Inspection

Crankshaft

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 crank 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 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): 0.025 mm (0.0001 in) max
Service Limit: 0.05 mm (0.002 in)