Brixton BX125, Service Manual

Page: 43 / 148

42
3.2 Fault Diagnosis
3.2.1 Steering handlebar rotating without flexibility

Steering handlebar bearing is faculty.

Steering handlebar bearing is damaged

Adjusting nut of motorcycle faucet is too tight.

Pressure within the tire is insufficient.
3.2.2 Direction not steady

The handlebar bearing is damaged.

Tire pressure is insufficient.

Front fork and front wheel shaft are bent.

Front wheel tire is subjected to deformation, and the tire is not aligned.
3.2.3 Front wheel wobbling

Wheel rim is deformed.

Front wheel bearing is worn.

Front tire has defects.

Tires or wheels are unbalanced.
3.2.4 Wheel failing to rotate

Failure of bearing of front wheel shaft

Braking failure

Failure of wheel shaft

Bending of front wheel
3.2.5 Abnormal noises from front shock absorber

Inadequate fluid in the shock absorber

Friction noise of shock absorber guard

Looseness bolts of shock absorber
3.2.6 Only being operated to one side or not traveling in a straight
line

Unbalanced adjustment of left and right fork

Bending of shock absorber

Bending of wheel

Improper installation of wheel

Bending of frame

Damaged wheel bearing

Damaged central axle of swing arm
KS MOTORCYCLES - http://ksmotorcycles.com