Crankshaft Inspection

Inspection
- Clean the crankshaft oil passages with pipe cleaners or a suitable brush.
- Check the keyway and threads.

Alignment





- Measure runout on all main journals to make sure the crankshaft is not bent.
- The difference between measurements on each journal must not be more than the service limit.

Out-of-Round and Taper





- Measure out-of-round at the middle of each rod and main journal in two places.
- The difference between measurements on each journal must not be more than the service limit.
- Measure taper at the edges of each rod and main journal.
- The difference between measurements on each journal must not be more than the service limit.
Journal Taper:
Standard (New): 0.005 mm (0.0002 inch) max.
Service Limit: 0.010 mm (0.0004 inch)