Generic Onyx 50 - Failure Diagnosis

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7.2 Failure diagnosis
7.2.1 Difficulty of steering
The steering handle bearing has problems
Steering handle bearing is damaged
Low gas pressure for the tyre
Gas leakage of tyre
7.2.2 Unsteady steering
Bearing of the steering handle is broken
Not enough tire gas pressure
Bent front fork and front wheel axle
Deformed or tilting front tyre
7.2.3 Shimmy of front wheel
Deformed tyre
Loose front wheel bearing
Bad tyre
7.2.4 Difficulty of rolling wheel
Trouble of the wheel axle, pinion stand or brake
7.2.5 Abnormal noise of front shock absorber
Friction noise of shock absorber guard plate
Loose bolts of absorber parts
7.3 Front wheel
7.3.1 Removal
Attention：
Prop up motorcycle firmly.
Loose brake cylinder assemble to install bolt④.
Remove brake cylinder assembly ②。