aux YAMAHA WR 250F 2004 Owner's Manual

YAMAHA WR 250F 2004 Owner's Manual WR 250F 2004 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/52336/w960_52336-0.png YAMAHA WR 250F 2004 Owner's Manual

Page 214 of 864

YAMAHA WR 250F 2004 Owners Manual 3 - 23
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COOLANT REPLACEMENT
WARNING
Do not remove the radiator cap
when the engine is hot.
CAUTION:
Take care so that coolant does not
splash on painted surfaces. If it
splashes, wash it away

Page 216 of 864

YAMAHA WR 250F 2004 Owners Manual 3 - 25
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9. Fill:
Radiator
Engine
To specified level.
CAUTION:
Do not mix more than one type
of ethylene glycol antifreeze
containing corrosion inhibitors
for aluminum engine.
Do not use wa

Page 220 of 864

YAMAHA WR 250F 2004 Owners Manual 3 - 29
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3. Inspect:
Pressure
Impossible to maintain the
specified pressure for 10 sec-
onds 
→ Replace.
COOLING SYSTEM INSPECTION
1. Inspect:
Coolant level
2. Attach:
Radiator cap tester

Page 240 of 864

YAMAHA WR 250F 2004 Owners Manual 3 - 49
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ENGINE IDLING SPEED 
ADJUSTMENT
1. Start the engine and thoroughly
warm it up.
2. Adjust:
Engine idling speed
Adjustment steps:
Adjust the pilot screw.
Refer to “PILOT SCREW
ADJUST

Page 258 of 864

YAMAHA WR 250F 2004 Owners Manual 3 - 67
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3. Install:
Protector (rear brake)
Reservoir float (front brake)
Diaphragm
Brake master cylinder cap
EC362040FRONT BRAKE ADJUSTMENT
1. Check:
Brake lever position 
a 
2. Remove:


Page 274 of 864

YAMAHA WR 250F 2004 Owners Manual 3 - 83
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3. Adjust:
Drive chain slack
DRIVE CHAIN STOPPER 
INSPECTION
1. Inspect:
Drive chain stopper 
1 
Wear indicator groove 
a has
almost disappeared 
→
Replace.
2. Replace:
Drive chai

Page 302 of 864

YAMAHA WR 250F 2004 Owners Manual 3 - 111
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BATTERY INSPECTION AND 
CHARGING
WARNING
Batteries generate explosive
hydrogen gas and contain electro-
lyte which is made of poisonous
and highly caustic sulfuric acid. 
Therefore, a

Page 303 of 864

YAMAHA WR 250F 2004 Owners Manual INSP
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3 - 112
BATTERIE KONTROLLIEREN UND 
LADEN
WARNUNG
Die in Batterien enthaltene Schwe-
felsäure ist giftig und stark ätzend.
Außerdem entsteht beim Laden
der Batterie explosives Wasser-
stof

Page 304 of 864

YAMAHA WR 250F 2004 Owners Manual 3 - 113
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1. Remove: 
Seat
2. Disconnect: 
Battery leads
(from the battery terminals)
CAUTION:
First, disconnect the negative bat-
tery lead 1, and then the positive
battery lead 2.
3. Remove

Page 322 of 864

YAMAHA WR 250F 2004 Owners Manual 3 - 131
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REPLACING THE HEADLIGHT 
BULBS
1. Remove:
Headlight
Refer to “SEAT, FUEL TANK
AND SIDE COVERS” section
in the CHAPTER 4.
2. Remove:
Headlight bulb holder cover 
1 
3. Detach:
H