KYMCO NEXXON 50 Service Manual page 136

12
. REAR WHEEL/BRAKE/SUSPENSION
TROUBLESHOOTING
Rear wheel wobbling
• Bent rim
• Worn rear wheel bearing
• Loose or broken wheel spoke wires
• Faulty tire
• Improperly tightened axle nut
• Loose rear fork pivot nut
Soft suspension
• Weak shock absorber spring
• Improperly adjusted shock absorber
• Damper oil leaks
Hard suspension
• Improperly adjusted shock absorber
Rear suspension noise
• Bent rear shock absorber
• Loose shock absorber fasteners
• Insufficient damper oil
12-3
Poor brake performance
• Improperly adjusted brake
• Worn brake linings
• Contaminated or damaged brake linings
• Worn brake cam
• Worn brake drum
• Improperly installed brake linings
• Worn brake shoes at cam contacting area
• Worn camshaft
NEXXON 50