wheel YAMAHA YZF-R1SC 2004 Workshop Manual

9-5
FAULTY FRONT FORK LEGS / UNSTABLE HANDLING
TRBL
SHTG
MALFUNCTION

Bent or damaged inner tube

Bent or damaged outer tube

Damaged fork spring

Worn or damaged outer tube bushing

Bent or damaged damper rod

Incorrect oil viscosity

Incorrect oil level
Rear shock absorber assembly(-ies)

Faulty rear shock absorber spring

Leaking oil or gas
Tire(s)

Uneven tire pressures (front and rear)

Incorrect tire pressure

Uneven tire wear
Wheel(s)

Incorrect wheel balance

Deformed cast wheel

Damaged wheel bearing

Bent or loose wheel axle

Excessive wheel runout
Frame

Bent frame

Damaged steering head pipe

Improperly installed bearing race
EAS00861
FAULTY FRONT FORK LEGS
LEAKING OIL

Bent, damaged or rusty inner tube

Cracked or damaged outer tube

Improperly installed oil seal

Damaged oil seal lip

Incorrect oil level (high)

Loose damper rod assembly bolt

Damaged damper rod assembly bolt
copper washer

Cracked or damaged cap bolt O-ring
EAS00863
UNSTABLE HANDLING
Handlebars

Bent or improperly installed right handlebar

Bent or improperly installed left handlebar
Steering head components

Improperly installed upper bracket

Improperly installed under bracket
(improperly tightened ring nut)

Bent steering stem

Damaged ball bearing or bearing race
Front fork leg(s)

Uneven oil levels (both front fork legs)

Unevenly tensioned fork spring (both front
fork legs)

Broken fork spring

Bent or damaged inner tube

Bent or damaged outer tube
Swingarm

Worn bearing or bushing

Bent or damaged swingarm
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