Re: 77 Johnson 35 problems

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July 5, 2015 at 5:44 pm #19521
Don
Participant

    US Member

    There should be a plastic threaded/spring loaded screw that threads into the lower throttle gear under the vertical throttle shaft leading up to the mag plate. Screwing the spring loaded knob/screw in or out sets the idle speed. Unfortunately, these plastic screws are usually broken/jammed.