2007 Arctic Cat DVX/Utility 250 ATV Service Manual, Page 70Get this manual
Installing Left-Side Components ADrive Pulley BDriven PulleyCentrifugal Clutch Assembly CV-Belt Cover
1Install the movable drive face and drive pulley collar on the crankshaft2Open the faces of the driven pulley; then insert suitable wedge between the faces to hold them apart3Place the V-belt around the pulley and push the belt down between the pulley faces; then install the driven pulleycentrifugal clutch assembly onto the driveshaftLoop the V-belt over the drive pulley collar