2008 Arctic Cat 366 ATV Service Manual, Page 31Get this manual

2008 Arctic Cat 366 ATV Service Manual, Page 31

Troubleshooting Problem: Engine will not start or is hard to start (Compression too low) Condition 1234567Valve clearance
12345Gas tank 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 unit defective Carburetor jets obstructed Valve
clearance out of adjustment 12345Clean plug Replace magneto Replace CDI unit Clean jets 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 12345Pistoncylinder worn Combustion chamber carbon