S&S® Cycle, Inc.
Instruction 51-1262
7-28-10
Copyright © 2006, 2008, 2009,
2010
by S&S Cycle, Inc.
S&S Cycle, Inc
®
.
14025 Cty Hwy G PO Box 215
Viola, Wisconsin 54664
Phone: 608-627-1497 • Fax: 608-627-1488
All rights reserved.
Printed in the U.S.A.
Technical Service Phone: 608-627-TECH (8324)
Technical Service Email: [email protected]
Website: www.sscycle.com
Installation Instructions for Single Bore Tuned Induction System
DISCLAIMER:
S&S parts are designed for high performance, closed course, racing
applications and are intended for the very experienced rider only. The
installation of S&S parts may void or adversely effect your factory warranty.
In addition such installation and use may violate certain federal, state, and
local laws, rules and ordinances as well as other laws when used on motor
vehicles used on public highways, especially in states where pollution laws
may apply. Always check federal, state, and local laws before modifying your
motorcycle. It is the sole and exclusive responsibility of the user to determine
the suitability of the product for his or her use, and the user shall assume all
legal, personal injury risk and liability and all other obligations, duties, and
risks associated therewith.
The words Harley®, Harley-Davidson®, H-D®, Sportster®, Evolution®, and all
H-D part numbers and model designations are used in reference only. S&S
Cycle is not associated with Harley-Davidson, Inc.
IMPORTANT NOTICE:
Statements in this instruction sheet preceded by the following words are of
special significance.
WARNING
Means there is the possibility of injury to yourself or others.
CAUTION
Means there is the possibility of damage to the part or motorcycle.
NOTE
Other information of particular importance has been placed in italic type.
S&S recommends you take special notice of these items.
WARRANTY:
SAFE INSTALLATION AND OPERATION RULES:
Before installing your new S&S part it is your responsibility to read and follow
the installation and maintenance procedures in these instructions and follow
the basic rules below for your personal safety.
••Gasoline is extremely flammable and explosive under certain conditions
and toxic when breathed. Do not smoke. Perform installation in a well
ventilated area away from open flames or sparks.
If motorcycle has been running, wait until engine and exhaust pipes
have cooled down to avoid getting burned before performing any
installation steps.
Before performing any installation steps disconnect battery to eliminate
potential sparks and inadvertent engagement of starter while working
on electrical components.
Read instructions thoroughly and carefully so all procedures are
completely understood before performing any installation steps.
Contact S&S with any questions you may have if any steps are unclear or
any abnormalities occur during installation or operation of motorcycle
with a S&S part on it.
Consult an appropriate service manual for your motorcycle for correct
disassembly and reassembly procedures for any parts that need to be
removed to facilitate installation.
Use good judgment when performing installation and operating motorcycle.
Good judgment begins with a clear head. Don’t let alcohol, drugs or fatigue
impair your judgment. Start installation when you are fresh.
Be sure all federal, state and local laws are obeyed with the installation.
For optimum performance and safety and to minimize potential
damage to carb or other components, use all mounting hardware that is
provided and follow all installation instructions.
Motorcycle exhaust fumes are toxic and poisonous and must not be
breathed. Run motorcycle in a well ventilated area where fumes can
dissipate.
••
••
••
••
••
••
••
••
All S&S parts are guaranteed to the original purchaser to be free of
manufacturing defects in materials and workmanship for a period of twelve
(12) months from the date of purchase. Merchandise that fails to conform to
these conditions will be repaired or replaced at S&S’s option if the parts are
returned to us by the purchaser within the 12 month warranty period or within
10 days thereafter.
In the event warranty service is required, the original purchaser must call or
write S&S immediately with the problem. Some problems can be rectified by
a telephone call and need no further course of action.
A part that is suspect of being defective must not be replaced by a Dealer
without prior authorization from S&S. If it is deemed necessary for S&S to
make an evaluation to determine whether the part was defective, a return
authorization number must be obtained from S&S. The parts must be packaged
properly so as to not cause further damage and be returned prepaid to S&S
with a copy of the original invoice of purchase and a detailed letter outlining
the nature of the problem, how the part was used and the circumstances at
the time of failure. If after an evaluation has been made by S&S and the part
was found to be defective, repair, replacement or refund will be granted.
ADDITIONAL WARRANTY PROVISIONS:
(1) S&S shall have no obligation in the event an S&S part is modified by any
other person or organization.
(2) S&S shall have no obligation if an S&S part becomes defective in whole or in
part as a result of improper installation, improper maintenance, improper use,
abnormal operation, or any other misuse or mistreatment of the S&S part.
(3) S&S shall not be liable for any consequential or incidental damages
resulting from the failure of an S&S part, the breach of any warranties, the
failure to deliver, delay in delivery, delivery in non-conforming condition, or
for any other breach of contract or duty between S&S and a customer.
