¡¤Improper installation of steering pillar bear-
ings
¡¤Holding seat of steering pillar or sealing ring
is damaged
¡¤Rod is bent
¡¤Spherical connection is bent
(3) Wheel tyre
¡¤Uneven pressure on two sides of tyre
¡¤wrong tyre pressure
¡¤uneven tyre wear
(4) Front/Rear tyre
¡¤deformed run
¡¤Loosen bearing
¡¤Front wheel axle is bent or loosen
¡¤Radial run out of front/rear wheel is too big
(5) Frame
¡¤Bend
¡¤Damaged frame
(6)Rear wheel fork
Bearing or bushing is worn
Rear wheel fork is bent or damaged
(X) Lighting system
1. Head light is out of work
¡¤buld is trouble
¡¤Too big load
¡¤Charging difficulty(Lighting coil or rectifier
is failure)
¡¤Wrong connection of wire
¡¤Wrong connection of ground
¡¤Poor connection(Main switch or lighting
switch)
¡¤use-life of bult is end
2. Bulb is off
¡¤Bulb is out of specification
¡¤Battery failure
¡¤Rectifier failure
¡¤Wrong connection of ground
¡¤Main switch or lighting switch failure
¡¤Use-life of bulb is end
- 216 -