S&S Cycle V series Assembly And Installation Manual

4 1/8" bore engines

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Instruction 51-1124
5-11-06
Copyright
©
2002, 2006
by S&S Cycle, Inc.
All rights reserved.
Printed in the U.S.A.
DISCLAIMER:
S&S parts are designed for high performance, off road, 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
all H-D part numbers and model designations are used in reference only.
S&S Cycle is not associated with Harley-Davidson, Inc.
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.
G Gasoline is extremely flammable and explosive under certain
conditions and toxic when inhaled. Do not smoke. Perform installation
in a well ventilated area away from open flames or sparks.
G If motorcycle has been running, wait until engine and exhaust pipes
have cooled down to avoid getting burned before performing any
installation steps.
G Before performing any installation steps disconnect battery to
eliminate potential sparks and inadvertent engagement of starter while
working on electrical components.
G 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.
G 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.
G Use good judgement when performing installation and operating
motorcycle. Good judgement begins with a clear head. Don't let
alcohol, drugs or fatigue impair your judgement. Start installation
when you are fresh.
G Be sure all federal, state and local laws are obeyed with the
installation.
G 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.
G Motorcycle exhaust fumes are toxic and poisonous and must not
be inhaled. Run motorcycle in a well ventilated area where fumes
can dissipate.
S&S
La Crosse, Wisconsin 54603
Phone: 608-627-1497 • Fax: 608-627-1488
Technical Service Phone: 608-627-TECH (8324)
Technical Service Email: sstech@sscycle.com
Assembly and Installation Instructions:
S&S
®
4
" Bore V-Series Engines
1
8
®
, H-D
®
, Sportster
®
, Evolution
Cycle, Inc.
®
235 Causeway Blvd.
Website: www.sscycle.com
IMPORTANT NOTICE:
Statements in this instruction sheet preceded by the following words
are of special significance.
Means there is the possibility of injury to yourself or others.
Means there is the possibility of damage to the part or motorcycle.
Other information of particular importance has been placed in italic type.
S&S recommends you take special notice of these items.
®
, and
WARRANTY:
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
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.
Because every industry has a leader
WARNING
CAUTION
NOTE
and
®

