2007 Arctic Cat Four-Stroke Factory Service Manual, Page 300Get this manual
INSTALLING
9Slide the chain sprocket and clutch with the drive chain off the respective shafts and remove from the engine compartmentAccount for the rear driveshaft keyCLEANING AND INSPECTING
! NOTE: Whenever part is worn excessively, cracked, or damaged in any way, replacement is necessary
KEY 1234
Lock Washer Carriage Bolt Bearing Track Drive Assy
Drive Sprockets Driveshaft Key Chain Sprocket Lock Nut