Yamaha YW50P Service Manual page 211

ITRBLI
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I
INSTABLE HANDLING ISHTGI I
INSTABLE H A N D L I N G
I N S T A B L E H A N D L I N G
Handlebar
- - Steering
Front forks
P R O B A B L E C A U S E
• Improperly installed or bent
• Improperly installed steering column
L (Improperly tightened ringnut)
• Bent steering column
• Damaged ball bearing or bearing race
• Broken spring
L • B o n d e d front forks
Tires
~ W h e e l s
• Uneven tire pressures on both sides
L
•Incorrect tire pressure
• Unevenly worn tires
• Damaged bearing
L • Bent or loose wheel axle
• Excessive wheel run-out
- - Frame
m Engine bracket
Rear shock absorber
• Twisted
L • D a m a g e d head pipe
• Improperly installed bearing race
• Bent or damaged
• Fatigued spring
/
L • O i l leakage
8-8