2003 Arctic Cat ATVs from 250cc to 500cc Service Manual, Page 523Get this manual

2003 Arctic Cat ATVs from 250cc to 500cc Service Manual, Page 523

Problem: Engine idles poorly Condition 1Valve clearance out of adjustment Remedy 1Adjust clearance 2Valve seating poor 3Valve
obstructed Problem: Exhaust smoke dirty or heavy Condition 1Oil (in the engine) overfilledcontaminated 2Piston ringscylinder
worn 3Valve guides worn 4Cylinder wall scoredscuffed 5Valve stems worn 6Stem seals defective 2Replaceservice seatsvalves
3Replace guides 4Replace armsshafts 5Replace magneto 6Replace COl unit 7Adjust gapreplace plug 8Replace ignition coil 9Adjust
float height 10Clean jets 11Adjust pilot screw Remedy 1Shift into higher geardecrease speed 2Replace springs 3Adjust timing