2010 Arctic Cat DVX 90 / 90 Utility ATV Service Manual, Page 24Get this manual
AT THIS POINT To service cylinder, see Servicing Top-Side Components sub-section
AT THIS POINT
To service center crankcase components only, proceed to Removing Left-Side Components
CAUTION
When removing the cylinder, be sure to support the piston to prevent damage to the crankcase and piston
Servicing Top-Side Components
NOTE: Whenever part is worn excessively, cracked, or damaged in any way, replacement is necessary
11Remove the cam chain tensioner pivot bolt; then remove the chain tensioner
VALVE ASSEMBLY When servicing valve assembly, inspect valve seats, valve stems, valve faces, and valve stem ends for pits, burn marks, or other signs of abnormal wearNOTE: Whenever valve is out of tolerance, it must be replaced