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  1. #1

    Join Date
    Mar 2017
    Posts
    1
    Points
    4
    Level
    1

    Mini Bike Gearing **HELP**

    Where should I start for gear ratios?
    18" Tires
    8 HP motor
    Centrifugal Clutch set up 1" shaft (thinking 12 tooth)
    Rear sprocket size?? (thinking 6:1 or 7:1)

    Looking for more bottom - middle end torque.

    Let me know your thoughts

  2. #2

    Join Date
    Nov 2008
    Location
    Victoria
    Posts
    6,214
    Points
    123,057
    Level
    100
    Quote Originally Posted by AndrewMK110 View Post
    Where should I start for gear ratios?
    18" Tires
    8 HP motor
    Centrifugal Clutch set up 1" shaft (thinking 12 tooth)
    Rear sprocket size?? (thinking 6:1 or 7:1)

    Looking for more bottom - middle end torque.

    Let me know your thoughts
    What's it running now?
    Rides

    CRF88 MOD | TB 88 Kit, TB Race Head, TB CDI, Fast 50's Triples and Bars, Sano Exhaust, Taky Shock, Sik50's Extended Brake Lever, FiveO Pegs
    2012 LXR 190 Anima Race Bike|NGK Lead, NGK Iridium Plug, Zhocci Forks, Elka Shock, ProCircuit Pipe, Kehnin PE 28mm Carb, Renthal Fat Bars, Custom Miniriders.com Sticker Kit

  3. #3

    Join Date
    Feb 2007
    Location
    Mundaring, WA
    Posts
    7,722
    Points
    78,284
    Level
    100
    using this thread as no need to make a new one..

    dusted the 50 off the other day & drained the tank going to do a few commutes to work next week via yee ol bush route, stock gearing will be no good for this 25km trip so thinking of going 16/35 if that will go forward with my ass on it....




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