2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 171Get this manual

2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 171

NOTE: At this point, oil the camshaft bearings, cam lobes, and the three seating journals on the cylinderNOTE: Note the position
sprocket are parallel with the valve cover mating surfaceNOTE: When the camshaft assembly is seated, make sure the alignment
pin in the camshaft aligns with the smallest hole in the sprocket 13With the alignment pin installed in the camshaft, loosely
place the cam sprocket (with the recessed side facing the camshaft lobes) onto the camshaft and place it into position with
the cam chain over the sprocket ! CAUTION If any of the above factors are not as stated, go back to step 13 and carefully
proceed 16Place the tab washer onto the sprocket making sure it covers the pin in the alignment hole 14Place the C-ring into
position in its groove in the cylinder headMD1363 ! CAUTION Care must be taken that the tab washer is installed correctly
to cover the alignment hole on the sprocketIf the alignment pin falls out, severe engine damage will result 17Apply red Loctite
#271 to the first cap screw securing the sprocket and tab washer to the camshaft; then install the cap screw and tab washerTighten