Crankshaft Inspection - Sym EuroMX 125 Service Manual

This Chapter Contents
11. Crankcase/Crankshaft

Crankshaft Inspection

Measure left and right clearance of connecting
rod big end.
Service limit: Replace when it is more than
0.55 mm
Measure the radical clearance of the big end at
the vertical directions.
Service limit : 0.05 mm
Place the crankshaft onto a V-block and measure
run-out of the crankshaft with dial gauge.
Service limit: 0.10 mm
60 mm 90 mm
Bearing Inspection
Rotate the bearing with fingers and make sure
the bearing can be rotated smoothly and quietly.
Clearance
Check if the inner ring is connected onto the
crankshaft tightly.
Clearance
Replace crankshaft as a set when noise or
looseness is detected.
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