2011 Arctic Cat Prowler XT/XTX/XTZ ATV/ROV Service Manual, Page 47Get this manual
NOTE: At this point, oil the camshaft journals, cam lobes, and the three seating surfaces on the cylinder 14With the cam lobes directed down (toward the piston), maneuver the camshaftsprocket assembly through the chain and towards its seating position; then loop the chain over the sprocketNOTE: Note the position of the alignment marks on the end of the camshaftThey must be parallel with the valve cover mating surfaceIf rotating the camshaft is necessary for alignment, rotate the sprocket inside the chain until the alignment pin can be engaged in the sprocket with the camshaft properly aligned to the head
9Loosely install the five cylinder head nuts10In crisscross pattern, tighten the four cylinder head cap screws (from step 8) in 10 ft-lb increments to 40 ft-lb; then tighten the mm nut (from step 9) to 18 ft-lbUsing crisscross pattern, tighten the mm nuts (from step 9) to ft-lbTighten the two cylinder-to-crankcase nuts (from step 4) securely11With the timing inspection plug removed and the chain held tight, rotate the crankshaft until the piston is at top-dead-center12Install the rear cam chain tensioner guide into the cylinder headInstall the pivot cap screw and washer