I'M PROP STUPID

[county436]

You guessed it im a newbie. I was out boating today when all of a sudden BAM. Well needless to say I ruined my prop. The real question is I dont have a clue of what prop size I need. I have a 1983 Johnson V4 115 hp. Any help on what size prop and pitch would be appreciated. I do use the boat for fishing and water skiing if that helps any.

 

[Trent]

Re: I'M PROP STUPID

Take it to a prop shop.. Most times they can be repaired for half the price of a new one.

 

[DJ]

Re: I'M PROP STUPID

county,<br /><br />Di you have a tachometer? Your engine should turn about 5500 rpm at wide open throttle. If your old prop did that, you need to replace it with one of the same diameter and pitch. <br /><br />Typically, every inch in pitch is worth about 200 rpm. If you find out what prop size you have now, you can figure out your optimum size from there.