Crankshaft - Out-of-Round & Taper
CRANKSHAFT1. Check crankshaft main and pin journals for score, wear or cracks.
2. With a micrometer, measure journals for taper and out-of-round
Out-of-round (X - Y):
Less than 0.005 mm (0.0002 inch)
Taper (A - B):
Less than 0.005 mm (0.0002 inch)
3. Measure crankshaft runout.
Runout (Total indicator reading):
Less than 0.10 mm (0.0039 inch)