2007 Arctic Cat ATVs factory service and repair manual, Page 342Get this manual
-Cam Chain Idler Shaft -Seal Washer Chain Shim 10Align the TDC line on the rotorlflywheel with the index mark on the magneto
of the chain by pulling up on the idler and rotatI, ing to the rearThe punch mark) index rib (2), and gear tooth root (3)must
align or engine damage will occurIf all three cannot be aligned, remove the idler 30) and rotate the crankshaft one turn'
and repeat step 10 14Install the proper tappet shims on the corresponding valves as noted during removing; then install the
tappets as noted during removing 11When the idler gear is properly timed, place the seal washer and cam chain idler shim
on the cam chain idler shaft; then install the shaft and tighten to specificationsPage: 342 Arctic Cat ATV 2007 -All Models