KYMCO MXU 300 - SERVICE INFORMATION

14. FRONT WHEEL/FRONT SUSPENSION/
STEERING SYSTEM
14-2
MXU 300/250
SERVICE INFORMATION
GENERAL INSTRUCTIONS
• Jack the machine front wheel off the ground and be careful to prevent the machine from falling
down.
• During servicing, keep oil or grease off the brake disk
• Inspect the brake system before riding.
SPECIFICATIONS Unit: mm (in)
Ite
m
Standar
d
Service Limit
Radial
⎯
2
(
0.08
)
Axial
⎯
2
(
0.08
)
Tie rod len
g
th 299.5±0.5
(
11.98±0.02
)
⎯
Rod-end
(
tie rod
)
an
g
le 180
º
⎯
TORQUE VALUES
Steering stem nut 7 kgf-m (70 Nm, 50 lbf-ft)
Front swing arm nut 4.5 kgf-m (45 Nm, 32 lbf-ft)
Front wheel nut 4.5 kgf-m (45 Nm, 32 lbf-ft)
Front wheel hub nut 7 kgf-m (70 Nm, 50 lbf-ft) Castle nut
Knuckle ball joint nut 3 kgf-m (30 Nm, 22) lbf-ft) Castle nut
Tie-rod ball joint nut 2 kgf-m (20 Nm, 15) lbf-ft Castle nut
Front shock absorber mount bolt 4 kgf-m (40 Nm, 29 lbf-ft)
SPECIAL TOOLS
Oil seal and bearing install E014
Tie-rod ball join remover F011
Ball join remover F012
TROUBLESHOOTING
Hard steering (heavy) Front wheel wobbling
•Insufficient tire pressure • Bent rim
• Excessive wheel bearing play
• Bent spoke plate
• Faulty tire
Steers to one side or does not track straight • Improperly tightened axle nut
• Uneven front shock absorbers Soft front shock absorber
• Bent front arm • Weak shock springs
• Bent steering knuckle • Insufficient damper oil
Front shock absorber noise
• Slider bending
• Loose arm fasteners
• Lack of lubrication
Front wheel rim run out