2005 YAMAHA WR 250F fuel pressure

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Page 81 of 864

YAMAHA WR 250F 2005  Notices Demploi (in French) 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 2005  Notices Demploi (in French) 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 238 of 864

YAMAHA WR 250F 2005  Notices Demploi (in French) 3 - 47
INSP
ADJ
OIL PRESSURE INSPECTION
1. Check:
Oil pressure
Checking steps:
Slightly loosen the oil pressure
check bolt 
1.
Start the engine and keep it
idling until oil starts to seep from
the

Page 812 of 864

YAMAHA WR 250F 2005  Notices Demploi (in French) 7 - 1
TUNSETTING
EC700000
TUNING
EC710000
ENGINE
Carburetor setting
The air/fuel mixture will vary
depending on atmospheric condi-
tions. Therefore, it is necessary to
take into consideration the air

Page 814 of 864

YAMAHA WR 250F 2005  Notices Demploi (in French) 7 - 3
TUNSETTING
CAUTION:
The carburetor is extremely sen-
sitive to foreign matter (dirt,
sand, water, etc.). During instal-
lation, do not allow foreign mat-
ter to get into the carburetor.
Always