Originally Posted by zen rider
I did put on a g2 throttle cam (400 SIZE) to soften the first 25% of the throttle opening as it was jerky at very low RPM. While this was really a fueling issue, the throttle cam softens the problem acceptably.
I added a Steahly flywheel weight to my two stroke KTM 300XC to mellow and add traction. As another person stated this is simple and cheap on a 2T. Not as common as it once was though.
I was able to get decent results with the powervalve adjustment/springs on the 300, did iyou try that as well?