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Yamaha YZ250 - 2011 Specifications and Reviews

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General information

CategoryCross / motocross
Year2011
ModelYamaha YZ250

Engine and Transmission Specifications

Transmission type,final driveChain
Gearbox5-speed
Cooling systemLiquid
Lubrication systemDry sump
IgnitionCDI
Fuel controlDOHC
Fuel systemCarburettor. Keihin PWK38S
Bore x stroke66.4 x 72.0 mm (2.6 x 2.8 inches)
Compression8.9:1
Engine typeSingle cylinder, two-stroke
Capacity:249.00 ccm (15.19 cubic inches)
 
 

Brakes, suspension, Frame and wheels

Rear brakes diameter245 mm (9.6 inches)
Rear brakesSingle disc
Front brakes diameter250 mm (9.8 inches)
Front brakesSingle disc
Rear tyre dimensions110/90-M19
Front tyre dimensions80/100-M21
Rear suspensionFully adjustable single shock, 12.4-in travel
Front suspension travel300 mm (11.8 inches)
Front suspensionSpeed-Sensitive System inverted fork
Frame typeAluminium

Physical measures and capacities

Fuel capacity7.95 litres (2.10 gallons)
Wheelbase1,481 mm (58.3 inches)
Ground clearance381 mm (15.0 inches)
Overall width828 mm (32.6 inches)
Overall length2,177 mm (85.7 inches)
Overall height1,306 mm (51.4 inches)
Seat height993 mm (39.1 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc103.0 kg (227.0 pounds)
 
 

Other specs

LightDual 30W Krypton multireflector Headlights and 3.9/0.5W LED Brake light
Wheelbase1,270 mm (50.0 inches)
Rear tyre20/10-9
Front tyre21/7-10
Rear SuspensionCast aluminum swingarm w/piggyback High/Low speed compression, rebound and threaded preload adjustment, 11.0-in travel
Front SuspensionIndependent double wishbone, w/Kashima coated piggyback shocks, High/Low speed compression, rebound
Driveline2WD; Sealed O-Ring Chain, Eccentric Adjustment
Bore x Stroke95.0 x 63.4 mm (3.7 x 2.5 inches)
Compression11.6:1
ModelYamaha YFZ450X SE
Color optionsTeam Yamaha Blue/White
Factory warranty30 Day (Limited Factory Warranty)
StarterElectric

Rider Reviews

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