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  1. M

    Restriction Found-Thanks! Primer Ball Flat when engine at high RPM

    Update : Found the restriction in the check valve coming out of the tank. Replaced the fitting and now have good flow - thanks for the advice. marc I am nursing back a 1989 Johnson 88 SPL that has not run in several years. I put on a new primer ball and hose assembly from the tank to the...
  2. M

    Idle Speed Adjustment on 1989 88 SPL

    How do I adjust the idle speed on my Johnson 88 SPL? It is a 1989 MY engine. Is there a separate idle circuit in the carbs that can be adjusted, or do I just adjust the main throttle plates via the cable adjustment. The engine runs great at high RPM, but only idles at about 500 RPM and...
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