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Incorrect oil level
G
Incorrect oil viscosity (high)
G
Deteriorated oil
G
EAS28590
OVERHEATING
Engine
1. Cylinder head(s) and piston(s)
Heavy carbon buildup
G
2. Engine oil
Incorrect oil level
G
Incorrect oil viscosity
G
Inferior oil quality
G
Fuel system
1. Carburetor(s)
Incorrect main jet setting
G
Incorrect fuel level
G
Damaged or loose carburetor joint
G
2. Air filter
Clogged air filter element
G
Chassis
1. Brake(s)
Dragging brake
G
Electrical system
1. Spark plug(s)
Incorrect spark plug gap
G
Incorrect spark plug heat range
G
2. Ignition system
Faulty ignitor unit
G
EAS28620
POOR BRAKING PERFORMANCE
Worn brake pad
G
Worn brake disc
G
Air in hydraulic brake system
G
Leaking brake fluid
G
Faulty brake caliper kit
G
Faulty brake caliper seal
G
Loose the union bolt
G
Damaged brake hose
G
Oil or grease on the brake disc
G
Oil or grease on the brake pad
G
Incorrect brake fluid level
G
EAS28660
FAULTY FRONT FORK LEGS
Leaking oil
Bent, damaged or rusty inner tube
G
Cracked or damaged outer tube
G
Improperly installed oil seal
G
Damaged oil seal lip
G
Incorrect oil level (high)
G
Loose damper rod assembly bolt
G
Damaged damper rod assembly bolt copper
G
washer
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8-3
TROUBLESHOOTING
Cracked or damaged cap bolt O-ring
G
Malfunction
Bent or damaged inner tube
G
Bent or damaged outer tube
G
Damaged fork spring
G
Worn or damaged outer tube bushing
G
Bent or damaged damper rod
G
Incorrect oil viscosity
G
Incorrect oil level
G
EAS28690
UNSTABLE HANDLING
1. Handlebar
Bent or improperly installed handlebar
G
2. Steering head components
Improperly installed upper bracket
G
Improperly installed lower bracket
G
(improperly tightened ring nut)
Bent steering stem
G
Damaged ball bearing or bearing race
G
3. Front fork leg(s)
Uneven oil levels (both front fork legs)
G
Unevenly tensioned fork spring (both front
G
fork legs)
Broken fork spring
G
Bent or damaged inner tube
G
Bent or damaged outer tube
G
4. Swingarm
Worn bearing or bushing
G
Bent or damaged swingarm
G
5. Rear shock absorber assembly(-ies)
Faulty rear shock absorber spring
G
Leaking oil or gas
G
6. Tire(s)
Uneven tire pressures (front and rear)
G
Incorrect tire pressure
G
Uneven tire wear
G
7. Wheel(s)
Incorrect wheel balance
G
Broken or loose spoke
G
Damaged wheel bearing
G
Bent or loose wheel axle
G
Excessive wheel runout
G
8. Frame
Bent frame
G
Damaged steering head pipe
G
Improperly installed bearing race
G
EAS28710
FAULTY LIGHTING OR SIGNALING SYSTEM
Headlight does not come on
Wrong headlight bulb
G
Too many electrical accessories
G
Hard charging
G
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Table of Contents
Troubleshooting
