DRIVE TRAIN SECTION RED PART NUMBERS INDICATE NEW PARTS 7-7 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 5 Speed Parts TRANSMISSION MAINSHAFT PARTS FOR BIG TWIN 5 SPEED MAINSHAFT INNER RACE 1985/2006 74623 - (Rpls. HD 34091-85) 74629 - 1986/2006 Stay-Put Style Big Twin 2008/Later 74631 - (Rpls. HD 34091-08) 74628 - 1985/2006 (Rpls. HD 34091-85) Note: Dyna 2006 & all models 2007 must purchase HD conversion kit through HD Dealer GEAR 18T MAINSHAFT 1ST All years 72603 (Rpls. HD 35025-79B) GEAR 29T MAINSHAFT 4TH FLT & FXR 1980/1994, Softail & Dyna 1986/1995 72685 (Rpls. HD 35028-79) GEAR 27T MAINSHAFT 3RD FLT & FXR 1980/1994, Softail & Dyna 1986/1995 72683 (Rpls. HD 35027-79B) GEAR 32T MAINSHAFT 5TH Chain Drive 1980/Early 1984 72686 (Rpls. HD 35029-79) Belt Drive 1985/1990 72687 (Rpls. HD 35029-85A) FLT, FXR 1991/1994 Softail, Dyna 1991/1995 72691 (Rpls. HD 35029-91A) OIL SEAL All Models 1980/1990 72912C - 72941C - (Rpls. HD 12013A & 12022) 1991/2006 74704C - (Rpls. HD 12035) THRUST WASHER All years 72268C (Rpls. HD 6003) QUAD SEAL All Models Late 1984/2006 74712F (Rpls. HD 11165) CLUTCH KEY 1980/Early 1984 73204F (Rpls. HD 37523-15A) Late 1984/1990 72309F (Rpls. HD 37523-85) THRUST WASHER All Years 72268C (Rpls. HD 6003) SPLIT BEARING All Years 74608 (Rpls. HD 8876A) THRUST WASHER All Years 72268C (Rpls. HD 6003) FOR TRANSMISSION TOOLS SEE SECTION 10 Note: These gears are low contact gears (LCG) & will not work in conjunction with the OEM H-D high contact gear HCG found in some 1994/1995 and all 1996/Later models. So if you replace a LCG mainshaft gear in a 1994/Later HCG transmission you must also buy a matching LCG gear on the countershaft 7-7 . GEAR 23T MAINSHAFT 2ND COUNTERSHAFT 3RD FLT & FXR 1980/1994, Softail & Dyna 1986/1995 72682 (Rpls. HD 35026-79C) MAINSHAFT Chain Drive 1980/Early 1984 72033 (Rpls. HD 35042-79) Belt Drive 1985/1989 72034 (Rpls. HD 35042-85) Belt Drive 1991/2006 72039 (Rpls. HD 35042-91)
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