Maintenance Information; Troubleshooting - Sym Fiddle 50 Service Manual

13. STEERING/FRONT WHEEL/SUSPENSION

Maintenance Information

Specification
Item
Shaft bending
Rim wobbling
Torque Value
Steering handle post nut
Front wheel axle nut
Front cushion mounting bolt (upper) 2.4~3.0kgf-m Top cone race
Front cushion mounting nut (under) 2.4~3.0kgf-m
Special Tools
Inner bearing puller
Bearing driver

Troubleshooting

Hard To Steer
1. The steering stem nut is too tight.
2. The steering stem bearing are damaged.
3. The ball and the top cone of the steering stem
are damaged.
4. Insufficient tire pressure.
The Steering Handle Is Tilted
1. Uneven arrangement of the front cushion.
2. The front fork is bent.
3. The front wheel axle is bent.
13-2
This chapter Contents
Standard value (mm)
Radial
Axial
4.0~5.0kgf-m Front fork pivot arm nut
5.0~7.0kgf-m Steering stem lock nut
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
Soft Cushion
1. Weak front cushion spring
Noise In Front Cushion
1. Front cushion outer tube noise
2. The joint of the cushion gets loose.
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large.
Limit (mm)
0.2 (0.01 in)
2.0 (0.08 in)
2.0 (0.08 in)
2.4~3.0kgf-m
1.5kgf-m
0.25kgf-m