Shifting Gear Inspection - Sym MB10A7-A series Service Manual

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9. Crankshaft / Crankcase / Shifting Gear / Kick Starter
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Crankcase bearing inspection
Clearance
Rotate the bearings on the left and right
crankcase to check if the bearings rotate
Clearance
smoothly and silently.
Check if the outer ring of the bearing fixes on
the crankcase firmly or not.
The bearing must be replaced if there is
excessive noise or roughness.
Left crankcase bearing 6007C2
Right crankcase bearing TMB304CS10

Shifting Gear Inspection

Check if the gear shift fork is worn, bent or
damaged.
Measure the inner diameter of the gear shift
fork.
Service limit：10.05 mm
Measure the thickness of the gear shift fork
claws.
Service limit：4.5 mm
Measure the outer diameter of the gear shift
fork shaft.
Service limit：9.96 mm
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