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4.2 Fault Diagnosis
4.2.1 Rear wheel wobbling
Wheel rim is deformed.
Rear wheel bearing is worn.
Tire is faulty.
Swing arm bearing is worn or damaged.
Driving chain regulator adjusts improperly.
Tires and wheels are unbalanced.
The tire pressure is too low.
Frame or rear swing arm is bent.
4.2.2 Wheel rotating without flexibility
Rear hydraulic brake disc bending
Rear wheel bearing wear
Overtightness of drive chain
4.2.3
Spongy suspension
Shock absorber spring is not firm with shake.
Front suspension regulator is incorrect.
Oil leakage occurs to shock absorber.
Tire pressure is too low.
4.2.4
Hard suspension
Assembly bearing on the shock absorber is damaged.
Shock absorber cylinder is bent.
Rear swing arm pivot bearing is damaged.
Rear swing arm pivot bearing is bent.
Suspension regulator is incorrect.
Tire pressure is too high.
4.2.5
Only being operated to one side or not traveling in a straight line
Rear axle is bent.
Axle arrangement/chain adjusters on both sides are incompetent.
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