Crankshaft: Testing and Inspection

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





2. Inspect out-of-roundness and taper of crankshaft journal and pin.
Standard value:
Crankshaft journal O.D: 50 mm (1.9685 inch)
Crankshaft pin O.D: 45 mm (1.7717 inch)
Crankshaft journal, pin out-of-roundness and taper: 0.01 mm (0.0004 inch) or less.

CHECK END PLAY





After installing the bearing caps, make sure that the crankshaft turns smoothly and the end play is correct. If the end play exceeds the limit, replace crankshaft bearing.
Standard value: 0.06-0.26 mm (0.0023-0.010 inch)
Limit: 0.30 mm (0.0118 inch)