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    Coolant flowing out of reservoir

    I have a 1988 Mercruiser 3.7L I/O, 4 cylinder, with closed coolant system and a heat exchanger using lake water to cool the coolant. First time out this year I noticed coolant in the plastic reservoir went from half full to overflowing. A lot of coolant came out of the overflow hole in the...
  2. H

    Mysterious starting problem

    I have an 1988 Wellcraft with a MerCruiser I/O. When I turn the key to aux. all needles in gauges work. When I turn key to start the engine I hear a click and the engine begins to crank for just a 1/4 of a second. Then it stops and all gauges stop working and horn and blower stop working. It...
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