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yamaha won't start

  1. New 6hp Yamaha, Runs on External tank won't start on internal tank?

    Outboard Maintenance
    As the title says, I have a NEW Yamaha 6hp short shaft on my micro skiff, and while it was tested at the dealer and runs fine off an axillary tank, it's absolutely will not start on the Internal gas tank. Obviously with an external tank you have the Large priming bulb on the fuel line. The...