11-2 General Information
Operational precautions
y
This Section concerns disassembly of the crankcase for repair purpose.
y
Remove following components before disassembling crankcase.
-
Engine remove
Section 5
-
Cylinder head
Section 6
-
Cylinder and piston
Section 7
-
Drive face and driven pulley
Section 8
-
AC generator/Start one way clutch
Section 10
y
In case it requires replacing the crankshaft bearing, the driving chain of engine oil pump or the timing
chain, it is preferably to replace crankshaft as a unit.
Specification Unit:
mm
Item Standard
Limit
Connecting rod side clearance of the big end
0.100~0.400
0.600
Vertical clearance of the big end of the connecting rod
0~0.008
0.050
Crankshaft
Run-out 0.030
0.100
Torque value
Bolts for crankcase
0.8~1.2kgf-m
Engine oil drain bolt
3.5~4.5kgf-m
Cylinder stud bolt
1.0~1.4kgf-m
Tools
Special tools
L. crank shaft oil seal driver (27*42*7): SYM-1332100-HMA
11-3 Trouble Diagnosis
Engine noise
y
Loose crankshaft bearing
y
Loose crankshaft pin bearing
y
Worn out piston pin and pin hole
Summary of Contents for ET300 - SERVICE
Page 1: ...1 ET 300 Service Manual ...
Page 142: ...REAR BRAKE ...
Page 160: ......
Page 161: ...17 8 Wiring Diagram ...