Troubleshooting - KYMCO MXU 450i Service Manual

Troubleshooting

Problem: Handling too heavy or stiff
Condition
1. Front wheel alignment incorrect
2. Lubrication inadequate
3. Tire inflation pressure low
4. Tie rod ends seizing
5. Linkage connections seizing
Problem: Steering oscillation
Condition
1. Tires inflated unequally
2. Wheel(s) wobbly
3. Wheel hub cap screw(s) loose - missing
4. Wheel hub bearing worn - damaged
5. Tie rod ends worn - loose
6. Tires defective - incorrect
7. A-arm bushings damaged
8. Bolts - nuts (frame) loose
Problem: Steering pulling to one side
Condition
1. Tires inflated unequally
2. Front wheel alignment incorrect
3. Wheel hub bearings worn - broken
4. Frame distorted
5. Shock absorber defective
Problem: Tire wear rapid or uneven
Condition
1. Wheel hub bearings worn - loose
2. Front wheel alignment incorrect
3. Tire inflation pressure incorrect
Problem: Steering noise
Condition
1. Cap screws - nuts loose
2. Wheel hub bearings broken - damaged
3. Lubrication inadequate
Remedy
1. Adjust alignment
2. Lubricate appropriate components
3. Adjust pressure
4. Replace tie rod ends
5. Repair - replace connections
Remedy
1. Adjust pressure
2. Replace wheel(s)
3. Tighten - replace cap screws
4. Replace bearing
5. Replace - tighten tie rod ends
6. Replace tires
7. Replace bushings
8. Tighten bolts - nuts
Remedy
1. Adjust pressure
2. Adjust alignment
3. Replace bearings
4. Repair - replace frame
5. Replace shock absorber
Remedy
1. Replace bearings
2. Adjust alignment
3. Adjust pressure
Remedy
1. Tighten cap screws - nuts
2. Replace bearings
3. Lubricate appropriate components
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