2004 YAMAHA YZ250F engine

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Page 170 of 662

YAMAHA YZ250F 2004  Notices Demploi (in French) 3 - 6
INSP
ADJ
COOLANT REPLACEMENT
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 spla

Page 172 of 662

YAMAHA YZ250F 2004  Notices Demploi (in French) 3 - 7
INSP
ADJ
RADIATOR CAP INSPECTION
CAUTION:
Do not mix more than one type of ethyl-
ene glycol antifreeze containing corro-
sion inhibitors for aluminum engine.
Do not use water containing impur

Page 178 of 662

YAMAHA YZ250F 2004  Notices Demploi (in French) 3 - 10
INSP
ADJTHROTTLE CABLE ADJUSTMENT/
THROTTLE LUBRICATION
THROTTLE CABLE ADJUSTMENT
1. Check:
Throttle grip free play a 
Out of specification → Adjust.
Throttle grip free play a:
3 ~ 5 mm (0.1

Page 180 of 662

YAMAHA YZ250F 2004  Notices Demploi (in French) 3 - 11
INSP
ADJHOT STARTER LEVER ADJUSTMENT/
AIR FILTER CLEANING
HOT STARTER LEVER ADJUSTMENT
1. Check:
Hot starter lever free play a
Out of specification → Adjust.
2. Adjust:
Hot starter lever fr

Page 184 of 662

YAMAHA YZ250F 2004  Notices Demploi (in French) 3 - 13
INSP
ADJ
7. Install:
Air filter element 1 
Washer
Fitting bolt
NOTE:
Align the projection a on filter guide with the
hole b in air filter case.
T R..2 Nm (0.2 m · kg, 1.4 ft · lb)
ENGINE O

Page 186 of 662

YAMAHA YZ250F 2004  Notices Demploi (in French) 3 - 14
INSP
ADJ
ENGINE OIL LEVEL INSPECTION
(For USA and CDN)
CAUTION:
Do not add any chemical additives.
Engine oil also lubricates the clutch and
additives could cause clutch slippage.
Do not allo

Page 188 of 662

YAMAHA YZ250F 2004  Notices Demploi (in French) 3 - 15
INSP
ADJ
ENGINE OIL REPLACEMENT
ENGINE OIL REPLACEMENT
1. Start the engine and warm it up for sev-
eral minutes, and then turn off the engine
and wait for five minute.
2. Place the machine on a

Page 190 of 662

YAMAHA YZ250F 2004  Notices Demploi (in French) 3 - 16
INSP
ADJ
ENGINE OIL REPLACEMENT
7. If the oil filter is to be replaced during this
oil change, remove the following parts
and reinstall them.
8. Install:
Copper washer 1 
Oil strainer (frame)