2007 Arctic Cat Four-Stroke Factory Service Manual, Page 471Get this manual
4Position the shock links in the appropriate holes of the idler arm brackets (see Chassis and Skid Frame Mounting Locations in this section)Place spacer between the center of the bracketsInsert the axle links into the upper shock link eyelets; then insert the cap screw with washer through the eyeletsSecure with cap screw, washer, and lock nutTighten securely
! NOTE: Do not over-tighten the shock absorber cap screw as the shock eyelet must be free to pivot
6Grease the idler arm and rear arm grease fittings with low-temperature grease7Install the rear upper idler wheels, rear springs, and offset pivot idler (see Rear Upper Idler WheelsRear Springs in this sub-section)8Install the skid frame (see Installing Skid Frame in this sub-section)! NOTE: It is advisable to install the rear arm springs onto the adjuster blocks after the skid frame has been installed