2006 YAMAHA WR 250F check oil

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Page 223 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 3 - 16
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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 250 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 3 - 43
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4. Remove:
Oil tank cap 
1 
Oil filler cap 
2 
Frame oil drain bolt 
3 
Crankcase oil drain bolt 
4 
Oil filter element drain bolt 
5 
Drain the crankcase and oil
tank (frame) of

Page 252 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 3 - 45
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8. Install:
Copper washer 
1 
Oil strainer (frame) 
2 
Oil hose 
3 
Bolt (oil hose) 
4 
Oil hose clamp 
5 
Lower engine bracket
9. Install:
Copper washer
Oil filter element dra

Page 254 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 3 - 47
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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 286 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 3 - 79
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DRIVE CHAIN INSPECTION
1. Measure:
Drive chain length (15 links) 
a 
Out of specification 
→ 
Replace.
NOTE:While measuring the drive chain
length, push down on the drive
chain to

Page 288 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 3 - 81
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ADJ
6. Install:
Chain joint 
1 
O-ring 
2 
Drive chain 
3 
NOTE:When installing the drive chain, apply
the lithium soap base grease on the
chain joint and O-rings.
7. Install:
Link pla

Page 306 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 3 - 99
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EC36Q000TIRE PRESSURE CHECK
1. Measure:
Tire pressure
Out of specification 
→ Adjust.
NOTE:Check the tire while it is cold.
Loose bead stoppers allow the tire
to slip off its posi

Page 316 of 900

YAMAHA WR 250F 2006  Notices Demploi (in French) 3 - 109
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ADJ
2. Attach:
Timing light 
Inductive tachometer 
To the ignition coil lead
(orange lead 
1).
Timing light:
YM-33277-A/
90890-03141
1
3. Adjust:
Engine idling speed
Refer to “ENGINE