Sprocket Wear Inspection

• Visually inspect the engine and rear sprocket teeth for wear and damage.

If the teeth are worn as illustrated, replace the sprocket, and inspect the drive chain wear (see Drive Chain Wear Inspection in the Periodic Maintenance chapter).

Worn Tooth (Engine Sprocket) [A] Worn Tooth (Rear Sprocket) [B] Direction of Rotation [C]

NOTE

If a sprocket requires replacement, the chain is probably worn also. When replacing a sprocket, inspect the chain.