engine coolant YAMAHA WR 250F 2004 Owners Manual

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

Page 26 of 864

YAMAHA WR 250F 2004  Owners Manual 1 - 1
GEN
INFODESCRIPTION
EC100000
GENERAL INFORMATION
EC110000
DESCRIPTION
1Clutch lever
2Hot starter lever
3Engine stop switch
4Trip meter
5Main switch
6Start switch
7Front brake lever
8Throttle gri

Page 64 of 864

YAMAHA WR 250F 2004  Owners Manual 1 - 39
GEN
INFO
1. Inspect the coolant level.
2. Turn the fuel cock to “ON”.
3. Push on the main switch to “ON”.
4. Shift the transmission into neu-
tral.
5. Fully open the cold starter knob
1

Page 81 of 864

YAMAHA WR 250F 2004  Owners Manual GENERAL SPECIFICATIONS
2 - 2
SPEC
Oil capacity:
Engine oil
Periodic oil change 1.2 L (1.06 Imp qt, 1.27 US qt)
With oil filter replacement 1.3 L (1.14 Imp qt, 1.37 US qt)
Total amount 1.4 L (1.23 Imp

Page 207 of 864

YAMAHA WR 250F 2004  Owners Manual 3 - 16
INSP
ADJ
PRE-OPERATION INSPECTION AND MAINTENANCE
EC320000
PRE-OPERATION INSPECTION AND MAINTENANCE
Before riding for break-in operation, practice or a race, make sure the machine is in good op

Page 212 of 864

YAMAHA WR 250F 2004  Owners Manual 3 - 21
INSP
ADJ
EC350000
ENGINE
COOLANT LEVEL INSPECTION
WARNING
Do not remove the radiator cap 1,
drain bolt and hoses when the
engine and radiator are hot. Scald-
ing hot fluid and steam may be
blow

Page 214 of 864

YAMAHA WR 250F 2004  Owners Manual 3 - 23
INSP
ADJ
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
INSP
ADJ
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 218 of 864

YAMAHA WR 250F 2004  Owners Manual 3 - 27
INSP
ADJ
12. Install:
Coolant reservoir cap
13. Start the engine and let it warm
up for several minutes.
14. Turn off the engine and inspect
the coolant level.
Refer to “COOLANT LEVEL
INSPEC

Page 220 of 864

YAMAHA WR 250F 2004  Owners Manual 3 - 29
INSP
ADJ
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
INSP
ADJ
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
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