Specifications - Yamaha WR250R Owner's Manual

Dimensions:
Overall length:
2180 mm (85.8 in)
Overall width:
810 mm (31.9 in)
Overall height:
1230 mm (48.4 in)
Seat height:
930 mm (36.6 in)
Wheelbase:
1420 mm (55.9 in)
Ground clearance:
300 mm (11.81 in)
Minimum turning radius:
2.3 m (7.55 ft)
Weight:
Curb weight:
134 kg (295 lb)
Engine:
Combustion cycle:
4-stroke
Cooling system:
Liquid cooled
Valve train:
DOHC
Number of cylinders:
Single cylinder
Displacement:
3
250 cm
Bore  stroke:
77.0  53.6 mm (3.03  2.11 in)
Compression ratio:
11.8 : 1
EAU69993 Starting system:
Electric starter
Lubrication system:
Wet sump
Engine oil:
Recommended brand:
YAMALUBE
SAE viscosity grades:
10W-40
Recommended engine oil grade:
API service SG type or higher, JASO stan-
dard MA
Engine oil quantity:
Oil change:
1.30 L (1.37 US qt, 1.14 Imp.qt)
With oil filter removal:
1.40 L (1.48 US qt, 1.23 Imp.qt)
Coolant quantity:
Coolant reservoir (up to the maximum level
mark):
0.25 L (0.26 US qt, 0.22 Imp.qt)
Radiator (including all routes):
0.65 L (0.69 US qt, 0.57 Imp.qt)
Air filter:
Air filter element:
Wet element
Fuel:
Recommended fuel:
Premium unleaded gasoline (Gasohol
[E10] acceptable)
Fuel tank capacity:
7.6 L (2.0 US gal, 1.7 Imp.gal)
Fuel reserve amount:
2.1 L (0.55 US gal, 0.46 Imp.gal)
Fuel injection:
Throttle body:
Spark plug(s):
Manufacturer/model:
Spark plug gap:
Clutch:
Clutch type:
Drivetrain:
Primary reduction ratio:
Final drive:
Secondary reduction ratio:
Transmission type:
Gear ratio:
8-1

Specifications

ID mark:
3D71 10
NGK/CR9EK
0.6–0.7 mm (0.024–0.028 in)
Wet, multiple-disc
3.120 (78/25)
Chain
3.308 (43/13)
Constant mesh 6-speed
1st:
2.643 (37/14)
2nd:
1.813 (29/16)
3rd:
1.318 (29/22)
4th:
1.040 (26/25)
5th:
0.889 (24/27)
6th:
0.786 (22/28)
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