2007 Arctic Cat ATVs 400/500/650/700 Service Manual, Page 463Get this manual

2007 Arctic Cat ATVs 400/500/650/700 Service Manual, Page 463

NOTE: ConditionRemedy marked with an asterisk () is for manual transmission models only Problem: Engine will not start or
Engine will not start or is hard to start (No fuel reaching the carburetorfuel injector) Condition Remedy Gas tank vent hose
obstructed Carburetor float valve defective Fuel hose obstructed Fuel screens obstructed Fuel pump defective Clean vent hose
Replace valve Cleanreplace hose Cleanreplace inlet screenvalve screen Replace fuel pump Problem: Engine stalls easily Condition
Spark plug fouled Magneto defective CDI unitECU defective Carburetor jetsfuel injector obstructed Valve clearance out of
adjustment Clean plug Replace magneto Replace CDI unitECU Clean jetsreplace fuel injector Adjust clearance Problem: Engine
noisy (Excessive valve chatter) Condition Valve clearance too large Valve spring(s) weakbroken Rocker armrocker arm shaft
worn Camshaft worn Valve tappets worn Adjust clearance Replace spring(s) Replace armshaft Replace camshaft Replace tappets