Overheating; Faulty Brake; Poor Braking Performance; Front Fork Oil Leakage And Front Fork Malfunction - Yamaha BT1100 2002 Service Manual

OVERHEATING/FAULTY BRAKE/FRONT FORK OIL
EB905000

OVERHEATING

OVERHEATING
Ignition system
• Improper spark plug gap
• Improper spark plug heat range
• Faulty ignitor unit
Fuel system
• Improper carburetor main jet setting
• Improper fuel level
• Clogged air filter element
EB906001

FAULTY BRAKE

POOR BRAKING PERFORMANCE

Disc brake
• Worn brake pad
• Worn disc
• Air in brake fluid
• Leaking brake fluid
• Faulty cylinder kit cup
• Faulty caliper kit seal
• Loose union bolt
• Broken brake hose
• Oily or greasy disc/brake pad
• Incorrect brake fluid level
EB907000

FRONT FORK OIL LEAKAGE AND FRONT FORK MALFUNCTION

MALFUNCTION

• Bent, deformed or damaged inner tube
• Bent or deformed outer tube
• Damaged fork spring
• Worn or damaged slide metal
• Bent or damaged damper rod
• Improper oil viscosity
• Improper oil level
LEAKAGE AND FRONT FORK MALFUNCTION
Compression system
• Heavy carbon build-up
Engine oil
• Improper oil level
• Improper oil viscosity
• Inferior oil quality
Brake
• Brake drag

OIL LEAKAGE

• Bent, damaged or rusty inner tube
• Damaged or cracked outer tube
• Damaged oil seal lip
• Improperly installed oil seal
• Improper oil level (too high)
• Loose damper rod holding bolt
• Broken cap bolt O-ring
• Loose drain bolt
• Damaged drain bolt gasket
8-4
TRBL
?
SHTG