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3.2.2 Wobbly Direction Handle
z Damaged handle bearing
z Not enough tyre pressure.
z Front fork bent, front wheel shaft bent.
z Distorted and crooked front wheel tyre.
3.2.3 Wobbly Front Wheel
z Distorted wheel rim
z Worn front wheel bearing
z Defective front tyre
z Unbalance of tyre or wheel
3.2.4 Difficult Rotation of Wheel
z Breakdown of front wheel bearing
z Braking breakdown of brake
z Breakdown of wheel and axle
z Bending of front wheel
3.2.5 Noisy Front Shock Absorber
z Lack of liquid in shock absorber
z Friction sound of shock absorber
protecting plate.
z Loosened bolts on the shock absorber.
3.2.6 Operated to one side only or
walking not in straight line
z unbalance of both crosses’ adjustment
z bending of shock absorber
z bending of wheels
z inaccuracy of wheels’ installment
z bending of car frame
z illness of axle
z illness of swing arm central shaft units
3.2.7 Front shock absorber is soft
z lack of liquid in shock absorber
z insecure of spring in shock absorber
z tyre pressure is too low
3.2.8 Front shock absorber is hard
z inadequacy of liquid weight
z block of shock absorber liquid pipe