Out-of-Round and Taper

1. Remove the crankshaft from the engine block.

1. Clean the crankshaft oil passages with pipe cleaners or a suitable brush.

1. Clean the keyway and threads.

1. 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 (0.00020 in.) max.
   Service Limit: | 0.006 mm (0.00023 in.)

1. 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 (0.00020 in.) max.
   Service Limit: | 0.006 mm (0.00023 in.)