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    Suzuki 150HP EFI High Speed Problem

    Hi all, I just bought a 150HP Suzuki EFI, 1995, and when operating at high rev's (5000rpm) the engine will misfire randomly. The engine will also rev down by ~300-500rpm randomly at all speeds. I have put new gas, oil, gas lines. I have checked the fuel filter, supply and vent lines for...
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    90hp Force Mystery

    Hi I have a 1990 90HP Force and last time out started experiencing motor problems. The engine bogged down when I throttled up, and will only push my boat at 5knots. I put new gas, new plugs, and a new filter in it. I run the motor at 50:1 using 89 octane gas with octane boost in it. I also...
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