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Recent content by tomcal

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    Merc 57 no power after 20 minutes of running Pops and backfires

    "Hi. Have a 1997 engine Mercru "Hi. Have a 1997 engine Mercruiser 5.7 with Thunderbolt V Ignition, 2 barrel Mercarb. Problem is the boat run perfectly for about 20-30 minutes and then starts to loss power, backfires and while not run over approx. 1200 RPM. This is very repeatable. After it...
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    Alpha1 Gen2 water pump replacement problem

    "Have replaced water pump and "Have replaced water pump and now have a problem mating lower unit to upper unit. Did not remove upper unit, only lower. There is about a 3/4 to 1 inch space between units. Appears drive spline is not going all the way into the upper unit. I don't want to rotate...
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