The 101 Association, Inc.
For the preservation and enjoyment of 1928 to 1931 Indian Scout Motocycles
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Drive gear thrust washer dilemma

  • 06 Feb 2025 2:00 PM
    Message # 13459930

    I currently need a .150" drive gear thrust washer.  Walker has them listed, but sadly does not have any produced at the moment.  Anyone see a problem with using two thrust washers that would add up to the .150" I need?

  • 07 Feb 2025 8:19 AM
    Reply # 13460221 on 13459930
    Tim Raindle (Administrator)

    Shouldn't be a problem  thrust washerwise, but check clearance of primary case, might be close, may have to surface grind gear for clearance. What crank pin are you using?

    Last modified: 07 Feb 2025 8:20 AM | Tim Raindle (Administrator)
  • 07 Feb 2025 9:18 AM
    Reply # 13460252 on 13459930

    Actually I am not sure what pins I am using.  I sent the lower end out to a shop that has done a lot of this for Indians.  I know my flywheels were questionable and my rods were bad.  Ended up using S and S flywheels and Sport Scout rods, I believe.  I know he replaced the pins but not sure with what.  I did follow the procedure in the manual to check clearance (with cork washer removed).  I then determined that a .150 thrust washer would give me the .010" clearance I need.  Just for grins I ordered a new cork washer and noticed it was quite a bit thicker than the one that was in the drive gear, so it appears somebody sanded the one down that was in it.  I also noticed there was a small shim washer under the cork washer.  Not sure if that is normally there or not.  Any guidance for how thick that cork washer should be?

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