Front Wheel, Brakes, And Steering System; Troubleshooting; Maintenance Data - Eton America Matrix R4-150 Service Manual

8. FRONT WHEEL, BRAKES, AND STEERING
SYSTEM

8.1 TROUBLESHOOTING

STEERING IS HEAVY
HANDLEBAR POSITIONED IMPROPERLY
FRONT WHEEL IS WOBBLING
POOR BRAKE PERFORMANCE
FRONT SUSPENSION NOISE

8.2 MAINTENANCE DATA

Front brake disk thickness
Standard: 3.6 mm
Minimum limit: 3.1 mm
Rim warping limit: 2.0 mm

DAMAGED STEERING BEARINGS

DAMAGED STEERING BEARING RACES

STEERING SHAFT HOLDER TOO TIGHT

DAMAGED TIRE

INSUFFICIENT TIRE PRESSURE

BENT FRONT FORK

BENT FRONT AXLE

DAMAGED FRONT WHEEL

DAMAGED FRONT FORK SHOCK ABSORBERS

UNBALANCED FRONT SHOCK ABSORBERS

BENT RIM

IMPROPERLY INSTALLED WHEEL HUB

EXCESSIVE PLAY IN WHEEL BEARING

DAMAGED TIRE

BRAKE SHOES WORN

WORN BRAKE DISK

,
BRAKE DISK OILY GREASY

IMPROPER BRAKE ADJUSTMENT

LOOSE FRONT SUSPENSION FASTENERS

BINDING SUSPENSION LINK

,
OR DIRTY