jetting and other mods ?

[porider98]

I got a hmf slip on .. gonna add a header pipe when i figure out my jetting i live in wv didint no if i pit the 160 jet in with uni airfilter and stock lid would it be the only thing in the carb i would have to change new with theses ktm engines wanna race gncc anyother mods that will make competion easier -

[Bruce!]

Welcome to the board!

[speedfreek]

Get a JD jet kit. I did and it made a huge difference. And the customer service is awesome.