tony_dtr Posted September 8, 2008 Share Posted September 8, 2008 hi, iv got a yamaha dtr 125 1998. its got a powervalve and im waitin for a full dep exhaust system to arrive but i need more power and top speed as it only does 70 mph! gets there pretty quick tho lol. and also is fittin an air filter a good idea or not? iv heard that it is not. coz i dont want to ruin it. thanks for lookin , tony. Link to comment Share on other sites More sharing options...
Moderator Cynic Posted September 9, 2008 Moderator Share Posted September 9, 2008 hi, iv got a yamaha dtr 125 1998. its got a powervalve As in its a de-restricted full power version? Link to comment Share on other sites More sharing options...
tony_dtr Posted September 9, 2008 Author Share Posted September 9, 2008 As in its a de-restricted full power version? im not to sure but i dont fink it is. does that make a lot off diffrence? Link to comment Share on other sites More sharing options...
Moffatt Posted September 10, 2008 Share Posted September 10, 2008 i have the same bike myn will easily do 80 an ocationaly push 85 i have a full dep system but original air filter to get moor top end try increasing the size of the frount cog and take it to a dyno to have the fule and air mixture tweeked to optimize proformance Link to comment Share on other sites More sharing options...
Pedz Posted September 10, 2008 Share Posted September 10, 2008 check out the below site, lots of derestricting techniques specifically for the DTR and the guys on the forum know a lot about DT's & DTR's http://www.dtr125.net Link to comment Share on other sites More sharing options...
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