Crankshaft: Testing and Inspection

1. Check the crankshaft journals and pins for damage, uneven wear and cracks. Also check the oil holes for restrictions. Repair or replace any defective part.






2. Using suitable micrometers, inspect for out-of-roundness and taper of the crankshaft journal and pin as shown in the illustration.
Standard value:
Crankshaft journal O.D, 59.980-60.000 mm (2.3614-2.3622 inch).
Crankshaft pin O.D, 49.980-50.000 mm (1.9677-1.9685 inch).
Wear Limits:
Maximum out of round, 0.03 mm (0.0012 inch).
Maximum taper, 0.005 mm (0.0002 inch).