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#18325
Don
Participant

    US Member
    quote Pappy:

    Fleetwin is correct. Hardly ever a worn crank bearing issue.
    The Delrin ring on those 74-76 15hp all the way up through the 35 hp. were the subject of a Service bulletin if memory serves me correct.
    The new material replacing the original ones was much better.

    yes, many bulletins, and changes in materials/lube procedures. Those del rin plastic bushings should be considered a wear item and replaced everytime the mag plate is removed.
    There were also very expensive kits for engines with worn crankcase mag plate pilot bushings that included a new mag plate and attaching hardware.