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  1. M

    no power in gear

    I have a pursuit twin engine boat with two 135hp v6 mercury's, the problem is the right engine. It<br />start's fine and rev's up to 5200 rpm with good response in nuetral, but when you put it in gear it bogs down, can't get over 2000 rpm. It's not overheating or anything like that just won't...
  2. M

    surging problems

    1993 135 hp black max surges above 4800 rpm, down to about 3800 then hunts around. Sometimes it recovers, otherwise, I have to throttle back and slowly increase the throttle, then it will maintain about 4200 rpm. I checked coils plugs and wires and there o.k.
  3. M

    1993 135 hp surging at high rpm/wot

    I have twin 135 Black Max, one engine surges at wot/ high rpm of 5300 down to about 4200, then hunts around, sometimes recovers, sometimes when I throttle back and slowly increase, it will maintain about 4500 rpm. I checked the coils, spark plugs, and wires all O.K. Carburators were rebuilt...
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