2008 Arctic Cat 400/500/650/700 ATV Service Manual, Page 42Get this manual

2008 Arctic Cat 400/500/650/700 ATV Service Manual, Page 42

Troubleshooting NOTE: ConditionRemedy marked with an asterisk () is for manual transmission models onlyProblem: Engine will
vent hose obstructed Carburetor float valve defective Fuel hose obstructed Fuel screens obstructed Fuel pump defective 12345Clean
vent hose Replace valve Cleanreplace hose Cleanreplace inlet screenvalve screen Replace fuel pump Problem: Engine stalls
easily Condition 12345Spark plug fouled Magneto defective CDI unitECU defective Carburetor jetsfuel injector obstructed Valve
clearance out of adjustment 12345Clean plug Replace magneto Replace CDI unitECU Clean jetsreplace fuel injector Adjust clearance
Problem: Engine noisy (Excessive valve chatter) Condition 12345Valve clearance too large Valve spring(s) weakbroken Rocker
armrocker arm shaft worn Camshaft worn Valve tappets worn 12345Adjust clearance Replace spring(s) Replace armshaft Replace
camshaft Replace tappets Problem: Engine noisy (Noise seems to come from piston) Condition 1234Pistoncylinder worn Combustion