connorstephen316 Posted September 21, 2010 Share Posted September 21, 2010 alot of people dont like the top speed of the yamaha dt125r im on my 2nd dt125 the 1st was an 89 bt ive got a 92 nw and tbh the power is less the newer the bike i found out if you strip the engine right down and put a tzr 125 2rk gearbox in its got a nice tasty pick up aswell as top speed would like to know if any1 has any other idears for tuning the good old dt125r as im really keen on the dt125s bt im waiting to strip my spare engine to bits to get my tzr gear box in hehe if any1 knows any other way of tuning please please let me know Link to comment Share on other sites More sharing options...
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