Installation Instructions
15. Steering / Front Wheel / Front Cushion 
15-2 
Operational Precautions 
General 
Please refer to the Maintenance Manual of tubeless tire in respect to the removal, repair and installation of 
the tire. 
Torque Values 
Nut for the front wheel axle  5.0 ~ 7.0kgf-m 
Nut for the steering handle  4.0 ~ 5.0kgf-m   
Lock nut for the steering handle stem  1.0 ~ 2.0kgf-m 
Top crown for the steering handle stem  0.2 ~ 0.3kgf-m 
Locating screw for the speedometer cable  0.15 ~0.3kgf-m 
Front cushion upper lock bolt  2.4 ~ 3.0kgf-m 
Front brake disk  4.0~4.5kgf-m 
Special Tools 
Steering handle top thread wrench  SYM-5320000、SYM-5321100 
Inner bearing puller  SYM-6204020 
Steering nut wrench  SYM-6204010 
Driver 32*35mm 
Driver 42*47mm 
Trouble Diagnosis 
Hard to steer 
y  The steering handle stem nut is too tight. 
y  The ball and the top crown of the steering 
handle stem are damaged. 
y  Insufficient tire pressure. 
The steering handlebar is tilted 
y  Uneven arrangement of the front cushion. 
y  The front fork is bent. 
y  The front wheel axle is bent 
The front wheel rim run-out   
y  The rim is bent. 
y  The wheel axle nut is not tightened enough. 
y  Side-worn or poor tire. 
y  The bearing clearance of the wheel axle is too 
large. 
Soft front cushion 
y  The front cushion spring is worn out. 
y  The oil seal of the front cushion is leaking. 
Noise in front cushion 
y  Front cushion is warped. 
y  The joint of the front cushion gets loose. 
To this chapter contents










