Yamaha: 9.9 - 20 HP
2-1/2” Gearcase (8-Tooth Spline & Thru Hub Exhaust)
T8, T9 - All years
9 HP (2-Stroke) - 1984 - 2009
9 (4-Stroke) - 2000 - 2007
15 HP (2-Stroke) - 1984 - 2009
F15 (4-Stroke) - 1998 & Newer
F15 C - 2007 & Newer
F20 (4-Stroke) - 2007 - 2017
Honda: 8 - 20 HP
2-1/2” Gearcase (8-Tooth Spline & Thru Hub Exhaust)
BF 8 HP - 2000 & Newer
BF 9.9 HP - 1988 & Newer
BF 15 HP - 1991 & Newer
BF 20 HP - 2003 & Newer