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Date Posted: 08:56:24 08/24/03 Sun
Author: tom
Subject: Re: Won't plane
In reply to: Martin 's message, "Re: Won't plane" on 21:53:32 11/20/02 Wed

>>I have a 1996 Bayliner Jazz with a 120 mercury sport
>>jet. The motor runs smooth but the boat won't plane
>>with two people in it unless you put one in the very
>>front. I had Bayliner put a new impeller and sleeve in
>>it but it still won't plane any better. Any ideas?
>
>Exhaust gas leaking from the bottom of the boat can
>get sucked into the jet pump and cause it to cavitate.
>Check the screws holding the ride plate on and the
>gasket around the edge of this plate. The ride plate
>is the big black aluminim plate on the bottom of the
>boat. Exhaust gas can leak from the gasket around the
>outer edge of the plate or from the edge of the
>"window" in the middle of the plate where your intake
>grate is mounted. You can try some silicone sealer on
>these areas if you suspect leakage. It won't last for
>long, but will tell you if this is your problem.
I am having the same problem on a 96 sea rayder with a 120 sportjet. i am interested if the gasket fixed the problem because i recently had the intake grate replaced. the boat is new too me so i dont know if the problem was there before the grate was replaced. my rpms are about 5500 and one person has to go to the front and forget about a third in the boat.

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