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Author Topic:   15-footer with Yamaha 60-HP
Binkster posted 10-12-2014 11:03 AM ET (US)   Profile for Binkster   Send Email to Binkster  
The propeller that came installed on my 1999 Yamaha 60-HP two-cycle outboard engine is a new aluminum Michigan Twister 13-3/4 x 15. Will this propeller work under normal conditions [on a Boston Whaler 15-foot boat]? The diameter seems large to me, but then I'm not familiar with this engine.--rich
EJO posted 10-13-2014 11:49 AM ET (US)     Profile for EJO  Send Email to EJO     
Only trial and error will tell.
grosseile88 posted 10-22-2014 11:12 AM ET (US)     Profile for grosseile88  Send Email to grosseile88     
Let her rip and see what kind of performance you are getting. I have a 1986 15 SUPER SPORT with a 70-HP Evinrude, and it runs a 13.25 X 17 Stiletto. I am not familiar with your particular propeller. Depending how low the engine is currently mounted on the transom, you can always play around by raising up the engine, which can be fun. Let us know.
tedious posted 10-24-2014 07:47 AM ET (US)     Profile for tedious  Send Email to tedious     
You'll probably find the aluminum Michigan Twister 13-3/4 x 15 not quite enough pitch, but give it a try. Do you have a tachometer?

Diameter of propellers is largely determined by the gearcase of the motor. If it fits, it's the right diameter; just worry about the pitch.


Binkster posted 10-25-2014 05:36 PM ET (US)     Profile for Binkster  Send Email to Binkster     
It kind of looks like a prop made for a pontoon boat. I'll try it and see how it goes. I hope mt prop guy can add 2" of pitch if it doesn't work. Its a brand new prop---for free. I will have a tach come launch time.


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