12-1
12.
CRANKCASE/TRANSMISSION/CRANKSHAFT
SERVICE INFORMATION
······
12-1
TROUBLESHOOTING
········
12-2
CRANKCASE DISASSEMBLY
····
12-3
TRANSMISSION DISASSEMBLY
··
12-4
CRANKSHAFT
················
12-6
CRANKCASE BEARING
········
12-7
CRANKSHAFT INSTALLATION
··
12-8
TRANSMISSION ASSEMBLY
··
12-9
CRANKCASE ASSEMBLY
······
12-11
SERVICE INFORMATION
GENERAL SAFETY
To service the transmission, crank shaft and kick starter, the crankcase should be disassembled.
Before disassembling the crankcase, the following parts must be removed.
- CLUTCH, GEAR SHIFT SPINDLE (
SECTION 8)
- A.C. GENERATOR, STARTER CLUTCH (
SECTION 9)
- CYLINDER HEAD (
SECTION 10)
- CYLINDER, PISTON (
SECTION 11)
- STARTER MOTOR (
SECTION 19)
ITEM STANDARD VALUE SERVICE LIMIT
FORK
I.D. 12.000~12.018 12.050
SHIFT FORK/SHAFT
CLAW THICKNESS
4.930~5.000 4.500
SHAFT O.D. 11.976~11.994 11.960
MAIN SHAFT O.D. M3, M5 19.967~19.980 19.930
C1 16.466~16.484 16.440
COUNTER SHAFT O.D. C2 19.974~19.987 19.940
C4 19.959~19.980 19.930
M5 23.000~23.021 23.050
M3, C2 23.020~23.041 23.070
GEAR I.D.
C4 20.020~20.041 20.070
C1 20.000~20.021 20.050
TRANSMISSION M5 22.959~22.980 22.930
GEAR BUSHING O.D. M3, C2 22.979~23.000 22.950
C1 19.959~19.980 19.930
GEAR-TO-BUSHING I.D.
M3, C2 20.000~20.021 20.050
C1 16.500~16.518 16.550
GEAR-TO-BUSHING
M3, M5
0.020~0.062 0.100
CLEARANCE
C1, C2
GEAR-TO-SHAFT
C4 0.040~0.082 0.120
CLEARANCE
M3 0.200~0.062 0.100
C1 0.016~0.052 0.090
C2 0.013~0.047 0.090
Unit: mm
SPECIFICATIONS
BUSH-TO-SHAFT
CLEARANCE