Out-of Round and Taper

NOTE:
^ 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.

Crankshaft Total Indicated Runout
^ Standard (New): 0.02 mm (0.0008 inch) max.
^ Service Limit: 0.03 mm (0.001 inch)





OUT-OF-ROUND
^ 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.

Journal Out-of-Round:
^ Standard (New): 0.005 mm (0.0002 inch) max.
^ Service Limit: 0.01 mm (0.0004 inch)

TAPER
^ Measure taper at the edge 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: 0.01 mm (0.0004 inch)