2002 YAMAHA WR 426F engine

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Page 252 of 776

YAMAHA WR 426F 2002  Notices Demploi (in French) 3 - 7
INSP
ADJ
COOLANT REPLACEMENT
9. Fill:
Radiator
Engine
To specified level.
CAUTION:
Do not mix more than one type of ethyl-
ene glycol antifreeze containing corro-
sion inhibitors for aluminum

Page 254 of 776

YAMAHA WR 426F 2002  Notices Demploi (in French) 3 - 8
INSP
ADJRADIATOR CAP INSPECTION/
RADIATOR CAP OPENING PRESSURE INSPECTION
12. Install:
Coolant reservoir cap
13. Start the engine and let it warm up for
several minutes.
14. Turn off the engine

Page 260 of 776

YAMAHA WR 426F 2002  Notices Demploi (in French) 3 - 11
INSP
ADJ
THROTTLE LUBRICATION
2. Adjust:
Throttle grip free play
Throttle grip free play adjustment steps:
Remove the throttle cable cap 1 and
throttle cable cover 2.
NOTE:
Before adjusting

Page 262 of 776

YAMAHA WR 426F 2002  Notices Demploi (in French) 3 - 12
INSP
ADJDECOMPRESSION LEVER ADJUSTMENT/
AIR FILTER CLEANING
DECOMPRESSION LEVER ADJUSTMENT
1. Check:
Decompression lever free play
2. Adjust:
Decompression lever free play
AIR FILTER CLEANING

Page 264 of 776

YAMAHA WR 426F 2002  Notices Demploi (in French) 3 - 13
INSP
ADJ
1. Remove:
Seat
2. Disconnect:
Tail light lead connectors 1 
3. Remove:
Air filter case cover 2 
4. Remove:
Fitting bolt 1 
Washer 2 
Air filter element 3 
Filter guide 4 
5. Cl

Page 266 of 776

YAMAHA WR 426F 2002  Notices Demploi (in French) 3 - 14
INSP
ADJ
ENGINE OIL LEVEL INSPECTION
9. Apply:
Lithium soap base grease
On the matching surface a on air filter
element.
10. Install:
Air filter element 1 
Washer
Fitting bolt
NOTE:
Align t

Page 268 of 776

YAMAHA WR 426F 2002  Notices Demploi (in French) 3 - 15
INSP
ADJ
4. Inspect:
Oil level
Oil level should be between maximum
a and minimum b marks.
Oil level low → Add oil to proper level.
NOTE:
When inspecting the oil level, do not screw the
oil l

Page 270 of 776

YAMAHA WR 426F 2002  Notices Demploi (in French) 3 - 16
INSP
ADJ
ENGINE OIL REPLACEMENT
5. Start the engine and let it warm up for
several minutes.
CAUTION:
When the oil tank is empty, never start the
engine.
6. Idle the engine more than 10 seconds