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11. CRANKCASE/CRANKSHAFT VITALITY 50
Measure the crankshaft runout.
Service Limit
A B
0.150mm 0.100mm
replace if over replace if over
Check the crankshaft bearings for excessive
play. The bearings must be replaced if they Play Play
are noisy or have excessive play.
Axial Radial
CRANKSHAFT INSTALLATION
Wash the crankshaft in cleaning solvent and
then check for cracks or other faults.
· After check, apply clean engine oil to
all moving and sliding parts.
· Remove all gasket material from the
crankcase mating surfaces. Dress any
roughness or irregularities with an oil
stone.
11-6