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flywheel

  1. G

    R100 Years Produced - Flywheel Changes

    I'm looking into an 1980 R100...with no suffix...just an R100. I believe they were made from 1980-1984. My question relates to the engine changes made in 1981. Did they make these bikes for one year with the heavier flywheel and points and then switch to the Nikasil cylinder liner, the...
  2. T

    Lightened Flywheel

    Hi All - I have previously owned three airheads to include 2 R75s and an R100RS. All three had their flywheel lightened in an effort to improve shifting. It did seem an improvement, but not totally sure. My latest project is an ‘81 R65. I am not familiar with this shorter stroke engine, and...
    • tlangman4
    • Thread
    • flywheel lightened flywheel
    • Replies: 11
    • Forum: Airheads
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