2 Stroke model	complete gear set	forward & pinion	reverse gear	forward bearing
40 (4-Cyl.) years 1989 and Up USA serial no. range 0C159200 and Up	11442	11452	11462	21630
40 (4-Cyl.) years 1989 and Up BEL serial no. range 9570790 and Up	11442	11452	11462	21630
45 (4-Cyl.) years 1986 USA serial no. range 5531630 and Up	11442	11452	11462	21630
45 (4-Cyl.) years 1986 AUS serial no. range 8063985 and Up	11442	11452	11462	21630
45 (4-Cyl.) years 1986 BEL serial no. range 9248006 and Up	11442	11452	11462	21630
45 (4-Cyl.) years 1986 CAN serial no. range 7143688 and Up	11442	11452	11462	21630
50 (4-Cyl.) years 1980 thru 1985 USA serial no. range 5531630 and Up	11442	11452	11462	21630
50 (4-Cyl.) years 1980 thru 1985 AUS serial no. range 8063985 and Up	11442	11452	11462	21630
50 (4-Cyl.) years 1980 thru 1985 BEL serial no. range 9248006 and Up	11442	11452	11462	21630
50 (4-Cyl.) years 1980 thru 1985 CAN serial no. range 7143688 and up	11442	11452	11462	21630
40 (3-Cyl.) years 1997 thru 1998 USA serial no. range 0G531301 and Up	11444	11454	11464	21581
40 (3-Cyl.) years 1997 thru 1998 BEL serial no. range 9973100 and Up	11444	11454	11464	21581
50 (3-Cyl.) years 1991 thru 1995 USA serial no. range 0D000750 thru 0G589999	11552	11562	11572	21541
50 (3-Cyl.) years 1991 thru 1995 BEL serial no. range 9683055 thru 9973099	11552	11562	11572	21541
50 (3-Cyl.) years 1998 USA serial no. range 0G590000 and Up	11444	11454	11464	21581
50 (3-Cyl.) years 1998 BEL serial no. range 9973100 and Up	11444	11454	11464	21581
55 (3-Cyl.) years 1996 USA serial no. range 0D000750 and Up	11552	11562	11572	21541
55 (3-Cyl.) years 1996 BEL serial no. range 9741042 and Up	11552	11562	11572	21541
60 (3-Cyl.) Non-Bigfoot years 1991 thru 1995 USA serial no. range 0D000750 and Up	11552	11562	11572	21541
60 (3-Cyl.) Non-Bigfoot years 1991 thru 1995 BEL serial no. range 9683055 and Up	11552	11562	11572	21541
60 (3-Cyl.) 3 Jaw, Rev. Clutch Bigfoot Years 1991 thru 1995 USA serial no. range 0D000750 thru 0G589999	11550	11560	11570	21820
60 (3-Cyl.) 3 Jaw Rev. Clutch Bigfoot Years 1991 thru 1995 BEL serial no. range 9683055 thru 9973099	11550	11560	11570	21820
60 (3-Cyl.) 6 Jaw Rev. Clutch Bigfoot Years 1991 thru 1995 USA serial no. range 0D000750 thru 0G589999	11555	11565	11575	21820
60 (3-Cyl.) 6 Jaw Rev. Clutch Bigfoot Years 1991 thru 1995 BEL serial no. range 9683055 thru 9973099	11555	11565	11575	21820
60 (3-Cyl.) 6 Jaw Rev. Clutch Bigfoot Years 1991 thru 1995 BEL serial no. range 9683055 thru 9973099	11555	11565	11575	21820
60 (3-Cyl.) 6 Jaw Rev. Clutch Bigfoot years 1998 USA serial no. range 590000 and Up	11555	11565	11575	21820
60 (3-Cyl.) 6 Jaw Rev. Clutch Bigfoot years 1998 BEL serial no. range 9973100 and Up	11555	11565	11575	21820
70 (3-Cyl.) 3 Jaw Rev. Clutch years 1987 USA serial no. range 0A996142 thru 0C221999	11550	11560	11570	21820
70 (3-Cyl.) 3 Jaw Rev. Clutch years 1987 BEL serial no. range 9483121 thru 9589038	11550	11560	11570	21820
70 (3-Cyl.) 6 Jaw Rev. Clutch years 1987 USA serial no. range 0A996142 thru 0C221999	11555	11565	11575	21820
70 (3-Cyl.) 6 Jaw Rev. Clutch years 1987 BEL serial no. range 9483121 thru 9589038	11555	11565	11575	21820
75 (3-Cyl.) 3 Jaw Rev. Clutch Years 1990 thru 1993 USA serial no. range 0A996142 and Up	11550	11560	11570	21820
75 (3-Cyl.) 3 Jaw Rev. Clutch Years 1990 thru 1993 BEL serial no. range 9483121 and Up	11550	11560	11570	21820
75 (3-Cyl.) 6 Jaw Rev. Clutch Years 1994 thru 1998 USA serial no. range 0A996142 and Up	11555	11565	11575	21820
75 (3-Cyl.) 6 Jaw Rev. Clutch Years 1994 thru 1998 USA serial no. range 0A996142 and Up	11555	11565	11575	21820
75 (3-Cyl.) 6 Jaw Rev. Clutch Years 1994 thru 1998 BEL serial no. range 9483121 and Up	11555	11565	11575	21820
80 (3-Cyl.) 3 Jaw Rev. Clutch years 1987 USA serial no. range 0A996142 thru 0C221999	11550	11560	11570	21820
80 (3-Cyl.) 3 Jaw Rev. Clutch years 1987 BEL serial no. range 9483121 thru 9589038	11550	11560	11570	21820
80 (3-Cyl.) 6 Jaw Rev. Clutch years 1987 USA serial no. range 0A996142 thru 0C221999	11555	11565	11575	21820
80 (3-Cyl.) 6 Jaw Rev. Clutch years 1987 BEL serial no. range 9483121 thru 9589038	11555	11565	11575	21820
90 (3-Cyl.) 3 Jaw Rev. Clutch years 1987 USA serial no. range 0A996142 and Up	11550	11560	11570	21820
90 (3-Cyl.) 3 Jaw Rev. Clutch years 1987 BEL serial no. range 9483121 and Up	11550	11560	11570	21820
90 (3-Cyl.) 6 Jaw Rev. Clutch years 1987 USA serial no. range 0A996142 and Up	11555	11565	11575	21820
90 (3-Cyl.) 6 Jaw Rev. Clutch years 1987 BEL serial no. range 9483121 and Up	11555	11565	11575	21820
100 (4-Cyl.) 3 Jaw Rev. Clutch Years 1988 thru 1993 USA serial no. range 0B209468 and Up	11556	11566	11576	21820
100 (4-Cyl.) 3 Jaw Rev. Clutch Years 1988 thru 1993 BEL serial no. range 9523034 and Up	11556	11566	11576	21820
100 High Altitude 3 Jaw Rev. Clutch