Yingang YG125-30A, Руководство по обслуживанию

Страница: 105 / 153

YG125-30A Maintenance Manual Front wheel, front overhang and steering stem
111
Front wheel, front suspension device and steering stem
Maintenance notice Front suspension device
Troubleshooting Front brake
Control subassembly Steering stem
Front wheel
Maintenance notice
This section introduces the removal, installation and maintenance of the front wheel, front suspension device (front fork),
front brake and steering stem. While repairing the front wheel, reliably support the motorcycle from under the engine with
a jack or other supports to lift the front wheel above the ground.
Key torque values
Front wheel spindle 50N·m -60N·m
Steering handle set bolt 20
～
30N.m
Front fork vertical pipe cap nut 50
～
60N.m
Upper / lower connection plate set bolt 8
～
12N.m
Brake disc fastening nut 20
～
30N.m
Troubleshooting

Steering unstable
1. Vertical pipe bearing failure
2. Tire pressure insufficient
3. Tire damaged
4. Wheel bush damaged

Driving directions to the side or not to walk in a straight line
1. Left / Right damper adjustment uneven
2. Front fork bent
3. Front wheel spindle bent or wheel mounted improperly
4. Wheel bearing damaged
5. Wheel bush damaged

Front wheel run out
1. Rim bent or deformed
2. Wheel bearing worn
3. Wheel spoke deformed or slacked
4. Front wheel spindle slacked
5. Tire damaged

Wheel hard to rotate
1. Wheel bearing or bush damaged
2. Adjusting nut over-fastened
https://www.motomanuals.net/