2007 Arctic Cat Four-Stroke Factory Service Manual, Page 306Get this manual
12Using the deflection tool, remove the sheave adjuster from the end of the driven pulleyPlace the shim washers and O-ring (as noted in removing) onto the sheave adjuster; then carefully thread the sheave adjuster back into the driven pulleyTighten the adjuster securely using the deflection tool13On the Jaguar Z1, place the shim washers and O-ring (as noted in removing) onto the sheave adjuster; then install the cap screw and sheave adjuster back into the driven pulleyTighten the cap screw to 4.4 kg-m (32 ft-lb)Install the leftside access panel14Close the belt guard; then install the driven pulley plug 741-721B
8With the O-ring and shim washers removed, carefully thread the sheave adjuster back into the driven pulley; then tighten the adjuster with the deflection tool until it bottoms against the driven shaft! NOTE: By bottoming the sheave adjuster against the driven shaft, the sheaves of the driven pulley will spread far enough to allow the removal of the drive belt
! WARNING
Never operate the snowmobile without the belt guard secured in place