Overheating; Engine; Fuel System; Chassis - Yamaha XV1600A1999 Service Manual

OVERHEATING/POOR BRAKING PERFORMANCE/
EAS00855

OVERHEATING

ENGINE

Cylinder heads and pistons (See page 5-53
to 5-59)
S Heavy carbon buildup
Engine oil (See page 3-20 to 3-21)
S Incorrect oil level
S Incorrect oil viscosity
S Inferior oil quality

FUEL SYSTEM

Carburetor (See page 6-1 to 6-20)
S Incorrect main jet setting
S Incorrect fuel level
S Damaged or loose carburetor joint
Ait filter (See page 3-7 and 3-29)
S Clogged air filter element
EAS00857
POOR BRAKING PERFORMANCE (See page 3-34 to 3-38 and 4-22 to 4-54)
S Worn brake pad
S Worn brake disc
S Air in hydraulic brake system
S Leaking brake fluid
S Faulty brake caliper seal
S Loose union bolt
S Damaged brake hose
S Oil or grease on the brake disc
S Oil or grease on the brake pad
S Incorrect brake fluid level
EAS00860
FAULTY FRONT FORK LEGS (See page 3-43 to 3-44 and 4-55 to 4-66)

LEAKING OIL

S Bent, damaged, or rusty inner tube
S Damaged outer tube
S Incorrectly installed oil seal
S Damaged oil seal lip
S Incorrect oil level (high)
S Loose damper rod assembly bolt
S Damaged cartridge cylinder bolt copper washer
S Damaged cap bolt O-ring

FAULTY FRONT FORK LEGS

CHASSIS

Brakes (See page 3-34 to 3-38 and 4-22 to
4-54)
S Dragginh brake

ELECTRICAL SYSTEMS

Spark plugs (See page 3-14 to 3-15)
S Incorrect spark plug gap
S Incorrect spark plug heat range
Ignition system (See page 7-12 to 7-16)
S Faulty ignitor unit

MALFUNCTION

S Bent or damaged inner tube
S Bent or damaged outer tube
S Damaged fork spring
S Worn or damaged outer tube bushing
S Bent or damaged cartridge
S Incorrect oil viscosity
S Incorrect oil level
8-4
TRBL
SHTG