2007 Arctic Cat ATVs factory service and repair manual, Page 336Get this manual
15Rotate the V-belt and driveldriven assemblies until the V-belt is flush with the top of the driven pulley16Install the V-belt housing assembly and tighten the three cap screws securely 2Install the drive pin in the oil pump shaft; then with the drive chain around both the drive sprocket and the driven sprocket, install the driven sprocket onto the oil pump engaging the drive pinSecure with the circlipF1220
17Place the V-belt cover gasket into position; then install the cover and secure with the cap screws making sure the different-lengthed cap screws are in their proper locationTighten the cap screws to specifications