1. Aluminum propeller for Yamaha 25~60HP
   3 1/2" Gearcase
 

2. Thru Hub Exhaust, 13 tooth spline
 

3. Size and Pitch
   Y40  12 1/4 X 9
   Y40  11 3/4 X 10
   Y40  11 5/8 X 11
   Y40  10 5/8 X 12
   Y40  11 3/8 X 12
   Y40  10 3/8 X 13
   Y40  11 1/8 X 13
   Y40  10 1/4 X 14
   Y40  11 1/4 X 14
 

4. Applicable Engine
   T25hp, F30hp (4stroke), 40hp, F40hp (4stroke), 48hp, 50hp, F50hp (4 stroke), 55hp, 60hp, F60hp