2001 Arctic Cat ATVs factory service and repair manual, Page 419Get this manual
Problem: Engine lacks power Condition 1Valve clearance incorrect 2Valve springs weak 3Valve timing out of adjustment 4Piston ring(s) cylinder worn 5Valve seating poor 6Spark plug fouled 7Rocker arms shafts worn 8Spark plug gap incorrect 9Carburetor jets obstructed 10Float level out of adjustment 11Air cleaner element obstructed 12Oil (in the engine) overfilled contaminated 13Intake manifold leaking air 14Cam chain worn Problem: Engine overheats Condition 1Carbon deposit (piston crown) excessive 2Oil low 3Octane low gasoline poor 4Oil pump defective 5Oil circuit obstructed 6Gasoline level (in float chamber) too low 7Intake manifold leaking air 8Coolant level low 9Fan malfunctioning 10Fan switch malfunctioning 11Thermostat stuck closed 12Radiator hoses cap damaged obstructed Remedy 1Clean piston 2Add oil 3Drain replace gasoline 4Replace pump 5Clean circuit 6Adjust float height 7Tighten replace manifold 8Fill examine system for leaks 9Check fan fuse replace fan 10Replace fan switch 11Replace thermostat 12Clear obstruction replace hoses Remedy 1Adjust clearance 2Replace springs 3Adjust timing 4Replace service rings cylinder 5Repair seats 6Clean replace plug 7Replace arms shafts 8Adjust gap replace plug 9Clean jets 10Adjust float height 11Clean element 12Drain excess oil change oil 13Tighten replace manifold 14Replace cam chain