S&S Cycle Crankcase for Harley-Davidson Installation Instructions Manual

Summary of Crankcase for Harley-Davidson

  • Page 1

    Instruction 51-1255 11-29-11 copyright®, 2003, 2006, 2008, 2009 by s&s cycle, inc. All rights reserved. Printed in the u.S.A. Installation instructions: s&s ® crankcase for harley-davidson ® twin cam 88 ® engines for all s&s stock bore, 4" bore, and 4 1 / 8 " bore twin cam 88 ® engine cases with 199...

  • Page 2

    2 * non-counter balanced only. Breather fitting oil pressure switch, h-d ® 26561-99 crankcase breather & oil pressure switch location oil return fitting oil supply fitting oil return fitting oil supply fitting oil supply & return fitting locations oil supply & return fitting locations for some harle...

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    Please read these instructions thoroughly before starting work. Proceed with the installation only after they are completely understood. These instructions should be supplemented by the appropriate oem service manual for your motorcycle. Follow all safety information. Introduction s&s ® crankcase as...

  • Page 4

    Preparation and installation 1- inspection a- inspect crankcases to confirm that they are correct style and machined for correct bore size. Refer to tag wired to crankcases. B- verify that serial numbers on crankcases match numbers on packing carton and certificate of origin. Contact s&s immediately...

  • Page 5

    5 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-ring. B- seat o-ring in groove of piston jet mounting flange. C- with pinhole in the jet pointing upward, install using two t20 torx sc...

  • Page 6

    6 6- remove cover plate that was shipped on crankcase from the bottom surface of the rear motor mount. The oil line block will be installed in this location. Assemble the oil line block by installing the 90-degree fitting (s&s pn 50-8288) and the oil return fitting (s&s pn 50-0451) with o-ring (s&s ...

  • Page 7

    7 picture 7 1- block, oil line ............................................................31-0430 2- bhshcs, 5 ⁄ 16 -18 x 1 3 ⁄ 4 ...................................................50-0437 3- o-ring (10 pack) .........................................................50-8066 4- fitting, pipe, 90 degr...

  • Page 8

    B- for 1999-’05 harley-davidson ® dyna ® models oil line installation is crucial to engine life. If you are not sure that you can properly perform this operation, please contact the s&s ® tech department for a referral to a shop in your area. Note: installation instructions are based on an engine an...

  • Page 9

    9- remove the oil line retention plate, plugs and seals from the top of the engine crankcase. Remove seals from the plugs. Discard the plugs. 10- to install the oil lines (s&s pn 31-0444 and 31-0443), orient the ends and openings so they are parallel. Insert the lines through the oil line retention ...

  • Page 10

    10 1- plate ..........................................................................50-0440 2- seal ............................................................................50-8271 3- bhshcs 5 ⁄ 16 -18 x 3 ⁄ 4 ......................................................50-0438 4- washer ................

  • Page 11

    6- crankcase cylinder studs s&s ® crankcases for harley-davidson ® twin cam 88 ® engines are shipped with cylinder studs installed before assembling engine, verify that the lower collar of each stud is contacting the case deck, and that the studs are torqued to 10 ft.-lbs. A- removal 1- thread two 3...

  • Page 12

    12 replacement parts for s&s ® crankcases for harley-davidson ® twin cam 88 ® engines all reference to h-d ® part numbers is for identification purposes only. We in no way are implying that any of s&s cycle’s products are original equipment parts or that they are equivalent to the corresponding h-d ...