Overheating. Yamaha XF50W

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Overheating. Yamaha XF50W | Manualzz

FAULTY CLUTCH/OVERHEATING/OVERCOOLING

TRBL Q

SHTGl •

POOR SPEED PERFORMANCE

V-belt

8Worn V-belt

8Oil or grease on the V-belt

Hose(s) and pipe(s)

8Damaged hose

8Improperly connected hose

8Damaged pipe

8Improperly connected pipe

Primary pulley weight(s)

8Faulty operation

8Worn primary pulley weight

FUEL SYSTEM

Throttle body

8Damaged or loose throttle body joint

Primary fixed sheave

8Worn primary fixed sheave Air filter

8Clogged air filter element

Primary sliding sheave

8Worn primary sliding sheave

Secondary fixed sheave

8Worn secondary fixed sheave

CHASSIS

Brake(s)

8Dragging brake

Secondary sliding sheave

8Worn secondary sliding sheave

ELECTRICAL SYSTEMS

Spark plug

8Incorrect spark plug gap

8Incorrect spark plug heat range

EAS00855

OVERHEATING Ignition system

8Faulty coolant temperature sensor

8Faulty ECU

ENGINE

Clogged coolant passages

8Heavy carbon buildup

EAS00856

OVERCOOLING

Engine oil

8Incorrect oil level

8Incorrect oil viscosity

8Inferior oil quality

COOLING SYSTEM

Thermostat

8Thermostat stays open

COOLING SYSTEM

Coolant

8Low coolant level

Radiator

8Damaged or leaking radiator

8Faulty radiator cap

8Bent or damaged radiator fan

Water pump

8Damaged or faulty water pump

Thermostat

8Thermostat stays closed

Oil cooler

8Clogged or damaged oil cooler

9-4

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