(4) S&S parts are designed exclusively for use in Harley-Davidson® and other
American v-twin motorcycles. S&S shall have no warranty or liability obligation
if an S&S part is used in any other application.
Bracket kit for single bore tuned induction system- hardware contents and bracket styles may vary.
Single bore tuned intake kit available in natural, wrinkle black or chrome
plated finishes. Filters available in red or blue.
INSTALLATION
1- Remove the existing air cleaner and clean the carburetor or throttle body face and the cylinder head mount faces. These surfaces must be free
of any burrs or remaining gasket material, which could prevent a proper seal or fit. See Picture 1.
Picture 1
2
2- For S&S® Super E or G carburetors, remove the existing enrichment device and install the supplied S&S quarter-turn enrichment device. See
Picture 2.
Picture 2
3- Locate the bracket, three ¼” - 20 x 1/2” socket head cap screws, gasket* and shims from the bracket kit.
NOTE: A gasket is supplied for the S&S Throttle Body or E & G Carburetor. The gasket for stock Harley-Davidson® motorcycle applications is also supplied.
Select the appropriate gasket.
Some brackets have a secondary breather passage that must be connected to a breather system or capped. See Picture 3.
For S&S 41/8” V-Series carbureted engines, locate the breather hose attached to the rear cylinder head and connect it to the secondary breather hose
fitting. See Picture 4.
If the secondary breather passage is not used, cap it with the supplied 7/16” black cap. See Picture 3.
Brackets for S&S Super E & G carburetors will have a brass barb fitting on the back of the bracket. See Picture 3. Attach the supplied rubber tubing
to the brass barb fitting. See Picture 4. Route the hose under the gas tank or in an area of undisturbed air. Make sure the hose points down and
towards the rear of the motorcycle to prevent water from entering. Make sure the hose does not kink.
secondary breather fitting
brass barb fitting for carburetor venting
7/16" black cap
Picture 3
Picture 4
4- Measure and record the bracket standoff thickness using a caliper against a flat surface. If a caliper is not available then skip this step and go to
the next. See Picture 5.
Picture 5
3
5- Fasten the bracket and gasket to the carburetor or throttle body face using the three supplied ¼” - 20 x 1/2” socket head cap screws (torque to
90-110 in-lbs). There are two gaskets included in some kits. One for S&S carbs and one for stock carbs or throttle bodies. Verify that the threads
of the screws have pre-applied threadlock.
NOTE: The gasket must be positioned evenly around the S&S® Super E or G carburetor bore. If the gasket is too low then it may not seal at the bottom of
the bore and poor performance may result. See Picture 6.
Picture 6
6- The slots of the bracket standoffs must be aligned with the cylinder head mounts. If the bracket is not aligned then determine if there is
enough intake manifold flexibility to position the bracket correctly. If there is not enough flexibility then loosen the intake manifold and adjust
accordingly. See Picture 7.
NOTE: Make certain the intake manifold is fastened tightly before continuing.
Picture 7
7- Measure and record the distance from the bracket standoff outer face to the cylinder head mount face using a caliper. Calculate the required
shim thickness (shim thickness = bracket-to-head distance – bracket standoff thickness) and select the shims that are equal to, or no less than
0.020” of the calculated shim thickness. If a caliper is not available then select and test different sized shims. An assortment of shim thicknesses
are supplied with each bracket kit. Combine the appropriate shims to fill the gap between the bracket and the cylinder head mount surface.
See Picture 8.
CAUTION
If the shims used are too thick or not thick enough then damage to the intake manifold and the carburetor or throttle body may result.
This can potentially cause leaks in the system.
Picture 8
4
8- Choose the supplied bracket mounting fasteners and washers that fit your cylinder head mounts. The choices are 5/16” – 18 x 1-¼” button head
cap screws, 3/8” – 16 x 1-¼” breather screws or 1/2” – 13 x 1-¼” breather screws. Use the appropriate supplied washers for the 5/16” and 3/8” screws.
Apply a drop of blue threadlock to the selected screws. Install the screws while supporting the shims and torque to 15 ft-lbs. See Picture 9.
Picture 9
17-5098
1984-up BT
S&S single-bore EFI
Stock carb
2001-up Delphi EFI
17-5099
1984-up BT & 1986-'03 XL
S&S Super E & G
••
••
••
106-1066
X-Wedge
••
500-0016
S&S 124 V-Series or T-Series
Single-bore EFI
E & G carb
••
••
5
500-0018
1991-up XL
Stock carb
2004-up EFI
••
••
9- If the breather screws are used then the supplied breather hoses are needed. The breather hose has a 90-degree bend with one end longer
than the other. Insert the longer end onto the barb fitting of the breather screw. Insert the shorter end onto the barb fitting of the bracket. The
breather hose may need to be trimmed to fit on some applications. See Picture 10.
