Yamaha YFM90RA Model Vehicle User Manual


 
8 - 4
TRBL
SHTG
FAULTY BRAKE/SHOCK ABSORBER MALFUNCTION/
UNSTABLE HANDLING
EBS00549
FAULTY BRAKE
POOR BRAKING EFFECT
Front drum brake
Worn brake shoe lining
Worn brake drum
Oily or greasy brake shoe lining
Oily or greasy brake drum
Improperly adjusted brake lever free play
Improper brake cam lever position
Improper brake shoe position
Fatigued/damaged return spring
Broken brake cable
EBS00551
SHOCK ABSORBER MALFUNCTION
MALFUNCTION
Bent or damaged damper rod
Damaged oil seal lip
Fatigued shock absorber spring
EBS00552
UNSTABLE HANDLING
UNSTABLE HANDLING
Handlebar
Improperly installed or bent
Steering
Incorrect toe-in
Bent steering stem
Improperly installed steering stem
Damaged bearing or bearing race
Bent tie rods
Deformed steering knuckles
Tires
Uneven tire pressures on both sides
Incorrect tire pressure
Uneven tire wear
Wheels
Deformed wheel
Loose bearing
Bent or loose wheel axle
Excessive wheel runout
Frame
Bent
Damaged frame
Swingarm
Worn bearing or bushing
Bent or damaged
Rear disc brake
• Worn brake pads
• Worn disc
• Air in brake fluid
• Leaking brake fluid
• Faulty master cylinder kit cup
• Faulty caliper kit seal
• Loose union bolt
• Broken brake hose and pipe
• Oily or greasy disc/brake pads
• Improper brake fluid level
Leaking oil