Honda Acura NSX 1991 Service Manual page 141

Crankshaft
cleaners or a suitable brush.
Alignment
sure the crank is not bent.
journal must not be more than the service limit.
Crankshaft Total Indicated Runout:
Standard (New): 0.015 mm (0.0005 in) min.
Service limit: 0.03 mm (0.0012 in)
DIAL INDICATOR
Rotate two complete
revolutions.
Support with lathe-
type tool or V-blocks.
Out-of-Round and Taper
and main journal in two places.
journal must not be more than the service limit.
Jouinal Out-of-Round:
Standard (New): 0.004 mm (0.00016 in) min.
Service Limit: 0.006 mm (0.00024 in)
taper
at edges.
l Measure taper at edges of each rod and main
journal.
journal must not be more than the service limit.
Journal Taper:
Standard (New): 0.005 mm (0.0002 in) min.
Service Limit: 0.010 mm (0.0004 in)
l oe*
Measure out-of-
round at middle.