2007 YAMAHA WR 250F check oil

[x] Cancel search: check oil

Page 302 of 912

YAMAHA WR 250F 2007  Owners Manual 3 - 91
INSP
ADJ
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 304 of 912

YAMAHA WR 250F 2007  Owners Manual 3 - 93
INSP
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 322 of 912

YAMAHA WR 250F 2007  Owners Manual 3 - 111
INSP
ADJ
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 pos

Page 334 of 912

YAMAHA WR 250F 2007  Owners Manual 3 - 123
INSP
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

Page 336 of 912

YAMAHA WR 250F 2007  Owners Manual 3 - 125
INSP
ADJ
BATTERY INSPECTION AND 
CHARGING
WARNING
Batteries generate explosive
hydrogen gas and contain electro-
lyte which is made of poisonous
and highly caustic sulfuric acid. 
Therefore, a

Page 398 of 912

YAMAHA WR 250F 2007  Owners Manual 4 - 39
TUNSETTING
EC72H002Suspension setting
Front fork
NOTE:If any of the following symptoms is experienced with the standard position as the base, make resetting by reference to
the adjustment pro

Page 466 of 912

YAMAHA WR 250F 2007  Owners Manual 5 - 59
ENGCAMSHAFTS
Decompression system
1. Check:
Decompression system
Checking steps:
Check that the decompression
mechanism cam 
1 moves
smoothly.
Check that the decompression
mechanism cam leve

Page 568 of 912

YAMAHA WR 250F 2007  Owners Manual 5 - 161
ENGOIL TANK
INSPECTION
Oil pump
1. Inspect:
Oil pump drive gear 
1 
Oil pump drive shaft 
2 
Rotor housing 
3 
Oil pump cover 
4 
Cracks/wear/damage 
→ 
Replace.1
32
4
2. Measure:
Tip c