2011 Arctic Cat 366SE ATV Service Manual, Page 9Get this manual
! WARNING Always wear safety glasses when using compressed air
3Remove the spark plug; then attach the high tension lead to the plug and ground the plug on the cylinder head well away from the spark plug hole4Attach the Compression Tester KitNOTE: The engine must be warm and the battery must be fully charged for this testCC007DC
Valve Adjuster Procedure