Force 75 - 150 Horsepower, Using Mercury 4 1/4" Gearcase
Thru-Hub Exhaust and 15 Tooth Spline
**75 HP ... 1999 & Newer
**90 HP ... 1995 - 1996
*90 HP (L-Drive) ... 1990 - 1991
**120 HP (L-Drive) 1990 - 1991
**120 HP ... 1995 - 1996
*150 HP ... 1989 - 1994
150 HP (L-Drive) ... 1991
*For dual exhaust units only. Requires thrust washer 23-819057
**For all units 1995 and newer. Requires thrust washer 13191A1