12. REAR WHEEL/BRAKE/SUSPENSION K-PIPE 125 TROUBLESHOOTING Rear wheel wobbling Poor brake performance · Bent rim · Improperly adjusted brake · Worn rear wheel bearing · Worn brake linings · Loose or broken wheel spoke wires · Worn brake cam · Faulty tire · Worn brake disk · Improperly tightened axle nut · Worn brake shoes at cam contacting area · Loose rear fork pivot nut · Worn camshaft 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