15HP 2-Stroke (13 Spline) 1974-1980
15HP 2-Stroke (13 Spline) 1981-1992
15HP 2-Stroke (13 Spline) 1993-2005
15HP 2-Stroke (Pin Drive) 1953-1956
15HP 4-Stroke (13 Spline) 1995-2001
15HP E-Tec H.O. (14 Spline) 2011-2020
Solas
