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-   -   Prop question?? (https://www.offshoreonly.com/forums/general-boating-discussion/255472-prop-question.html)

RT930turbo 06-09-2011 02:21 PM


Originally Posted by pqbenny (Post 3425507)
ok i just went a ran the boat in the driveway. I noticed gas was dribbleing out of the over flow hose down into the mechanical fuel pump. so I pulled the cover off of the fuel cooler, and under the cover there was the rubber diaphram piece that had a whole in it, so it was allowing fuel to dump out. where there overflow hose comes out. Do ya think that may have been the prob?

That could have been a contributing factor, and certainly needs fixed.

Are you sure the drive that came with the 502 is the same ratio?

Griff 06-09-2011 02:22 PM

That could be the problem. You don't have a prop issue. You have an issue with the engine not making the power it should. You should be bumping the rev limiter with the HP increase and the same prop.

pqbenny 06-09-2011 06:25 PM

ok i appreciate all the insight i am gonna put it in the water when the new diaphram is in. I am hoping it fixed!! keep ya posted!

Smarty 06-09-2011 09:02 PM


Originally Posted by Griff (Post 3425532)
That could be the problem. You don't have a prop issue. You have an issue with the engine not making the power it should. You should be bumping the rev limiter with the HP increase and the same prop.

I agree with you with diagnosis, I would bet you are on the money.


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