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RS125 Gearing for NJMP

Discussion in '2-Stroke Machines' started by xTomKx, May 19, 2019.

  1. xTomKx

    xTomKx Well-Known Member

    What gearing do you use for rs125r on thunderbolt?


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  2. waxy

    waxy waxy

    15/37 works good
     
    xTomKx likes this.

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