Mercury/Mariner, Mercruiser Sterndrive 40 HP (13 Tooth Spline) (Japan Origin Tohatsu) Yamaha 50-130 HP, 4-1/4″ Gearcase (15 Tooth Spline & Thru Hub Exhaust) Tohatsu, Nissan 60-140 HP, 4-1/4″ Gearcase (15 Tooth Spline & Thru Hub Exhaust) Honda 35-60 HP, 3-1/4″ Gearcase (13 Tooth Spline & Thru Hub Exhaust) Tohatsu, Nissan 35-50 HP, 3-1/4″ Gearcase (13 Tooth Spline & Thru Hub Exhaust) Yamaha 25-60 HP, 3-1/2″ Gearcase (13 Tooth Spline & Thru Hub Exhaust)