force 1990 90hp bayliner 17ft runabout(sizeproppitch

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PERIKO

Seaman Apprentice
Joined
Jan 25, 2007
Messages
33
i have a 1990 bayliner with the 90 hp force 2 stroke engine ,the prop on it now is a 19,its spinning,the boat mechanic told me i needed a 17 pitch,exactly what size would i need a 13 1/4 by 17 or what you recommend?i do not pull skiers or anything like that only me my wife and daughter go for rides on the boat ..??please help
 
roscoe

roscoe

Supreme Mariner
Joined
Oct 30, 2002
Messages
21,667
Re: force 1990 90hp bayliner 17ft runabout(sizeproppitch

"its spinning" as in the prop hub has spun, and it doesn't move the boat?

If so, repair or replace the prop.
Why change the pitch?

Correct prop pitch is determined by wide open throttle (wot) rpm's.
So, what were your wot rpm's before the prop failed?
You want your wot rpm's to be as close to 5400 rpm as possible.

There is some good reading in the FAQ forum, pertaining to props and rpm.
Also, there is a forum for prop questions.
 
P

PERIKO

Seaman Apprentice
Joined
Jan 25, 2007
Messages
33
Re: force 1990 90hp bayliner 17ft runabout(sizeproppitch

thanks alot
 
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