ul flywheels

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  • markcoc
    New Member
    • May 2009
    • 17
    #1

    ul flywheels

    I am debating on whether to use the stepped crankpin in my 39 Ul, or having flywheels machined to take the larger (41-84) crankpins. Are the stepped pins ok?
    Anyone have any comments, ideas, or experience with this, I would like to hear from you.

    Thanks,
    Mark
    Last edited by markcoc; 01-25-2012, 09:47 PM.
    Tags: None
    • Rubone
      Senior Member
      • Aug 2004
      • 4764
      #2
      They have worked fine for 60+ years. Your results may vary!
      And be aware that Indian chief pins are even smaller!
      Robbie
      Last edited by Rubone; 01-25-2012, 10:42 PM.
      Robbie Knight Amca #2736

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        • koanes
          Senior Member
          • Apr 2003
          • 656
          #3
          Nothing to be gained if your tapers are good. Crankpin bearing surface diameter is the same as the late pin.
          Kyle Oanes AMCA # 3046

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