YG125-30A Maintenance Manual
Magneto and starting system
80
Magneto and starting system
Maintenance notice
Rotor assembly
Left front cover
Starting motor and starting transmission system
Maintenance notice
To carry out the maintenance stated herein, and the engine lubricating oil must be drained.
。
Before assembling, clean all parts and components with cleaning agent and dry them with compressed air.
When mount
，
Mount the parts, coat the mixture of engine oil and molybdenum disulfide onto the left crank journal,
as the
initial lubrication
。
Do not dent the seal surface, and do not damage the stator coil.
Technical specifications & maintenance benchmark
Item
Standard value
Maintenance limit value
Disk gear
Disk gear external diameter
φ
51.67
～φ
51.7
φ
51.57
One-way device outer
body
One-way device outer body internal
diameter
φ
35
～φ
35.027
φ
35.040
Disk gear washer
Washer thickness
5.65
～
5.75
5.6
Key torque values
Rotor fastening nut 36
～
45N.m
Stator fastening bolt 8-12N.m
Pressure plate fastening bolt 7
～
10N.m
Starting clutch connecting screw 8
～
12N.m
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