12-1
12. CRANKSHAFT/CRANKCASE
SERVICE INFORMATION
GENERAL SAFETY
● This section covers crankcase separation to service the crankshaft. 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 crakcase.
Cylinder head
Cylinder/piston
Right crankcase cover/drive and driven pulley
A.C. generator/starter clutch
Rear wheel/rear shock absorber
Starter motor
Oil pump
SPECIFICATIONS
TORQUE VALUES
CRANKCASE BOLT : 0.78~1.08kgf·m
CAM CHAIN TENSIONER SIPPER BOLT : 0.78~1.18kgf·m
12
SERVICE INFORMATION
······
12-1
TROUBLESHOOTING
··········
12-2
CRANKCASE REMOVAL
······
12-3
CRANKSHAFT INSPECTION
··
12-4
CRANKCASE INSTALLATION
··
12-5
0.15~0.55mm
0~0.008mm
-
0.60mm
0.05mm
0.10mm
ITEM
CRANK
SHAFT
Connecting rod big end side clearance
Connecting rod big end radial clearance
Runout
STANDARD(mm)
SERVICE LIMIT(mm)
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