Re: Johnson 5hp TD20 ignition timing facts & figures?

Home › Forum › Ask A Member › Johnson 5hp TD20 ignition timing facts & figures? › Re: Johnson 5hp TD20 ignition timing facts & figures?

April 19, 2015 at 11:58 pm #14310
jim-moffatt
Participant

    US Member

    Test the carb check valve. It should allow air to pass through one way but not the other,