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| yamaha F15 prop hi, i have a 1999 yamaha F15hp 4 stroke long shaft that has a 9 1/4 10 1/2 prop on it. does anyone know what is the max size prop that i can put on it without putting to much stress on the motor just to give me a little extra top speed. say maybe a 9 1/4 11 or 12 ? p.s the motor is on a 13ft fiberglass fishing boat http://www.ahellas-boats.gr/english/images/PICT0127.JPG thanks htdawg |
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