ALRIGHT I JUST GOT A NEW HMF FULL EXHAUST,CAM MOD, AIRBOX W FILTER. I TRIED TO START IT AND IT STARTS FOR ABOUT 30 SECONDS AND THEN STOPS. SO I STARTED IT AND HELD THE THROTTLE TO TRY TO GET IT TO WARM UP AND AS SOON AS I LET GO IT RUNS FOR A BIT BUT THENS STOPS AGAIN. I REJETTED AND I PUT IN A 175 MAIN,45 PILOT,YZ NEEDLE 5TH POS. AND 2 TURNS AIR SCREW. I ALSO RODE IT AND IT RUN PRETTY GOOD IN FIRST BUT I LIVE IN JERSEY AND THE SNOW PREVENTED ME TO REALLY HAMMER IT. BUT I WANT THE QUAD TO IDLE FOR ME. PLEASE HELP ME GUYS. THANKS.