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2009 YZ250F

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2009 YZ250F

2006 WR250F
Engine

2009 YZ250F

2006 WR250F

Bore x Stroke77.0mm x 53.6mm77 x 53.6mm
Compression Ratio13.5:112.5:1
Final DriveChain Drive#520 O-ring Chain
Fuel DeliveryKeihin® FCR MX3737mm Keihin FCR flat-slide w/throttle position sensor
IgnitionCDIDigital CDI
TransmissionConstant-mesh 5-speed; multiplate wet clutchWide-ratio, 5-speed w/multi-plate wet clutch
Type250cc liquid-cooled DOHC 4-stroke; 5 titanium valves249cc, liquid-cooled, 5-valve, DOHC, 4-stroke w/titanium valves
Chassis

2009 YZ250F

2006 WR250F

Brakes/FrontHydraulic single disc brake, 250mm250mm Floating Disc
Brakes/RearHydraulic single disc brake, 245mm245mm Disc
Suspension/FrontSpeed-Sensitive System inverted fork; fully adjustable, 11.8-in travel48mm Kayaba inverted telescopic fork w/adjustable compression and rebound damping; 11.8" travel
Suspension/RearFully adjustable single shock; 12.0-in travelKayaba single shock w/adjustable preload, compression and rebound damping & separate hi/lo-speed compression adjuster; 12.0" travel
Tires/Front80/100-21 Bridgestone® 40380/100-21 Dunlop
Tires/Rear100/90-19 Bridgestone® 404100/100-18 Dunlop
Dimensions

2009 YZ250F

2006 WR250F

Dry WeightSpec Not Available234.8 lb.
Fuel Capacity1.8 gal2.1 gal.
Ground Clearance14.6 in14.57"
Height51.2 in50.79"
Length85.1 in86.22"
Seat Height38.8 in38.4"
Wet Weight226 lbSpec Not Available
Wheelbase57.8 in58.1"
Width32.5 in32.68"
Other

2009 YZ250F

2006 WR250F

Warranty30 Day (Limited Factory Warranty)30 Day (Limited Factory Warranty)
MSRP*$6,549 (Team Yamaha Blue/White) Available from July 2008
$6,649 (White/Red) Available from July 2008
$6,099 (Team Yamaha Blue/White)