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#233316
outboardnut
Participant

    US Member

    What I am about to write is to the best of my knowledge.
    I have done some research into casting number on flywheels because
    I’m going to need a flywheel for my 12 volt electric start conversion on a 1955 25 hp RD-17
    I will be using starter bracket 376885 (has point for hood)
    These are the casting numbers that I think will work for you.
    I don’t know which ones will accept a generator belt
    ring gear 203486
    Flywheel 580190
    Flywheel 580177
    Flywheel 580336
    Flywheel 580233
    Flywheel 580285