2006 Arctic Cat DVX 400 Service Manual, Page 156Get this manual

2006 Arctic Cat DVX 400 Service Manual, Page 156

Engine Problem: Engine will not start or is hard to start (Compression too low) Condition Remedy 1Valve clearance out of
6Replace high tension lead Problem: Engine will not start or is hard to start (No fuel reaching the carburetor) Condition
Remedy 1Gas tank vent hose obstructed 1Clean vent hose 2Carburetor inlet needle defective 3Fuel hose obstructed 4Fuel screens
obstructed 5Fuel valve cloggeddefective 2Replace needle 3Cleanreplace hose 4Cleanreplace inlet screenvalve screen 5Cleanreplace
valve Problem: Engine stalls easily Condition 1Spark plug fouled 2Magneto defective 3CDI unit defective 4Carburetor jets
obstructed 5Valve clearance out of adjustment Remedy 1Clean plug 2Replace magneto 3Replace CDI unit 4Clean jets 5Adjust clearance
Problem: Engine noisy (Excessive valve chatter) Condition 1Valve clearance too large 2Valve spring(s) weakbroken 3Tappet(s)