Specifications

A.Troubleshooting
1.steering handlebar is abnormal, too tight.
a. steering mechanism; washer of conical bush locked too tightly.
b. steering mechanism; steel ball is cracked.
c. steering mechanism; steel ball base and washer of conical base is damaged.
d. wheel pressure is too low.
2.steering handlebar is aslant.
a. left and right damper is not even.
b.Front fork is crooked.
c. The axle of front fork is crooked, wheel is aslant.
3.front wheel swings.
a.wheel rim is distorted.
b.bearing of front axle too free.
c.wheel rib is distorted.
d.Wheel is not good.
e. Front wheel axle locked improperly.
4.front damper is too soft, spring fatigue.
5.noise in front damper.
a.noise comes from damper box.
b.locking screw of damper is slackness.
B.Data
Item Standard value ( mm ) Limit of use ( mm )
Lining of frt brake 4.0 2.0
Disk of frt brake 3.6 3.1
Swingness of frt/rr wheel - 2.0