[Lukeeccles]

Hello i have recently braught a 2002 gas gas ec 300 and in 1st and second gear the powervalve dosent want to kick in unless i let off then go back on the throtle. Its like its too ritch. I have had the carb off ans cleaned it an i want to set the air fuel screw back to factory settings. Its got standard exhaust does any body know how many turns it is or rougly so can get it to run right.

Cheers