Reply To: 1956 Johnson 30hp High Speed Tuning

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July 22, 2022 at 5:33 pm #263437
BRUCE REINHART
Participant

    Canada Member

    Another thing I would do is drop the sediment bowl on the carb and take out the filter cartridge , put the bowl back on and take it for a run at full throttle , I have had older snowmobiles that had the same  symptoms and ran great after a new filter was installed  , just another look at it