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9. Crankshaft / Crankcase / Transmission / Kick Starter
Crankcase Inspection
Check if the oil path on the crankcase is
clogged or not.
Blow the oil path with compressed air if
necessary.
9-11
Crankcase bearing / oil seal inspection
Clearance
Rotate the bearings to check if the bearings
rotate smoothly and silently.
Clearance
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.
Check the oil seal of the counter shaft for any
damage; replace it with new one if necessary.
Crankcase bearing removal
Remove the damaged bearing by using the
inner bearing puller.
Special tool：
Inner bearing puller SYM-6204020
Crankcase bearing installation
Install the new bearings onto the crankcase by
using bearing driver.
Special tools：
Bearing driver 6204 SYM-9110400
Bearing driver 6301 SYM-9610000
Bearing driver 6203/6004 SYM-9620000
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