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S S Cycle, Inc.
&
Instruction Sheet #51-1127
14025 County Highway G Box 215
5-08-03
Viola, Wisconsin 54664
Copyright®, 2003
Phone: 608-627-2080 • Fax: 608-627-1488
Technical Service Phone: 608-627-TECH (8324)
by S&S Cycle, Inc.
Technical Service Email: sstech@sscycle.com Because every industry has a leader
All rights reserved. Printed in the U.S.A.
Website: www.sscycle.com
S&S Twin Cam Style Engine Case Instructions
1
For all S&S Stock Bore, 4" Bore, and 4 /8" Bore Twin Cam style engine
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SAFE INSTALLATION AND OPERATION RULES: IMPORTANT NOTICE: Statements in this instruction sheet preceded by the Before installing any S&S engine part, it is your responsibility following words are of special significance: to read and follow all instructions. The rules below are for your personal safety, and must be kept in mind at all times. WARNING Means there is the possibility of injury to yourself or ● Gasoline is extremely flammable and explosive under others. certain conditions, and toxic wh
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Instruction Contents: C. Kit Contents A. Introduction Crankcase with camshaft bearings and cylinder studs installed B. Additional Features Sprocket Shaft Bearings C. Kit Contents Oil Conduit Block D. Polishing, Painting, Plating, or Powdercoating S&S Crankcases S&S Reed Valve Assembly E. Preparation and Installation Hardware Package F. Replacement Parts Certificate of Origin Please read these instructions thoroughly before starting Instructions work. Proceed with the installation only after the
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can drastically alter their strength and their critical NOTE - Crankcases damaged by improper installation are properties. The degree of change depends upon the not covered under warranty. temperatures reached and the duration of exposure. When powder coating or otherwise processing alloy CAUTION - Improper alignment of engine and frame parts, S&S exposes them to a maximum temperature mounts may cause abnormal stresses resulting in of 370°F for no longer than 20 minutes. Under no damage to cra
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● If Teflon tape is used, loose tape must not enter Conduit Block crankcase or oil passages. Do not apply tape to first 2-3 threads that screw into hole. If fittings are removed or Oil tank fittings O-rings replaced be sure no tape shreds remain in holes. Tape shred could block oil passages causing restriction of oil flow. CAUTION - Restricted oil flow may result in extensive engine damage not covered under warranty. 4. Piston Jet Installation a. Apply a thin film of clean engine oil to new o-r
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CAUTION - Do not carry the crankcase by the studs. It stresses the crankcase and studs in ways they are not S&S Reed Valve assembly and wave washer designed to handle. Also, it is easy to drop and damage the case when it is carried by the studs. 8. Flywheel Assembly S&S Twin Cam style crankcases are designed to use any S&S Twin Cam style flywheel assembly, or 1999-2002 Harley-Davidson flywheel assembly. NOTE - 2003-up Harley-Davidson flywheel assemblies will not fit in S&S crankcases. For 2003
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Replacement Parts for S&S Twin Cam Style Crankcases 1 11. Bolt, camplate ⁄4"-20 x 1" SHC - 4 required 20. Plug, sump (HD#765) ....................50-8330 (10 Pack) ......................................50-0244 1. Bolt, stator 10-24 x1" SHC - 4 required 21. Plug, magnetic drain ..................50-8335 1 1 (HD#2720) (10 Pack). .....................50-0194 12. Bolt, camplate ⁄4"-20 x 1 ⁄4" SHC - 2 required 22. Baffle Plate ..................................31-0119 (10 Pack) ......................
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Because every industry has a leader
