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Instruction Sheet #51-1160

04-28-04

Copyright®, 2003

by S&S Cycle, Inc.

All rights reserved.  Printed in the U.S.A.

Because every industry has a leader

S&S Twin Cam Style Engine

Assembly and Installation Instructions

S&S Cycle, Inc.

14025 County Highway G   Box 215

Viola, Wisconsin   54664

Phone: 608-627-2080   •   Fax: 608-627-1488

Technical Service Phone: 608-627-TECH (8324)

Technical Service Email: sstech@sscycle.com

Website: www.sscycle.com

For all S&S Twin Cam style Engine Assemblies with Twin Cam style or

optional Evolution style engine mounting.

All S&S Twin Cam style Engine Assemblies are 

Type "A" style (non-counterbalanced).

Summary of Contents for Motorcycle Accessories

Page 1: ...tions S S Cycle Inc 14025 County Highway G Box 215 Viola Wisconsin 54664 Phone 608 627 2080 Fax 608 627 1488 Technical Service Phone 608 627 TECH 8324 Technical Service Email sstech sscycle com Websit...

Page 2: ...a well ventilated area where fumes can dissipate 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...

Page 3: ...include oil pump oil pressure switch cam support plate cam cover tappets tappet covers and oil filter bracket Installation can be performed by any Harley Davidson repair shop equipped to do complete...

Page 4: ...avidson Service Manual These materials should be cross referenced as necessary IMPORTANT Before proceeding verify that serial numbers on crankcases match numbers on packing carton and certificate of o...

Page 5: ...ing polishing glass bead blasting or other modification will not be covered under warranty Powder Coating Subjecting heat treated alloys such as those used in S S crankcases to excessive heat can dras...

Page 6: ...additional clearancing and shimming may occasionally be required When this style of case is solid mounted instead of rubber mounted additional care must be taken in installing the case Main areas of c...

Page 7: ...wheels in crankcase 1 Thoroughly clean parts according to instructions previously mentioned Apply coat of assembly lube to bearing surfaces 2 Place flywheel assembly onto a suitable holding fixture wi...

Page 8: ...otor oil over bearing end of connecting rod assembly and into flywheel cavity Rotate flywheels several times to distribute oil over connecting rod bearings Assembly should turn freely and without bind...

Page 9: ...9 Use tool to guide bearing rollers onto inner race Picture E9 Picture E12 Picture E10 Picture E13 Picture E11 Figure 1 Picture E7 1 2 3 4 5 6 7 8 9 Picture E8...

Page 10: ...b Lubricate wristpin wristpin bushing and wristpin bore in piston with assembly lube Raise the previously installed support ring in the lower groove to allow the wrist pin to slide in under it Install...

Page 11: ...e 6 S S Reed Valve installation The S S Reed Valve Assembly 31 2071 included with the crankcase is an effective way to control internal air pressures inside the crankcase reducing oil carry over blow...

Page 12: ...s are handled automatically by the S S IST ignition 2 Once the IST ignition has been installed per the included instruction sheet 51 1155 no other adjustments are necessary NOTES If the S S IST igniti...

Page 13: ...ere is no gas leakage at any point in the system I Oil Tank Fittings and Oil Lines 1 Oil Tank Preparation 1 Remove and flush oil tank thoroughly before installing oil lines Flush oil cooler also if so...

Page 14: ...ps CAUTION Improper installation of oil lines or fittings may result in parts damage not covered under warranty 3 Oil recommendations NOTES S S Cycle suggests that the engine be broken in using a regu...

Page 15: ...failure of exhaust pipes or mounting hardware K Initial Start Up And Engine Break In NOTE engines are designed for high performance and as such are not as tolerant of inadequate break in as stock or l...

Page 16: ...speed trailer towing or sidecar operation 5 After 1000 miles verify Ignition and fuel system settings and adjustments Change the engine oil The break in process is complete L Tuning Guidelines Ignitio...

Page 17: ...in case tight 001 003 less than 0025 Connecting Rods Specification Service Wear Limit Crankpin bearing 001 0012 002 Running clearance Piston pin fitment in rod 0005 001 002 Connecting rod side play 0...

Page 18: ...iles and every 2 500 miles thereafter Spark Plugs Champion RA8HC or equiv Inspect every 5 000 miles Replace every 10 000 miles or as needed Ignition Timing 28 deg total advance max Inspect every 5 000...

Page 19: ...ing internal spiraloc HD 35114 02 2 required 50 8160 18 Oring oil pump 11 16 I D x 15 16 O D x 1 8 CS HD 11293 50 8039 19 Switch oil pressure HD 26561 99 N A 20 Plug sump HD 765 50 8330 21 Plug magnet...

Page 20: ...Because every industry has a leader...

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