jetting questions?!!?!??

[exrider54321]

just bought a dr.d slip on and a k&n.....what should i change my jetting to....i think stock is 118...??? correct me if im wrong

[450R22]

what year quad?
what kind of pipe was that?

[ghott]

What year R?

Airbox lid on or off?

[exrider54321]

2004 with airbox lid on and dubach racing slip on

[400exrider707]

165 main, 50 pilot, move the needle down one or two clips depending on how it rides after the test run, and then adjust the air screw accordingly.

Just FYI that lid on is killing performance.