Hard To Steer; The Steering Handle Is Tilted; The Front Wheel Wobbling; Soft Cushion - Sym JET 4 R 50 Series Service Manual

13. Steering / Front Wheel / Front Cushion
Maintenance Information
Specification
Shaft bending
Rim wobbling
Torque Value
Steering handle nut
Brake master cylinder mounting bolts 1.0~1.4kgf-m
Front wheel axle nut
Brake disc bolt
Front cushion mounting nut
Front brake caliper bolt
Steering stem mounting nut
Special Tools
Inner bearing puller
Bearing driver 6201
Troubleshooting

Hard To Steer

1. The steering shaft bolt is too tight.
2. The steering shaft bearing are damaged
3. The ball and the top cone of the steering shaft
are damaged.
4. Insufficient tire pressure.

The Steering Handle Is Tilted

1. Uneven arrangement of the front cushions.
2. The front fork is bent.
3. The front wheel axle is bent.
13-2
Item
Radial
Axial
4.0~5.0kgf-m
5.0~7.0kgf-m
2.4~3.0kgf-m
2.4~3.0kgf-m
2.4~3.0kgf-m
1.0~1.2kgf-m
Standard value (mm)
─
─
─

The Front Wheel Wobbling

1. The rim is bent.
2. The wheel axle nut is not tightened improperly
3. Bend wheel rim
4. Side-worn or poor tire.
5. The bearing play of the wheel axle is too
large.

Soft Cushion

1. Weak front cushion spring
Noise In Front Cushion
1. Cushion outer tube noise
2. The joint of the cushion gets loose.