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    90 HP Merc will not go into high RPM under load

    Have a new problem, my engine was acting up doing a surging/cutting out thing when throttled up. Replaced all filters and spark plugs, took it out and ran it WOT for about 15 minutes with no problem. Went back the next day and ran for about another 15 minutes under WOT with high RPMs and no...
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    Engine surges at higher RPMs

    Hi there I have a 1995 90 hp 3 cyl 2 stroke mercury. When coming back to the dock the other day my engine started cutting out and going back in when throttling up. I changed the fuel water separator to ensure that there was no water in the engine and this didnt help. Not quite sure what is...
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