DRIVE TRAIN SECTION RED PART NUMBERS INDICATE NEW PARTS 7-51 1 2 3 4 5 6 7 8 9 10 11 CONTENTS ELECTRICAL FRAME FRONT END CONTROL WHEEL ENGINE DRIVE TRAIN FUEL EXHAUST GENERAL REFERENCE Big Twin Clutch Parts Replacement Starter Ring Ring Gear Year Description Clutch Shell Gear Inside Diameter 1941/Early 1984 Includes weld-on starter ring gear 75100 73227 7.150” with chain final drive (remove for stamped steel primary covers) (Rpls. HD 37702-70A) (Rpls. HD 33163-65B) 1990/1993 Includes starter ring gear 75102 73228 6.448” (Rpls. HD 37707-90) Includes mounting rivets 1994/1997 Includes 102 tooth starter ring gear 75143 73328 6.458” (Rpls. HD 37707-94) Includes mounting bolts 1998/2006 Includes 102 tooth starter ring gear 75142 73329 6.618” 5 speed models (Rpls. HD 37707-98A) Includes mounting rivets Touring 2007/2010, Includes starter ring gear 75144 ------ ------ FXST 2007/2010 & Not available as a Dyna 2006/2010 replacement from factory Twin Cam models Includes starter ring gear 75145 ------ ------ 2011/2017 Not available as a replacement from factory CLUTCH PARTS FOR BIG TWIN DIAPHRAGM CLUTCH LATE 1984/1989 7-53/58 PUSHROD THRUST BEARING 74801 (Rpls. HD 37312-75) THRUST WASHER 74802 (Rpls. HD 37313-80) MAINSHAFT BEARING 72917 (Rpls. HD 9025 & 37906-84) FIBER PLATES 1998/2006 5 speed models CLUTCH SHELLS FOR BIG TWIN 1941/Early 1984 1990/1993 1994/1997 Replacement Starter Ring Gear 2006/2010 2011/2017 Twin Cam CLUTCH HUB 73309 - Sold Each (Rpls. HD 37550-84A) DIAPHRAGM CLUTCH SPRING 7-61 Diagrams reprinted courtesy of Clymer - Clymer Instruction Books available in Section 10 of this catalog. Sportster clutch shell See pg. 1-148 PUSHROD ADJUSTING SCREW Late 1984/1986 73238 (Rpls. HD 37357-84) MAINSHAFT KEY 72309F (Rpls. HD 37523-85) CLUTCH SIDE MAINSHAFT NUT 73237 - Sold Each (Rpls. HD 37496-84) CLUTCH STEEL DRIVE PLATE 73028 - Sold Each 7 required 73168 - Kit of 7 Plates (Rpls. HD 37975-84A) CLUTCH PUSHROD BEARING KIT Big Twin 10 Spring 1975/Early/1984 73913 - 73914 - CLUTCH ADJUSTER SCREW LOCK NUT 1985/2017 73203 - Sold Each (Rpls. HD 7848W) CLUTCH PUSHROD RETAINING RING 73230F (Rpls. HD 11096)
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