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  1. J

    1997 Johnson 9.9hp 4 stroke electric start intermittent spark

    Hello so I have a Johnson 10hp that only gets spark when I release the start button when the flywheel spins for a second after disengaging from the starter. There where a few wires that had broken and I can’t seem to find a somewhat understandable wire diagram and I can’t seem to find an answer...
  2. J

    F9.9sk losing oil pressure

    Hello this is my first post here but I’m having some real issues with this 1985 Yamaha f9.9sk. The motor had no oil pressure when I first got it so I tore it down and found a rod bearing had spun, so I bought a new rotating and installed it with all new gaskets. Now it runs and first start it...
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