
There are two Ackermann positions on the
steering arm.
INNER position: Less Ackermann, makes the car
more responsive, improves in-corner steering.
OUTER position: More Ackermann, makes the
car easier to drive, improves cornering speed.
19
5. FINAL ASSEMBLY
903306
SFH M3x6
6mm THREAD
902308
SH M3x8
FROM SERVO
H = Hitec
F = Futaba, Robe
K = KO, JR, Airtronics, Sanwa
DETAIL
Initial Setting
ALUMINUM SERVO HORNS:
For more in-corner steering and better steering response, an aluminum servo
horn may be used. In this situation, the steering servo saver is NOT used.
HUDY ALU SERVO HORNS
#293491 KO, JR, Sanwa, Airtr. - OFFSET - 23T
#293501 KO, JR, Sanwa, Airtronics - 23T
#293492 Hitec - OFFSET - 24T
#293502 Hitec - 24T
#293493 Futaba - OFFSET - 25T
#293503 Futaba - 25T
Important!
Using an aluminum servo horn increases the risk of servo breakage in serious crashes.
20
5. FINAL ASSEMBLY
903306
SFH M3x6
2x
L=R
DETAIL
NOTE ORIENTATION
21
5. FINAL ASSEMBLY
306219
SHIM 3x6x2
902310
SH M3x10
3x6x2mm
981210
P 2x10
903412
SFH M4x12
960040
N M4
22
5. FINAL ASSEMBLY
902308
SH M 3x8
PINION GEARS ALU HARDCOATED
Motor
(not included)
Pinion with set-screw
(not included)
901302
SB M3x2.5
DETAIL
Adjust the gear mesh so there
is appropriate space between
the spur gear and pinion
teeth. There should be a very
small amount of freeplay.
#305968
18T / 64P (option)
#305969
19T / 64P (option)
#305970
20T / 64P (option)
#305971
21T / 64P (option)
#305972
22T / 64P (option)
#305973
23T / 64P (option)
#305974
24T / 64P (option)
#305975
25T / 64P (option)
#305976
26T / 64P (option)
#305977
27T / 64P (option)
#305978
28T / 64P (option)
#305979
29T / 64P (option)
#305980
30T / 64P (option)
#305981
31T / 64P (option)
#305982
32T / 64P (option)
#305983
33T / 64P (option)
#305984
34T / 64P (option)
#305985
35T / 64P (option)
#305986
36T / 64P (option)
#305987
37T / 64P (option)
#305988
38T / 64P (option)
#305990
40T / 64P (option)
#305991
41T / 64P (option)
#305992
42T / 64P (option)
#305994
44T / 64P (option)
#305996
46T / 64P (option)
#305998
48T / 64P (option)
#306000
50T / 64P (option)
902306
SH M3x6
These positions adjust the HEIGHT of the rear wing.
DETAIL
HIGHER wing: more rear traction, more stability
LOWER wing: higher top speed improves, improved steering response
INITIAL SETTING
23
5. FINAL ASSEMBLY
902308
SH M3x8
Receiver wire
903308
SFH M3x8
Speed controller
(not included)
Receiver
(not included)
Double-sided tape
(not included)
Double-sided tape
(not included)
24
5. FINAL ASSEMBLY
LIPO BATTERY CONFIGURATION 1
CROSS-CHASSIS ALIGNMENT: (INITIAL SETTING)
903306
SFH M3x6
Cross-chassis alignment makes the car easier to drive, and decreases
traction rolling. Recommended for high-traction carpet tracks.
Battery Pack
(not included)
The battery pack must be
angled to install or remove.
Servo
(not included)
Speed controller
(not included)
Receiver
(not included)
Fibre Tape
(HUDY #107870)
(not included)
LIPO BATTERY CONFIGURATION 2
INLINE Battery Alignment:
903306
SFH M3x6
Inline battery alignment improves the roll of the car and gives improved
steering. Recommended for asphalt and low-medium traction carpet tracks.
