like 50 2T 1 Manuale-dofficina : Pagina 138

          13.STEERING HANDLEBAR/FRONT WHEEL/FRONT BRAKE/FRONT SHOCK
ABSORBER/FRONT FORK                                                             LIKE 50 2T




    SPECIAL TOOLS
    Lock nut wrench                                 Driver handle A
    Outer driver, 28x30mm                           Pilot, 10mm
    Ball race remover                               Outer driver, 37x40mm
    Pliers (close)                                  Bearing remover
    Bearing remover head, 10mm


    TROUBLESHOOTING

    Hard steering (heavy)                           Front wheel wobbling
    · Excessively tightened steering stem top       · Bent rim
      cone race                                     · Excessive wheel bearing play
    · Broken steering balls                         · Bent spoke plate
    · Insufficient tire pressure                    · 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 fork                               · Weak shock springs
    · Bent front axle or uneven tire                · Insufficient damper oil
    Poor brake performance                          Front shock absorber noise
    · Incorrectly adjusted brake                    · Slider bending
    · Worn brake linings                            · Loose fork fasteners
    · Contaminated brake lining surface             · Lack of lubrication
    · Worn brake shoes at cam contacting area
    · Worn brake drum
    · Poorly connected brake arm
    Poor brake performance (Disk Brake)
    · Air in brake system
    · Deteriorated brake fluid
    · Contaminated brake pads and brake disk
    · Worn brake pads
    · Worn brake master cylinder piston oil seal
    · Clogged brake fluid line
    · Deformed brake disk
    · Unevenly worn brake caliper



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