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Thread: Gearing for EC 2008 R1

  1. 28-02-2014, 08:16 AM #1
    Marty
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    Gearing for EC 2008 R1

    Hi guys my mates building a 08 R1 track bike, can anyone recommend what ratio to run? Stock is 17/45 / 2.64:1 afaik

    Cheers
    Marty
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  2. 28-02-2014, 10:12 AM #2
    chubb
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    JC or Mstevo
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  3. 28-02-2014, 11:47 AM #3
    Mstevo
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    Quote Originally Posted by chubb View Post
    JC or Mstevo
    my R1 is a 05 with a 5 valve motor, the 07-08's changed to 4 valves so I think it would be different, however I run 15/45
    2007 Yamaha FZ1 Championship winner (2012) (the tank)
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  4. 28-02-2014, 04:53 PM #4
    JC
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    Last race I was using 16F/ 46R and it was ok. Sunday and Monday I'll try 47R and let u know.
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  5. 28-02-2014, 05:33 PM #5
    Marty
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    Gearing for EC 2008 R1

    Thanks guys

    JC do you reckon it was a little tall or a lot?
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  6. 28-02-2014, 05:35 PM #6
    Marty
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    47 works better for keeping the wheelbase in check so I'll just tell him 16/47
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