2006 Arctic Cat DVX Utility 250 Service Manual, Page 138Get this manual

2006 Arctic Cat DVX Utility 250 Service Manual, Page 138

Engine Problem: Engine will not start or is hard to start (Compression too low) Condition Remedy 1234567 Valve clearance
tank vent hose obstructed Carburetor inlet needle defective Fuel hose obstructed Fuel screens obstructed Clean vent hose
Replace needle Cleanreplace hose Cleanreplace inlet screenvalve screen Problem: Engine stalls easily Condition Spark plug
fouled Magneto defective CDI unit defective Carburetor jets obstructed Valve clearance out of adjustment Clean plug Replace
magneto Replace CDI unit Clean jets Adjust clearance Problem: Engine noisy (Excessive valve chatter) Condition Valve clearance
too large Valve spring(s) weakbroken Rocker armrocker arm shaft worn Camshaft worn Adjust clearance Replace spring(s) Replace
armshaft Replace camshaft Problem: Engine noisy (Noise seems to come from piston) Condition Remedy Pistoncylinder worn Combustion
chamber carbon buildup Piston pinpiston pin bore worn Piston ringsring groove(s) worn Replaceservice pistoncylinder Clean