Picture 10
10-If the button head cap screws are used then the supplied ¼” black caps are needed. Insert the black caps onto the barb fittings of the bracket.
These caps prevent contaminants from entering the air flow to the engine. See Picture 11.
Picture 11
11-Install the supplied O-Ring into the O-Ring groove on the face of the bracket. The O-Ring may need to be stretched or compressed to fit in the
O-Ring groove. The O-Ring will increase in size when heated above room temperature. See Picture 12.
NOTE: If the O-Ring is removed from a hot engine then the O-Ring may need to cool before reinstalling it.
Picture 12
6
12.Locate the single bore tuned intake assembly, two 5/16” – 18 x 5/8” flat head socket cap screws and the two air filters with clamps. Apply a drop of
blue threadlock to the screws. Verify that the O-Ring stays in the O-Ring groove. Align the single bore tuned intake assembly and torque the
screws to 15 ft-lbs. See Picture 13.
Picture 13
13.Install the air filters and clamps onto the single bore tuned intake assembly. Press the air filters on approximately 1-inch from the tube ends.
Tighten the clamps towards the end of the air filter flange. See Picture 14.
NOTE: If the motorcycle is equipped with faring lowers then it may be necessary to remove the glove-box from the faring lowers. See Picture 15.
Picture 15
Picture 14
7
EFI Applications:
Tuning is generally not required for Electronic Fuel Injected (EFI) engines; especially for 2006 and newer closed-loop EFI systems. If tuning is required
due to other engine modifications then consult a professional tuning center.
Carburetor Applications:
It is recommended to verify that your carburetor is properly tuned. For S&S® Super E or G carburetors follow the S&S® Quick Tuning Guide below. If
you have a stock carburetor then consult the appropriate service manual.
S&S® Super E & G Carburetor Tuning Guide:
6- Overflow Tube Fitting
7- Fuel Inlet
8- Bowl Vent Hole
9- Bowl Plug
3
2
13
10
8
1
4
11
5
1- Idle Speed Screw
2- Idle Mixture Screw
3- Accelerator Pump Adjustment Screw
4- Enrichment Device
5- Serial Number
6
7
12
14
10- Accelerator Pump Pushrod
11- Intermediate Jet
12- Main Jet
13- Main Jet Air Bleed
14- Auxiliary Bowl Vent Plug
9
1- Verify carburetor is set to stock settings:
a- Idle Mixture Screw, 11/4 turns from lightly seated.
b- Idle Speed Screw, ½ turn clockwise from engagement point.
c- Accelerator Adjustment Screw, two turns counter-clockwise
from seated.
2- Start bike, bring to operating temperature.
3- Set Idle Speed Adjusting Screw, clockwise to increase rpm,
counter-clockwise to decrease rpm. Idle rpm range should be 950
to 1050 rpms.
4- Adjust idle mixture by turning Idle Mixture Screw slowly clockwise
until the engine runs poorly. Slowly turn the screw counterclockwise until it runs smoothly—if you go too far the engine will
start to stumble.
5- With engine idling, turn Accelerator Adjustment Screw clockwise
until it lightly seats. Snap throttle open—engine should stumble.
Turn screw counter-clockwise ¼ or ½ of a turn at a time, until
engine responds to throttle twist with smooth, quick response.
6- Ride motorcycle in various rpm ranges, and then try to maintain
a consistent 40- to 50-mph. If the engine is popping or sneezing
in the air cleaner it can indicate a lean condition. If you notice
stumbling or sputtering it can indicate a rich condition.
7- Low rpm operation is controlled by the intermediate jet (#11) if
coughing or popping is experienced below approximately 3000
rpm’s the intermediate jet must be replaced with a larger sized
(richer) jet. If the engine is sluggish or does not want to idle
smoothly a smaller (leaner) intermediate jet needs to be installed.
Always readjust the idle mixture (#2) and idle speed (#1) screws
after making a jet change.
8- To test the Main Jet, do a roll-on from 50-mph to 70-mph in 3rd gear.
If the engine back fires or breaks up in the carb, increase the Main
Jet size .004”. If the engine is flat or will not accelerate, decrease the
Main Jet by .004”.
9- Since 2004 S&S Shorty carbs have been fitted with an adjustable
main jet air bleed (#13). Changing this jet to one of a larger size
will delay the signal to the main jet, therefore aiding with high
speed tuning as described in step 8. This also aides with tuning an
engine that is fitted with an exhaust system that is not intended
for high performance.
10- NOTE: Drag or straight pipes can prevent you from obtaining
optimum carburetor performance.
11- If the S&S teardrop air cleaner is being replaced with an aftermarket
air cleaner be sure to remove the auxiliary bowl vent screw (#14).
