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    07 mercury 90 hp 4 stroke Efi Hitting Rev Limiter

    I have a 22' pontoon boat with a mercury 90 hp 4 stroke EFI. Currently I am running the stock 13 pitch propellor and can only run about 1/2 to 3/4 throttle running 5500 to 5700 rpm at 20 mph. If I go WOT the rpms shoot up to the high 6000's. Does anyone have any idea's what I should be...
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    2007 Mercury 90 hp 4 stroke EFI Problems...

    Yesterday I took my 2007 Suncruiser trinidad 222 pontoon out for the first time (just bought it) and when I first got going at full throttle a warning buzzer went off and brought the boat down to idle, shut motor off, started right up ran great at anything under 5k rpms once i went over 5k it...
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