2008 Arctic Cat ThunderCat ATV Service Manual, Page 51Get this manual
25Rotate the crankshaft until the first cap screw (from step 17) can be addressed; then tighten to 10 ft-lbBend the tab to secure the cap screw
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 bottoms
26Place the C-rings into position in their grooves in the cylinder heads