Service Data
Timing Sprocket and Chain
Wrap the chain around the timing sprocket.
Using a vernier calipers, measure the timing sprocket diameter with the chain.
Standard sprocket diameter (w/ chain): 51.72 mm (2.0362 inch)
Minimum sprocket diameter (w/ chain): 50.5 mm (1.988 inch)
NOTICE: When measuring the diameter, vernier calipers must be in contact with the chain roller.
If the diameter is less than minimum, replace the chain and crankshaft.