TW spped calculaor for RPMs
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Thread: TW spped calculaor for RPMs

  1. #1
    Senior Member SportsterDoc's Avatar
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    TW speed calculaor for RPMs

    Last edited by SportsterDoc; 03-13-2018 at 07:37 PM.
    socalnative and admiral like this.

  2. #2
    Senior Member RockyTFS's Avatar
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    This is another one, somewhat more sophisticated, and it is coming up with slightly different numbers: Gearing Commander: Motorcycle Speed, RPM, Chain & Sprockets Calculator

    All TW speedos over-read by about 6% with stock tires.
    admiral likes this.
    Rocky
    2018 TW200
    2014 BMW R1200GS LC

  3. #3
    Senior Member 1911garand's Avatar
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    My TW is calibrated like all the others - effing slow.

    I have the (4.50-18 6 ply) Kenda K270 front tire, the speedo matches the GPS almost perfectly - still too slow though.

    Thanks for the info!
    admiral likes this.
    Yamaha - 1992 TW200
    BMW - 1995 R1100GS

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