Yamaha XVS6501997, Service Manual

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8-5
UNSTABLE HANDLING/
FAULTY LIGHTING AND SIGNAL SYSTEMS
TRBL
SHTG
EB908000
UNSTABLE HANDLING
UNSTABLE HANDLING
Handlebar
Improperly installed or bent
Steering
Improperly installed handlebar crown
Bent steering stem
Improperly installed steering shaft
(improperly tightened ring nut)
Damaged ball bearing or bearing race
Front fork
Uneven oil levels on both sides
Uneven spring tension
(uneven damping force adjuster position)
Broken spring
Twisted front fork
Swingarm
Worn bearing or bushing
Bent or damaged
Rear shock absorber
Faulty spring
Oil and gas leakage
Tire
Uneven tire pressures on both sides
Incorrect tire pressure
Uneven tire wear
Wheel
Incorrect wheel balance
Deformed cast wheel
Damaged bearing
Bent or loose wheel axle
Excessive wheel runout
Loosed spoke
Frame
Bent
Damaged steering head tube
Improperly installed bearing race
EB909000
FAULTY LIGHTING AND SIGNAL SYSTEMS
HEADLIGHT DOES NOT LIGHT
Improper bulb
Too many electric accessories
Hard charging (broken stator coil wire, faulty
rectifier / regulator)
Incorrect connection
Improperly grounded
Poor contacts (main or lights switch)
Bulb life expired
BULB BURNT OUT
Improper bulb
Faulty battery
Faulty rectifier / regulator
Improperly grounded
Faulty main and / or lights switch
Bulb life expired
FLASHER DOES NOT LIGHT
Improperly grounded
Discharged battery
Faulty turn switch
Faulty flasher relay
Faulty wire harness
Loosely connected coupler
Burnt-out bulb
Faulty fuse
FLASHER BLINKS SLOWLY
Faulty flasher relay
Faulty main and / or turn switch
Improper bulb
FLASHER REMAINS LIT
Faulty flasher relay
Burnt-out bulb
FLASHER BLINKS QUICKLY
Improper bulb
Faulty flasher relay
Burnt-out bulb
HORN DOES NOT SOUND
Faulty battery
Faulty fuse
Faulty main and / or horn switch
Improperly adjusted horn
Faulty horn
Broken wire harness