Question about Yamaha DT 125 R Motorcycles
I have the same problem. i have recently bought a 1998 dtr, but when we had a closer look at the engin, it wasnt worth keeping. so managed to get a 2006 engin. i fitted this. but the bike seems reallys slow. I then opend the powervalve. but the bike boggs out just as i get in to the power band. i was told to re jett the bike to a 260. so will be getting that done soon. will tell you what it goes like mate.
Posted on Sep 03, 2009
Rebuild the power valve. Baring that, move the clip on the jet needle down one notch.
Posted on Jul 28, 2009
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Posted on Jan 02, 2017
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