ok, here is where im at;leak down test has been done, no leak, petkock clean, 260 jet, other is stock,needle in center groove, air screw 2 turns out(ive tried all other adjustments here as well),float level dead on,air filter clean, new b8es plug(ive tried b7,b8 and b9), i put it back together, cranked first kick, with choke, went for a ride after 5min, it started bogging real bad, i pulled clutch, tryed feathering throttle and it died, sat there for 3 min cussing up a storm, then started kicking, finally it started ran like a top thru all gears wide open powerban every gear like a brand new quad all way to house, what in the hell is going on?????????its got be something simple that im over looken, when it starts to run like sh*t ive tried pullen choke, dosent help, what the f*%k??!!:-/