trouble witg jetting

[exrider49]

i am having ahrd time gettin my quad running better..its a 400ex with pro design pro flow kit with billet insert, stock airbox with lid on, for exhuast i have fmf powerbomb headpipe with hmf slip-on..i just recently jetted it with a dynojet stage 2..170 main, fuel mixture screw 3.5 turns out...it starts up and idles smooth but when it warms up and i go to rev it up, it cuts out then revs..it just misses when i crack the throttle but when i dont hit the throttle so hard it will rev...please help im new to jetting and workin on carbs.

[Old Head]

Need to know what lvl your at and wheres your clip on the needle? At sea lvl I run a 170 main with full system, k&n, and lid off.Thats a dyno jet main.

[red1980]

I have A high flow exhaust with aftermarket Air intake with K@N filter no air box and I have put a dyno jet stage2 kit with 140 main jet and the needle setting is The 5th from the top. The fuel mixture screw is 3 turns out. I am having problems with the throttle response and IT is bogging with throttle all the way open. Need help fast!

[exrider49]

650ft above sea level, 3rd clip position from top