Battery Pack
(not included)
Servo
(not included)
Speed controller
(not included)
Receiver
(not included)
Fibre Tape
(HUDY #107870)
(not included)
25
5. FINAL ASSEMBLY
➊ Before cutting and making holes on the body, put the unpainted body on the chas-
➍ Apply paint masks as appropriate.
sis to confirm the mounting position and location for holes and cutouts.
Before cutting and making holes on the spoiler, put the unpainted spoiler on the
front bumper to confirm the mounting position and location for holes and cutouts.
➎ Paint the body using paints formulated for polycarbonate bodies.
➏ When the paint is dry, remove the masking.
➋ Before painting, wash the inside of the body with mild detergent, and then rinse
and dry thoroughly.
➐ Carefully cut out the body using appropriate scissors or cutting tools.
➌ Mask the helmet shield if you wish.
➑ When you have finished cutting, peel off the external protective films.
Body
Body Reamer (HUDY #107600)
2x Spoilers
2x Spoilers
FRONT SPOILER
338586
SHIM 5x7x0.5
Low downforce:
Use for less steering
High downforce:
Use for more steering
902205
SH M2x5
960040
N M4
94 0510
BB 5x10x4
5x7x0.5mm
2x
The shim allows to adjsust the track width
of the front suspension. Use the same
shims on both sides. Use 5x7x0.5mm shim
for initial setting.
OIL
Bearing Oil
(HUDY #106230)
26
Make sure that the wheel moves freely
after nut tightening. If not, untight the
nut a little.
SET-UP SHEET
RACE
SERVO LINK SHIMS
BUMP STEER SHIMS
TRACK
/mm
/mm
SERVO ARM
SHOCK ABSORBER
SHOCK SHIMS
/mm
SHOCK PRELOAD
/mm
/mm
SERVO ARM
SHOCK SHIMS
SHOCK LENGTH
NAME
/mm
SHOCK LENGTH
SHOCK PRELOAD
CITY /
COUNTRY
CONTACT
SERVO ARM
DATE
FRONT RIDE HEIGHT/mm
FINAL
POSITION
RACE
LENGTH /min
UPPER ARM SHIM
2.5
0
SHIM
CARPET
ASPHALT
TRACK LAYOUT
TECHNICAL
MIXED
FAST
TRACTION
LOW
MEDIUM
HIGH
TRACK SURFACE
/mm
2
/mm
TRACK
RIDE HEIGHT
1.5
SHIM
1
BEST
LAPTIME /sec
0.5
QUALIFYING
POSITION
REAR RIDE HEIGHT/mm
MID RIDE HEIGHT/mm
0.5
1
1.5
2.5
2
/mm
SHIM
/mm
CENTER SHOCK ABSORBER
LUBE
/cSt
SPRING
OIL /cSt
REBOUND /%
SHIM
SPRING
LOWER ARM SHIM
/mm
SIDE SPRING
WING SHIM
/mm
/mm
SIDE SHOCK
OIL /cSt
CAMBER
TIRES
CASTER
TIRES
3˚
ADDITIVE
6˚
9˚
12˚
1.0˚
1.5˚
2.0˚
2.5˚
ADDITIVE TIMING
FRONT
LEFT
REAR
LEFT
FRONT
RIGHT
REAR
RIGHT
ADDITIVE TREATED
AREA
TOE
OUT
/degr.
CHASSIS
BATTERY POSITION
STANDARD
INLINE
CROSS CHASSIS
DIFF SETTING
LOOSE
MEDIUM
TIGHT
1
2
3
4
1
2
3
4
ACKERMANN POSITION
ARM BRACE
YES
REAR WING POSITION
NO
GEARING
BACKSTOP
1
2
1 2
1 2
OUTER ACKERMANN
PINION /T
SPUR GEAR /T
ELECTRONICS
FINAL DRIVE RATIO
FRONT SPOILER
LOW DOWNFORCE
MOTOR
STEERING ANGLE
FRONT WIDTH SHIM
REAR WIDTH SHIM
/°
/mm
/mm
REAR WING
STANDARD
HIGH DOWNFORCE
SPEEDO
BATTERIES
BODY
COMMENTS
XRAY X1 2015 c VER. 1.0
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