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  1. C

    Firing

    Ok I have a 1977 135 HP Chrysler I pulled the flywheel to check to see if the key was sheared it was good. The engine was running at half power wound up being the fuel pump diph and it w as sucking air around the pump housing . When I reassy the flywheel it was running great with new diph but...
  2. C

    Engine running at half power

    I have A 1977 chrysler 135 magnapower I replaced the sterring system and took the boat out for a run about 20 mins in the engine seemed to cut back to half power I have great spark at plugs 120 on compression my magneto has cracks coming from each contact ive cleaned the carbs replaced spark...
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