Never use a velocity stack on a street driven motorcycle! Poor
throttle response will be experienced.
12- Always be sure to attach the hose to the overflow tube fitting (#6)
and route it towards the back of the engine.
NOTE:
Drag or straight pipes can prevent you from obtaining optimum
carburetor performance.
If further tuning assistance is needed refer to S&S carburetor instruction
51-1012 for Super E & G series "shorty" carburetors. This instruction can
be located on the S&S website (www.sscycle.com).
••
••
8
S&S® SINGLE BORE EFI TUNED INDUCTION SYSTEM REPLACEMENT PARTS
Natural...................................................................................................... 106-4968
5. Plate, Adapter, 2.19” Single Bore Tuned Intake
Chrome Steel............................................................................................ 17-1014
Wrinkle Black.......................................................................................... 106-4969
6. FHSC 1/4-20 x 5/8”........................................................................................ 50-0433
Chrome Plated....................................................................................... 106-4970
7. FHSC 5/16-18 x 5/8”....................................................................................... 50-0432
1. Tuned Intake Kit, 2.19” Single Bore
2. Tuned Intake Assembly, 2.19” Single Bore
Natural...................................................................................................... 106-4965
8. O-Ring, Adapter Plate Bracket
35/8" O.D. x 31/2" I.D. 1/16 CS, Viton......................................................... 50-0446
Wrinkle Black.......................................................................................... 106-4966
9. Bracket Kit, 2.19” Single Bore Tuned Intake
Chrome Plated....................................................................................... 106-4967
Super E/G, S&S V124 & T124 - Chromed....................................... 106-4973
3.
Air Filter, with Clamp
Stainless Cap – Conical – 27/16" I.D. x 4"
Red (1 Each)................................................................................................. 17-1020
Blue (1 Each)................................................................................................ 17-1023
Super E/G, 1984-up BT - Chromed.................................................. 106-4974
Super E/G, 1986-'03 Sportster® - Chromed.................................. 106-4975
Single VFI, S&S V124 & T124 - Chromed........................................ 106-4976
4. Gasket, Intake – Adapter Plate
2.19” Single Bore Tuned Intake........................................................... 17-1022
Single VFI, 1984-up BT - Chromed.................................................. 106-4977
Stock carb, Delphi® EFI, 1984-up BT - Chromed......................... 106-4978
S&S X-Wedge™....................................................................................... 106-4972
Stock CV & EFI, 1991-up XL................................................................ 106-6026
ADAPTER BRACKET KITS FOR SINGLE BORE TUNED
INDUCTION SYSTEMS
10.Backplate Screw
Screw, SHC, w/Threadlock, 1/4-20 x 1/2"............................................ 106-2084
LSHC Black Oxide (X-Wedge Only)................................................. 106-0817
Fuel System
Engine/Model
Super E or G
Carburetor
S&S Single
Bore EFI
Stock
Carburetor
2001-up
Delphi® EFI
S&S X-Wedge™
N/A
106-4972
N/A
N/A
S&S V124
S&S T124
106-4973
106-4976
NA
NA
1999-up
Big Twin
106-4974
106-4977
106-4978
106-4978
15.Washer, Flat, 3/8” x 13/16” x 1/16”, Chrome.............................................. 50-7106-S
1984-'99
Big Twin
106-4974
106-4977
106-4978
NA
2004-up
Sportster®
106-6026
NA*
106-6026
106-6026
17.Shim Kit
(a) 5/16” I.D. 1984-'92 BT
1986-'90 XL models and S&S 41/8” engines..................................... 17-0314
1991-'03
Sportster
106-4975
NA*
106-6026
NA
1986-'90
Sportster
106-4975
NA*
NA
NA
11.Screw, 5/16 -18 x 11/4, BHC, Chrome.................................................... 50-0309-S
12.Flat Washer 5/16” x 1/16”............................................................................... 50-7034
13.Hose, Breather, 1/4” I.D., 90°................................................................... 19-0178
14.Screw, Breather Fitting, 3/8 -16 x 11/4”.................................................. 50-0436
16.Screw, Breather Fitting, 1/2 -13 x 1.25................................................. 50-0435
(b) 1/2” I.D. 1993-up BT, 1991-up XL models................................ 17-0464
18.Enrichment Device, S&S Super E & G carbs
(Use in place of enrichment device on air cleaner backplate)
..................................................................................................................... 11-2084
*NOTE – S&S Single bore EFI is not available for Harley-Davidson® Sportster® models.
19.Gasket, Backplate - E/G/SBEFI.......................................................... 106-1724
20.Gasket, S&S SBEFI 58mm.................................................................... 106-4662
21.Gasket, Stock carb/Throttle Body.................................................... 106-6022
17
12 15
3
16
21
19, 20
18
13
14
11
6
1
5
10
3
7
8
6
4
9
7
2
9
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