10. Crankcase/Crankshaft
10-4
Crankshaft Inspection
Measure the clearance of connecting rod big end.
Measure the radial clearance of connecting rod
big end at X-Y directions as diagram show.
Place the crankshaft on a V-block, measure
run-out points A and B of the crankshaft with dial
gauge.
Check the crankshaft bearing by means of turning
it with hand. If any noise and bigger clearance
are detected, replace the bearing with new one.
Radial
37mm
Clearance
70mm
A
B
Clearance
Lateral
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