maggdog Posted May 12, 2016 Report Share Posted May 12, 2016 I put vf4's, jetted to 290 mains and 27.5 pilots, 4th clip position needle, actually airscrew is (1 1/2 turn out)... Did 68.7mph top speed 2 things to help, 1- i don't know if is a correct setup on airscrew, so i need the correct turn out for this setup ^^^^^, elevation is 10ft sea level 2- i want to gain a little more top speed, i plain to change the rear sprocket for a fine change, i think change front sprocket is a big change so i don't wanna touch actually is a 14/41, so i take advantage change rear because it need a new sprocket maybe 40 or 39? and also request the shifting very faster I want the engine work in a balance not harder but either softer Quote Link to comment Share on other sites More sharing options...
Surfrjag Posted May 12, 2016 Report Share Posted May 12, 2016 Air screw will be a fine tune for your bike you gotta see what it wants. Go ahead to a 15 up front Quote Link to comment Share on other sites More sharing options...
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