Faulty Brake; Poor Braking Effect; Shock Absorber Malfunction; Malfunction - Yamaha Raptor 90 YFM90RA 2011 Service Manual

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FAULTY BRAKE/SHOCK ABSORBER MALFUNCTION/
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
• Leaking oil
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
UNSTABLE HANDLING
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
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
8 - 4
TRBL
SHTG

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