Quote:
Frank I just bought a alumium yamaha 3 blade prop for backup.My boat is a 1973 23' CC seacraft with a 2000 yamaha 200 OX66 currently running a 3 blades yamaha prop SS (13 3/4 X 19)and I get 4900 RPM wot.My new backup prop is (14 1/4 X 17), will this prop bring up my RPMs closer to 5500 To WOT. Thanks Keith
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That should get you about 5300, see if you can go up a hole with the motor and that could get another 100 to 200 and make it run better.