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  • Page 1 S&S Cycle, Inc. ® Instruction 51-1124 235 Causeway Blvd. 5-11-06 La Crosse, Wisconsin 54603 Copyright © 2002, 2006 Phone: 608-627-1497 • Fax: 608-627-1488 by S&S Cycle, Inc. Technical Service Phone: 608-627-TECH (8324) Technical Service Email: sstech@sscycle.com All rights reserved. Because every industry has a leader Website: www.sscycle.com Printed in the U.S.A.
  • Page 2 INTRODUCTION Pinion Bearing Roller Diameter Bearing Color Code Roller Size Total ⁄ " bore engine instructions often refer to procedures described in other S&S instructions or a Harley-Davidson Service Manual. ® ® Green These materials should be cross-referenced as necessary. S&S ®...
  • Page 3 Picture 1 Picture 2 Subtract pinion shaft bearing surface diameter from CAUTION pinion bearing race inside diameter. Failure to observe the previous instructions may result in Select range in left “Bearing Race Diameter minus engine damage not covered under warranty. Pinion Shaft Bearing Diameter”...
  • Page 4 Picture 4 Picture 3 ASSEMBLE CRANKCASE HALVES Apply coat of assembly lube to Timken ® bearing installed in Step 1. Noting solvent precautions on page 1, wipe down mating Place left side crankcase half on sprocket shaft and bearing, surfaces of crankcase halves with lacquer thinner. Remove insuring that connecting rods are in correct positions.
  • Page 5 Picture 6 Picture 7 NOTE - Because of sealed, wet primary in Harley-Davidson ® CAUTION Evolution ® models drive trains, S&S ® installs sprocket shaft seals Routing oil supply line to lowest fitting on models with oil with spring facing out. See Picture 8. tank below transmission could allow air to enter oil pump under certain circumstances, causing “air lock”, loss of Allow crankcase sealant to cure per mfr.’s instructions, then...
  • Page 6 correct Incorrect Picture 11 Picture 12 NOTE - A dab of Hylomar ® or other thin gasket sealer in corners INSTALL PINION GEAR, SPACER & NUT may be used to hold gaskets in place. Otherwise gaskets should be installed dry. With chamfer on oil pump drive gear facing in towards shoulder on pinion shaft (See Picture 14), install oil pump Install driveshaft gear key and snap ring.
  • Page 7 Picture 15 Picture 16 INSTALL BREATHER GEAR, CAMSHAFT, AND GEAR COVER Install thrust washer over end of cam and place assembly in engine. During installation, rotate engine so marks on cam Thoroughly clean and dry all parts including camshaft gear and pinion gear align. Second mark on cam gear must lockwasher and thrust washer.
  • Page 8 Picture 19 Picture 20 INSTALL LIFTERS AND LIFTER GUIDES NOTE - Unused vent hole must be plugged with #51-8330, ⁄ ”-18 NPT pipe plug. NOTE - S&S® installs HL2T (Hydraulic Lifter Limited Travel) kit in lifters in assembled and unassembled 4 ⁄...
  • Page 9 Picture 21 Picture 22 Install the oil ring support rail in the lower ring groove NOTE - Light coating of oil on head bolt threads minimizes of piston. See picture 21. friction so torque values will not be distorted. It cannot be emphasized enough that these steps must be done carefully.
  • Page 10 Picture 23 Picture 24 Insert pushrod tube O-ring washers in lifter blocks. See CAUTION Picture 23. Operating engine without sufficient clearance between valve Install O-rings in lifter blocks spring and rocker cover will cause engine damage not Install thick pushrod tube O-rings in cylinder heads. covered under warranty.
  • Page 11 Tighten lock nut. Follow the same procedure for all four push rods. NOTE - Upon initial start up after modification, HL T equipped lifters may be somewhat noisy for 10-20 miles. Install upper rocker cover, gasket, and O-ring on rocker housing.
  • Page 12 S&S ® recommends that the primary drive and housing be removed when installing this engine in order to ensure all components are in proper alignment. NOTE - Install the charging system to the crankcase as per the appropriate service manual according to the specifications for the particular model.
  • Page 13 Picture 28 Picture 29 Refer to the appropriate service manual for the torque COMPRESSION RELEASES specifications of the inner primary housing transmission mounting fasteners. Refer to included S&S Instruction Sheet #51-1065 or #51-1115 for wiring/cable routing of compression release mechanism, Tighten the four lower engine mounting fasteners to if applicable.
  • Page 14 Picture 31 Picture 30 Install carb on manifold CARBURETOR Bolt carb and insulator block to intake manifold Install Carb using two ⁄ -16 socket cap screws provided in kit. Check idle mixture and idle speed screw settings. (O-ring side of block faces manifold.) Tighten to 18 ft-lbs.
  • Page 15 Picture 32 Picture 33 Install and adjust cruise control cable, if applicable. Refer WARNING to the appropriate service manual for proper procedure. If throttle does not return to fully closed position when released, it may inadvertently stick open, causing possible AIR CLEANER ASSEMBLY &...
  • Page 16 Picture 35 Picture 36 NOTE - Air cleaner backplate screws supplied with kit have thread Check vent hose connection from front cylinder locking compound on threads. If screw without thread locking head to intake manifold. compound is used, a thread locking product such as Loctite ®...
  • Page 17 Picture 38 Picture 39 NOTE - S&S ® Cycle recommends the use of Harley-Davidson ® Check fuel needle and seat assembly. Fill gas tank with filters, part numbers 63805-80A (black), or 63796-77A just enough fuel to test system. Lean motorcycle over (chrome),or equivalent.
  • Page 18 Picture 40 Picture 41 ENGINE TUNING NOTE - If oil fails to appear at tappet screen port, verify that oil line routing is correct and that the oil tank is full to the proper Carburetor level. Remove the check-ball spring from under the cap of the shorter tower on the oil pump.
  • Page 19 S&S ® suggests the following timing specifications: CAUTION 111”- 32º (Timing mark at the right-side, or towards Pinging or ignition knock is an early sign of detonation and the rear, of the timing hole.) possible impending engine damage. Should pinging occur, 117”- 30º...
  • Page 20 Specifications for 4 ⁄ ” Bore Engines Displacement Bore Stroke Compression Ratio 111” ⁄ ” ⁄ ” 9.7:1 117” ⁄ ” ⁄ ” 10.2:1 124” ⁄ ” ⁄ ” 10.8:1 Cylinder Heads Specification Crankcase Specification Service Wear Limit Valve Guide in Head (tight) .0015”...

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