Home Forums Tech Talk 99 Cr125 Stock Honda Gear Ratio for Button Willow?

This topic contains 8 replies, has 4 voices, and was last updated by  FREDDY SANDOVAL 3 years, 3 months ago.

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    Can anyone please tell me what the best gear ratio is for Button Willow, and Big track at Willow Springs ( Big willow, streets of willow? )

    Need to know counter sprocket, and rear sprocket size with a 40 MM axle

    Anyhow, I need ratios for both tracks ( Button Willow, and Willow Springs )

    It’s been a real long time, and I lost my notes

    Any help will be very appreciated, Thank you.


    Jimmy McNeil

    Freddy, if running the long straight, use a 1.47

    If you run the “kink” try a 5.0 you wont use all of sixth at the end of the straight but it works pretty good in the infield .

    Hope that helps




    Awesome! Jimmy!

    Thanks for the reply

    How would the 1.47 translate into front and rear sprockets?  Front 19 or 20, and Rear at 24 teeth?


    Thank you again for the help.


    Michael LaGrone

    It will depend on your tire size but I find this works for me (2014 stock moto champion)

    Button Willow 19-24

    Willow springs 19-23

    Streets 18-23



    Thank you, Michael!
    Very good info, I really appreciate it. Very helpful
    I run 5 inch tires for the typical sprint shifter karts
    Either Bridgestone YLC’s or MG Yellow’s


    Michael LaGrone

    But after reading Jimmys post, perhaps you should listen to him he is faster than me 🙂


    fyi a 1.47 is a 17-25


    but I run a 50mm axle


    Michael LaGrone

    to get the ratio devide the large number into the small number.


    example 24/19 =1.26


    Randy McKee

    Freddy, you may already know this, but thought it worth mentioning….

    Michael and Jimmy are talking about 2 different Button willow tracks.  1.47 is for the kart track (Jimmy is the man there for sure) and Michael’s gear combo’s are all for road-racing tracks.  19-24 is for the car track at Button Willow.



    That’s what I’m talking about, as I’m planning to run a few events at the big tracks.
    What club do you guys race with? I may be seeing you soon?
    I still race here locally with the KT100’s, but I miss my shifter karts, and I really wanna do the Road Race Tracks.

    Thanks for all your input. Fast Freddy. 😉

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