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    OX66 Rpm fluctuating 3500-500 then back

    Hello; I just ran out of my warrenty on a rebuild 1999 0x66 200hp yamaha, of course. While returning from fishing this last Saturday in a heavy sea 4-5 ft chop the engine began to very suddenly fluctuate rpm's. It would go from 3500 down to 500 and then return imedietitly to 3500. It would...
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