Aluminum 9.9-15 HP Spline Drive, Thru-hub Exhaust RH

13 Spline, 3 Blades, 9 1/4" Dia., 9" Pitch

• 9.9 / 15 HP 2-Stroke, 1974 - 2005
• 8 HP 4-Stroke, 1996 - 2005
• 9.5 / 15 HP 4-Stroke, 1995 - 2001