2011 Arctic Cat Prowler XT/XTX/XTZ ATV/ROV Service Manual, Page 99Get this manual
28Remove the cap screw from the end of the chain tensioner; then using flat-blade screwdriver, rotate the adjuster screw inside the tensioner clockwise until the screw bottomsCD471
31Loosen the four adjuster screw jam nuts; then loosen the four adjuster screws on the rocker arms in the valve coverCD501
NOTE: The adjuster shaft will be drawn into the tensioner as the adjuster screw is rotated clockwiseThe adjuster shaft tension will be released in step 30