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  1. M

    1987 chaparral 5.7 rough idle and bog under a load

    I have a 1987 chaparral with a 5.7 mercruiser I’ve replaced fuel pump and lines as well as carburetor ga a rough time starting once it starts it will idle ok put it in gear and it bogs and has no power could this be a air idle adjustment ? Please help
  2. M

    1987 mercruiser 5.7 no power at coil

    I am trying to figure out why I don’t have power at the coil on my 1987 5.7l mercruiser motor I replaced the coil replaced the circuit breaker 50 amp the distributor cap and button the ignition sensor in the distributor and the kill switch but still no power at + side of coil when key is turned...
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