HONDA - BF 8 2000 & newer, BF 9.9 hp ('88 & Newer), BF 15 hp (All Years) BF 20 (2003 & newer), 8 tooth spline. YAMAHA - 9.9 hp 2-stroke ('84 & Newer), F9.9 4-stroke (2000-'07), 15 hp 2-stroke ('84 & Newer), F15 hp 4-stroke (2000 & newer), F20 hp 4-stroke (all years) More props available upon request