40 HP 1997-99 serial number OG531301-OG760300 (this is a direct replacement, NOT a kit.
50 HP CDM only electric start 1997-99 serial number OG531301-OG833000
75 HP 1996-00 serial number OG438000-OG850499 (for regulator with 1 red wire use 1465)
90 HP commercial only 1996-99 serial number OG438000-OPO17000
120 HP XR Sport Jet 1995-97 serial number E141089-E315900