KYMCO XCITING 500, Руководство по обслуживанию

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13
. CRANKCASE/CRANKSHAFT
13-2
XCITING 500
SERVICE INFORMATION
GENERAL INSTRUCTIONS
•
This section covers crankcase separation to service the crankshaft and balancer. The engine must
be removed for this operation.
•
When separating the crankcase, never use a driver to pry the crankcase mating surfaces apart
forcedly to prevent damaging the mating surfaces.
•
When installing the crankcase, do not use an iron hammer to tap it.
•
The following parts must be removed before separating the crankcase.
Cylinder head (section 8)
Cylinder/piston (section 9)
Drive and driven pulley (section 10)
A.C. generator/starter clutch (section 12)
Starter motor (section 19)
Oil pump (section 4)
SPECIFICATIONS Unit: mm (in)
Item
Standard Service Limit
Main bearing oil clearance 0.025 (0.001)
～
0.041 (0.0016) 0.07 (0.003)
Crankshaft Connecting rod big end side
clearance
0.05 (0.002)
～
0.5 (0.02) 0.8 (0.031)
Runout
⎯
0.06 (0.002)
TORQUE VALUES
Crankcase bolt 12 N•m (1.2 kgf•m, 9 lbf•ft)
Cam chain guide bolt 20 N•m (2 kgf•m, 15 lbf•ft )
Oil pipe bolt 43 N•m (4.3 kgf•m, 31 lbf•ft )
SPECIAL TOOLS
Bearing puller E037
Oil seal & bearing driver E014
TROUBLESHOOTING
Excessive engine noise
•
Worn connecting to small end
•
Worn or damaged crankshaft bearings