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    mercury optimax overspeed alarm at 4000

    Hi All my 90 hp optimax gives an overspeed alarm at 4000 and goes into guardian mode some times you can push through and then the motor will run ok and be ok for the rest of the day .. No error codes are set on the ecu my mechanic cant find anything wrong Please help
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    optimax 90 compressor problem

    I have a 2004 opti 90 that has been drowned ,I purchased this engine in parts and have rebuilt it .I am having problems starting it due I think to low air pressure .The valve plate in the compressor has reeds on each side the exhaust side are open about 50 thou I think this is due to water being...
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