2009 Arctic Cat Prowler XTZ ATV Service Manual, Page 45Get this manual
8Install the four cylinder head cap screws with washersTighten only until snug GZ130
NOTE: At this point, oil the camshaft bearings, cam lobes, and the three seating journals on the cylinder
9Loosely install the five cylinder head nuts10In crisscross pattern, tighten the four cylinder head cap screws (from step 8) to 38 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) securelyNOTE: If both cylinders have been removed, repeat steps 1-10 for the remaining cylinder
13With 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, do not allow the chain and sprocket to rotate and be sure the cam lobes end up in the down position