Poor Braking Performance/Faulty Front Fork Legs/Un- Stable Handling; Faulty Front Fork Legs; Leaking Oil; Malfunction - Yamaha XF50W Service Manual

POOR BRAKING PERFORMANCE/FAULTY FRONT
EAS00859
POOR BRAKING PERFORMANCE
Drum brake
8Worn brake shoe
8Worn or rusty brake drum
8Incorrect brake lever position
8Incorrect brake lever free play
8Incorrect brake camshaft lever position
8Incorrect brake shoe position
8Damaged or fatigued brake shoe spring
8Oil or grease on the brake shoe
8Oil or grease on the brake drum
EAS00861

FAULTY FRONT FORK LEGS

LEAKING OIL

8Bent, damaged or rusty inner tube
8Cracked or damaged outer tube
8Improperly installed oil seal
8Damaged oil seal lip
8Incorrect oil level (high)
8Loose damper rod assembly bolt
8Damaged damper rod assembly bolt cop-
per washer
8Cracked or damaged cap bolt O-ring

MALFUNCTION

8Bent or damaged inner tube
8Bent or damaged outer tube
8Damaged fork spring
8Worn or damaged outer tube bushing
8Bent or damaged damper rod
8Incorrect oil viscosity
8Incorrect oil level
FORK LEGS/UNSTABLE HANDLING
EAS00862

UNSTABLE HANDLING

Handlebar
8Bent or improperly installed handlebar
Steering head components
8Improperly installed handlebar bracket
8Improperly installed lower bracket
(improperly tightened ring nut)
8Bent steering stem
8Damaged ball bearing or bearing race
Front fork leg(s)
8Uneven oil levels (both front fork legs)
8Unevenly tensioned fork spring (both front
fork legs)
8Broken fork spring
8Bent or damaged inner tube
8Bent or damaged outer tube
Rear shock absorber assembly
8Faulty rear shock absorber spring
8Leaking oil
Tire(s)
8Uneven tire pressures (front and rear)
8Incorrect tire pressure
8Uneven tire wear
Wheel(s)
8Incorrect wheel balance
8Deformed cast wheel
8Damaged wheel bearing
8Bent or loose wheel axle
8Excessive wheel runout
Frame
8Bent frame
8Damaged steering head pipe
8Improperly installed bearing race
9-5
TRBL Q
SHTGl •