Yamaha PW50W 2007 Service Manual page 164

FAULTY FRONT FORK LEGS/UNSTABLE HANDLING
EAS28630
POOR BRAKING PERFORMANCE
9 Worn brake shoe
9 Worn or rusty brake drum
9 Incorrect brake pedal position (above the
top of the rider footrest)
9 Incorrect brake lever free play
9 Incorrect brake camshaft lever position
EAS28660
FAULTY FRONT FORK LEGS
9 Bent, damaged or rusty inner tube
9 Cracked or damaged outer tube
9 Damaged damper rubber
9 Bent or damaged inner tube
EAS28670
UNSTABLE HANDLING
Handlebar
9 Bent or improperly installed handlebar
Steering head components
9 Improperly installed upper bracket
9 Improperly installed lower bracket
(improperly tightened ring nut)
Bent steering stem
9 Damaged ball bearing or bearing race
Front fork leg(s)
9 Broken fork spring
9 Bent or damaged inner tube
9 Bent or damaged outer tube
Swingarm
9 Bent or damaged swingarm
Rear shock absorber assembly(-ies)
9 Faulty rear shock absorber spring
9 Leaking oil
POOR BRAKING PERFORMANCE/
Tire(s)
Wheel(s)
Frame
8-4
9 Incorrect brake shoe position
9 Damaged or fatigued brake shoe spring
9 Oil or grease on the brake shoe
9 Oil or grease on the brake drum
9 Bent or damaged outer tube
9 Damaged fork spring
9 Incorrect grease viscosity
9 Uneven tire pressures (front and rear)
9 Incorrect tire pressure
9 Uneven tire wear
9 Deformed panel wheel
9 Damaged wheel bearing
9 Bent or loose wheel axle
9 Excessive wheel runout
9 Bent frame
9 Damaged steering head pipe
9 Improperly installed bearing race
TRBL
SHTG