Yamaha XV 125 Virago discussion forum:

RE: tuning help

RE: tuning help

roddy said 2010-10-03 04:54

Hello if you want to tune up your virago 125 then the first step is the main jet change from 77.5 standerd to 87.5 And change your front sprocet to 13 teeth instead of the 14 standard drop the rear to 40 tooth instead of 47 standard this improves the top speed of the bike to 65mph going up hill and alot more strenth in head winds

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