20-30HP.
3" Gearcase.
20hp…1996-1997;
F25(4 stroke)…1998-2006;
2010-newer;
25hp…1980-newer;
30hp…1979-newer
Please check carefully your original brand, diameter, pitch, SPLINE TOOTH before order. If you are not sure whether you order a correct one, please feel free to contact us. We usually will response within 30 minutes. Thank you.