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Recent content by Stratton

  1. S

    Knocking/shutter at high RPM issue - Johnson 50

    I am helping my brother with his boat because the powers that be forbade pouring any more money into it. The motor is a Johnson 50. In gear and in neutral it sputters and shakes when it’s pushed to high RPMs. Yesterday I cleaned the plug wires and it got up to plane but cut out after a few...
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