S&S Cycle 124 Twin Cam Style Assembly And Installation Instructions Manual Download

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Instruction Sheet #51-1160

04-28-04

by S&S Cycle, Inc.

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: [email protected]

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 124 Twin Cam Style

Page 1: ...ctions 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 counterbal...

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 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 S S by the purchaser within the 12...

Page 3: ...d 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 engine overhauls No special tools other than those used in normal engine building operations are required NOTES Installation of a fuel injected engine in a motorcycle that was originally equipped wit...

Page 4: ...Davidson 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 origin Contact S S immediately if numbers do not match NOTE Valid certificate of origin is required for any transfer or sale of longblock assemblies Certificate of origin is required to title and lice...

Page 5: ...ting 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 drastically alter their strength and their critical properties The degree of change depends upon the temperatures reached and the duration of exposure When powder coating or otherwise processing alloy pa...

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 concern are between cases and frame motor mounts Checking clearance around and between case mounting bosses and frame is necessary to insure that crankcase rests squarely on motor mount pad and no str...

Page 7: ...ywheels 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 with sprocket shaft pointing up See Picture E3 3 Install case and Timken bearing onto shaft with appropriate tool See Picture E4 NOTE Do not use a press to install sprocket shaft bearings as this can p...

Page 8: ...motor 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 binding CAUTION Do not carry crankcase by the studs It stresses the crankcase and studs in ways they are not designed to handle Also it is easy to drop and damage the case when it is carried by the studs...

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 wristpin through piston and connecting rod secure with new retaining clips two per piston c The moly faced ring is installed in the top piston ring groove chamfer side up d The plain cast ring is in...

Page 11: ...re 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 by and oil leakage It is a one way valve that allows for the smooth passage of air through and out of the engine breathing system Installation of the S S Reed valve is optional It is not required for...

Page 12: ...es 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 ignition is not used S S recommends using electronic ignition with adjustable advance curve in S S Twin Cam Style engines Adjustable curve permits slowing rate of advance to control or eliminate pinging un...

Page 13: ...here 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 equipped 2 Re install oil tank per appropriate OEM manual 3 Install S S Oil Tank Fittings a Remove the OEM fittings from the existing oil tank transmission mounted oil tanks only b Install S S suppl...

Page 14: ...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 regular petroleum based oil It allows the required wear patterns to form on mating parts for proper break in Experience has shown that synthetic oils will not allow new parts to wear enough in the break in p...

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 lower performance engines Correct break in will assure longer engine life and will prevent unnecessary engine damage Engine damage caused by improper break in is not covered under the S S warranty 1 I...

Page 16: ...ve 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 Ignition timing and carburetor jetting are responsibilities of the customer If not thoroughly familiar with these procedures contact a professional mechanic 1 Exhaust Systems Muffled exhaust systems If yo...

Page 17: ...e 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 015 035 040 Torque Values Specification S S Suggestion Rocker box hardware 1 4 120 in lbs Loctite 243 Rocker box hardware 5 16 18 ft lbs Loctite 243 Tappet guide fasteners 120 in lbs Loctite 243 Pushr...

Page 18: ...miles 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 miles Engine Mounts Inspect every 500 miles and every 5 000 miles thereafter External Fasteners except cyl head bolts Re torque at 500 miles and every 5 000 miles thereafter 1 S S recommends that pe...

Page 19: ...ring 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 magnetic drain 50 8335 22 Baffle Plate 31 0119 23 Screw 10 24 3 8 pan head 2 required 10 Pack 50 0139 24 Dowel case alignment 2 required HD 16574 99 10 pack 50 8109 25 Oring case alignment 9 16 I D x 11 16...

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

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