Instable Handling - Yamaha TTR250L Service Manual

INSTABLE HANDLING

INSTABLE HANDLING
Handlebars
Improperly installed or bent
Tires
Uneven tire pressures on both sides
Incorrect tire pressure
Unevenly worn tires
Front forks
Uneven oil level on both sides
Uneven spring tension
(uneven damping adjuster position)
Broken spring
Twisted front fork
Drive chain
Improperly adjusted chain slack
Swingarm
Worn bearing or bush
Bent or damaged
Rear shock absorber
Fatigued spring
Improperly adjusted spring preload
Oil and gas leakage
INSTABLE HANDLING
Steering
Improperly installed upper bracket
Bent steering stem
Improperly installed steering stem
(improperly tightened ring nut)
Damaged bearing or bearing race
Wheels
Incorrect wheel balance
Deformed cast wheel
Loose bearing
Bent or loose wheel axle
Excessive wheel run-out
Frame
Twisted
Damaged head pipe
Improperly installed bearing race
8 - 5
TRBL
SHTG