Poor Braking Performance; Faulty Shock Absorber Assembly; Unstable Handling; Faulty Lighting Or Signaling System - Yamaha Grizzly550 User Manual

EAS28620

POOR BRAKING PERFORMANCE

• Worn brake pad
• Worn brake disc
• Air in hydraulic brake system
• Leaking brake fluid
• Faulty brake caliper kit
• Faulty brake caliper piston seal
• Loose union bolt
• Damaged brake hose
• Oil or grease on the brake disc
• Oil or grease on the brake pad
• Incorrect brake fluid level
EAS3B41029

FAULTY SHOCK ABSORBER ASSEMBLY

Leaking oil
• Bent, damaged or rusty damper rod
• Cracked or damaged shock absorber
• Damaged oil seal lip
Malfunction
• Fatigued or damaged shock absorber spring
• Bent or damaged damper rod
EAS28670

UNSTABLE HANDLING

1. Handlebar
• Bent or improperly installed handlebar
2. Steering
• Incorrect toe-in
• Bent steering stem
• Improperly installed steering stem
• Damaged bearing or bearing race
• Bent tie-rods
• Deformed steering knuckles
3. Shock absorber
• Faulty shock absorber spring
• Leaking oil
4. Tire(s)
• Uneven tire pressures (left and right)
• Incorrect tire pressure
• Uneven tire wear
5. Wheel(s)
• Incorrect wheel balance
• Deformed wheel
• Damaged or loose wheel bearing
• Bent or loose wheel axle
• Excessive wheel runout
6. Frame
• Bent frame
• Damaged frame
TROUBLESHOOTING
EAS28710

FAULTY LIGHTING OR SIGNALING SYSTEM

Headlight does not come on
• Wrong headlight bulb
• Too many electrical accessories
• Hard charging
• Incorrect connection
• Improperly grounded circuit
• Poor contacts (main or light switch)
• Burnt-out headlight bulb
Headlight bulb burnt out
• Wrong headlight bulb
• Faulty battery
• Faulty rectifier/regulator
• Improperly grounded circuit
• Faulty main switch
• Faulty light switch
• Headlight bulb life expired
Tail/brake light does not come on
• Wrong tail/brake light bulb
• Too many electrical accessories
• Incorrect connection
• Burnt-out tail/brake light bulb
Tail/brake light bulb burnt out
• Wrong tail/brake light bulb
• Faulty battery
• Incorrectly adjusted rear brake light switch
• Tail/brake light bulb life expired
10-4
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