CHECKING THE CRANKSHAFT AND CON-
NECTING ROD
1. Measure:
crankshaft runout
Out of specification Replace the crank-
shaft, bearing or both.
TIP
Turn the crankshaft slowly.
Maximum crankshaft runout
0.04 mm (0.0016 in)
2. Measure:
big end side clearance
Out of specification Replace the big end
bearing, crankshaft pin, or connecting rod.
Big end side clearance
0.10~0.30 mm (0.0039~0.0118 in)
3. Measure:
crankshaft width
Out of specification Replace the crank-
shaft.
Crankshaft width
44.10~44.15 mm (1.7362~1.7382 in)
4. Check:
crankshaft sprocket
Damage/wear Replace the crankshaft.
bearing
Cracks/damage/wear
Replace the
crankshaft.
oil pump drive gear
Damage/wear Replace the crankshaft.
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ENG
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CRANKCASE AND CRANKSHAFT
