Owners Manual
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Owners Manual S&S® KN, P, and SH-Series Engines DISCLAIMER: • Consult an appropriate service manual for your motorcycle for correct S&S parts are designed for high performance, closed course, racing applications disassembly and reassembly procedures for any parts that need to be removed and are intended for the very experienced rider only. The installation of S&S parts to facilitate installation. may void or adversely effect your factory warranty. In addition such installation and • Use good judgment when performing installation and operating motorcycle. use may violate certain federal, state, and local laws, rules and ordinances as well Good judgment begins with a clear head. Don’t let alcohol, drugs or fatigue as other laws when used on motor vehicles used on public highways, especially in impair your judgment. Start installation when you are fresh. 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 • Be sure all federal, state and local laws are obeyed with the installation. user to determine the suitability of the product for his or her use, and the user shall • For optimum performance and safety and to minimize potential damage to assume all legal, personal injury risk and liability and all other obligations, duties, carb or other components, use all mounting hardware that is provided and and risks associated therewith. follow all installation instructions. The words Harley®, Harley-Davidson®, H-D®, Sportster®, Evolution®, and all H-D Motorcycle exhaust fumes are toxic and poisonous and must not be breathed. Run part numbers and model designations are used in reference only. S&S Cycle is not motorcycle in a well ventilated area where fumes can dissipate. associated with Harley-Davidson, Inc. SAFE INSTALLATION AND OPERATION RULES: WARRANTY: Before installing your new S&S part it is your responsibility to read and follow the All S&S parts are guaranteed to the original purchaser to be free of manufacturing installation and maintenance procedures in these instructions and follow the basic defects in materials and workmanship for a period of twelve (12) months from the rules below for your personal safety. 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 • Gasoline is extremely flammable and explosive under certain conditions and within the 12 month warranty period or within 10 days thereafter. toxic when breathed. Do not smoke. Perform installation in a well ventilated area away from open flames or sparks. 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 • If motorcycle has been running, wait until engine and exhaust pipes have call and need no further course of action. cooled down to avoid getting burned before performing any installation steps. A part that is suspect of being defective must not be replaced by a Dealer without • Before performing any installation steps disconnect battery to eliminate prior authorization from S&S. If it is deemed necessary for S&S to make an evaluation potential sparks and inadvertent engagement of starter while working on to determine whether the part was defective, a return authorization number must electrical components. be obtained from S&S. The parts must be packaged properly so as to not cause • Read instructions thoroughly and carefully so all procedures are completely further damage and be returned prepaid to S&S with a copy of the original invoice understood before performing any installation steps. Contact S&S with any of purchase and a detailed letter outlining the nature of the problem, how the part questions you may have if any steps are unclear or any abnormalities occur was used and the circumstances at the time of failure. If after an evaluation has been during installation or operation of motorcycle with a S&S part on it. made by S&S and the part was found to be defective, repair, replacement, or refund will be granted. OWNERS MANUAL — S&S® KN, P, AND SH-SERIES ENGINES ADDITIONAL WARRANTY PROVISIONS: Table of Contents: (1) S&S shall have no obligation in the event an S&S part is modified by any other Introduction ........................................................................................................ 2 person or organization. (2) S&S shall have no obligation if an S&S part becomes defective in whole or in part Engine Installation ...............................................................................2 as a result of improper installation, improper maintenance, improper use, abnormal operation, or any other misuse or mistreatment of the S&S part. Oil Line Hook up ........................................................................................... 2 (3) S&S shall not be liable for any consequential or incidental damages resulting from Oil Recommendations ................................................................................ 2 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 General Break-in Procedure ..................................................................... 5 or duty between S&S and a customer. Tune Up Information ...........................................................................7 (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 Super Stock Ignition System .................................................................... 7 S&S part is used in any other application. Super E & G Carburetors ............................................................................ 7 Engine Service Intervals ...........................................................................12 Engine Specifications ........................................................................13 Engine Dimensions ....................................................................................14 Torque Specifications ...............................................................................16 Specifications and Wear Limits .............................................................18 4 OWNERS MANUAL — S&S® KN, P, AND SH-SERIES ENGINES INTRODUCTION Viscosity Ambient Temperature (°F) The S&S® engine you have purchased is an air-cooled, v-twin. It is SAE 20W50 Above 30°–100° designed to offer Proven Performance® and reliability. Specifications 7 5 for both the 3 ⁄16" and 3 ⁄8" bore engines are found in this manual. We SAE 50 Above 60°–100° have covered the most popular configurations, 74ci, 80ci, 93ci, 93ci SAE 25W60 Above 80° high compression, and 103ci, based on their original S&S production SAE 60 Above 80° designs. Some changes may have been made over time as these engines have been in production for a number of years. The specifications in OIL RECOMMENDATIONS this manual are based on the most recent production specifications. S&S recommends synthetic engine oil such as S&S Premium Synthetic 20W50. However a premium petroleum based engine oil such as S&S ENGINE INSTALLATION The procedure for installing an S&S engine is basically the same as Heavy Duty 20W50 or 25W60 is acceptable. outlined in the factory service manual for the model of motorcycle the S&S recommends using S&S oil, as it has been designed specifically for engine is being installed in. However S&S engines are sometimes taller our engines. S&S motor oil has higher concentrations of anti-wear and then a stock engine so the installer must check to make sure there is corrosion additives along with high quality base stock oils that work adequate clearance between the engine and all chassis components well in the high load and high temperature environment. Optimum include the frame and fuel tanks. An upgraded clutch should also be oil temperatures are between 180–230°F if temperatures exceed considered, since the S&S engine will produce more power than the 250°F on a regular basis the addition of an oil cooler is recommended. stock engine it is replacing. Regardless of what type of oil you select, be sure to only use oil OIL LINE HOOK-UP specifically designated for use in an air-cooled motorcycle and These diagrams show how the oil lines should be hooked up for S&S select the viscosity suggested for the temperature range you will be KN-Series engines, P-Series, and SH-Series engines. operating your motorcycle in. 5 OIL LINE HOOK-UP ALT GEN, KN-KONE AND KN-SERIES 6 OWNERS MANUAL — S&S® KN, P, AND SH-SERIES ENGINES OIL LINE HOOK-UP P AND SH-SERIES 7 FUEL REQUIREMENTS BREAK-IN OIL CONSIDERATIONS. The gasoline used in your engine should have a US octane rating of Either petroleum or synthetic oil designed for air-cooled v-twin 91. The United States uses the method of octane rating. In many engines can be used during the break-in period and during normal use. countries outside the United States, the RON (Research Octane If preferred, petroleum oil can be used for the break-in period, after Number) is used, which will result in a higher octane requirement of which, the engine can be changed over to synthetic oil. about 96. BREAK-IN PROCEDURE GENERAL BREAK-IN NOTES 1. Initial start up. Run engine approximately one minute at 1250- • Remember that these are air-cooled engines. Sufficient air movement