2006 Arctic Cat DVX 400 Service Manual, Page 114Get this manual
8Remove the axle housing from the swing armCLEANING AND INSPECTING
1Inspect the sprocket teeth for wearIf they are worn as shown, replace the engine sprocket, rear sprocket, and drive chain as set
ATV2185
2Measure the rear axle runout as shown using blocks and dial indicatorIf the axle runout exceeds mm (0.24 in, the axle must be replacedSP319
2Clean the axle housing and inspect for cracks, elongated holes, and wear in bearing boresINSTALLING BEARINGS