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Yamaha 2008 WR250R User Manual

Yamaha 2008 WR250R
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-12
1
2
3
4
5
6
7
8
9
10. Start the engine, and then let it idle
for several minutes while checking
it for oil leakage. If oil is leaking, im-
mediately turn the engine off and
check for the cause.
11. Turn the engine off, and then
check the oil level and correct it if
necessary.
CAUTION:
ECA11230
After changing the engine oil, make
sure to check the oil pressure as de-
scribed below.
Remove the bleed bolt.
Start the engine and keep it
idling until oil flows out. If no oil
comes out after one minute,
turn the engine off immediately
so it will not seize. If this occurs,
have a Yamaha dealer repair the
vehicle.
After checking the oil pressure,
tighten the bleed bolt to the
specified torque.
EAU20070
Coolant
The coolant level should be checked
before each ride. In addition, the cool-
ant must be changed at the intervals
specified in the periodic maintenance
and lubrication chart.
EAU20252
To check the coolant level
1. Place the vehicle on a level sur-
face and hold it in an upright posi-
tion.
NOTE:
The coolant level must be checked
on a cold engine since the level
varies with engine temperature.
Make sure that the vehicle is posi-
tioned straight up when checking
the coolant level. A slight tilt to the
side can result in a false reading.
2. Check the coolant level in the cool-
ant reservoir.
NOTE:
The coolant should be between the
minimum and maximum level marks.
1. CD specication
2. ENERGY CONSERVING II
1
2
1. Bleed bolt
Tightening torque:
Bleed bolt:
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
1

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Yamaha 2008 WR250R Specifications

General IconGeneral
Displacement250cc
Bore x Stroke77.0mm x 53.6mm
Compression Ratio11.8:1
Fuel SystemFuel injection
Final DriveChain
Front Tire80/100-21
Rear Tire120/80-18
Fuel Capacity2.0 gal
Seat Height36.6 in
Wet Weight295 lb
Engine TypeLiquid-cooled, DOHC, 4-valve single
IgnitionTCI (Transistor Controlled Ignition)
Transmission6-speed
Front SuspensionInverted fork, fully adjustable; 10.6-in travel
Rear SuspensionSingle shock, fully adjustable; 10.6-in travel
Front BrakeHydraulic disc, 250mm
Rear BrakeHydraulic disc, 230mm
Wheelbase55.9 in
Ground Clearance11.8 in

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