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  1. M

    Engine dies with throttle reduction

    I own a 40hp bigfoot. When the engine is cold I have to play with the throttle to get it over 2000 rpms, but it cuts out if I back off the throttle at all. Once its warm I can just give it full throttle and it takes off, but when I thottle down it still cuts out. I have tunned the carbs per the...
  2. M

    motor will not shut off

    I have a 40 hp mercury that will not shut off. I have went threw the wiring with a meter and it all seems fine. I checked the 3 coils resistance and they meet specs. I have also replaced the ignition and ecu. Can anyone help? Jeremy
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