2009 WR250F

Key Features:

    * YZ-bred advanced aluminum framecarefully engineered from castings, forgings and extrusionsenhances handling while retaining legendary Yamaha feel and characteristics.
    * Highly evolved high-revving five-titanium-valved engine starts with the push of a button.
    * Cool digital enduro computer offers speedometer, clock, tripmeter, etc., in basic modeor pace management functions such as timer, distance-compensating tripmeter, average speed, etc., when switched to race mode.
    * The WR250F is green sticker approved for California.

 Engine:

    * 249cc liquid-cooled, DOHC four-stroke with five titanium valves delivers excellent low- and midrange power, with high over-rev capacity and crisp, linear throttle response.
    * Special WR camshafts, carburetion, and exhaust and ignition systems work together to produce a quick-revving engine with great low- and midrange power.
    * 37mm Keihin FCR flat-slide carburetor with throttle position sensor (TPS) ensures ultra-precise fuel/air mixing and lightning-quick throttle response.
    * Close-ratio five-speed gearbox tackles almost any terrain.
    * "No tools" airbox uses hinge-type quick-open lid. Battery rides low for excellent handling.
    * Digital CDI ignition system delivers more precise spark and monitors engine speed to ensure optimal timing for fast, strong response during hard acceleration.
    * Large-capacity radiators with reinforcements ensure maximum cooling efficiency with great strength.
    * Lightweight exhaust system maximizes engine power and allows hassle-free replacement of oil filter.
    * Aluminum muffler with USFS-approved spark arrestor looks trick and keeps things light.
    * Works-style clutch lever features oversize barrel adjuster for easy, on-the-fly adjustability of lever/cable play.
    * Electric start ensures easy restarts.

 Chassis/Suspension:

    * YZ-inspired aluminum frame reduces weight while optimizing mass centralization. An extensively tested assembly of aluminum forgings, castings and extrusions, the WR frame retains legendary Yamaha handling and response.
    * Removable aluminum rear subframe constructed of square-section tube for reduced weight.
    * Fully adjustable air-/oil-separate 48mm fork tubes deliver precise, fade-free handling; fork protectors provide excellent tube protection.
    * Tapered swingarm uses YZ-style linkage for controlled, compliant rear suspension action. Axle and holders reduce weight in a critical area.
    * The KYB? shock provides 12.2 inches of travel with adjusters for high- and low-speed compression damping, rebound and spring preloadand features a larger piggyback reservoir for excellent damping and fade resistance.
    * Wave disc brake rotors front and rear reduce unsprung weight and provide excellent performance. Front and rear calipers with aluminum pistons deliver strong stopping power with progressive feel.
    * Lightweight 21-inch front and 18-inch rear rims provide exceptional durability and help reduce unsprung weight for optimal suspension performance.
    * Premium Dunlop? knobbies offer unbeatable, competition-spec traction and excellent wear.

 Additional Features:

    * Cool YZ-derived bodywork and a thick seat look great and feel excellent on long rides.
    * ProTaper aluminum handlebar in forged triple clamp shaves weight and increases comfort.
    * Wide footpegs for great comfort.
    * Slim-design, lightweight fuel tank holds 2.1 gallons.
    * One-piece, high-strength, plastic skid plate shaves weight and offers great protection.
    * Lightweight, 35-watt headlight and sweet LED taillight maximize visibility and draw less current.
    * Adjustable front brake lever.
    * Repackable aluminum muffler shaves weight.
    * Front wheel collar makes front wheel removal quick and easy.

Engine
Type    250cc liquid-cooled DOHC 4-stroke; 5 titanium valves
Bore x Stroke    77.0mm x 53.6mm
Compression Ratio    12.5:1
Carburetion    Keihin? FCR 37
Ignition    CDI
Transmission    Constant-mesh 5-speed; multiplate wet clutch
Final Drive    Chain Drive
Chassis
Suspension/Front    Inverted fork; fully adjustable, 11.8-in travel
Suspension/Rear    Single shock; fully adjustable, 12.2-in travel
Brakes/Front    Hydraulic single disc brake, 250mm
Brakes/Rear    Hydraulic single disc brake, 245mm
Tires/Front    80/100-21-51M
Tires/Rear    100/100-18-59M
Dimensions
Length    85.2 in
Width    32.5 in
Height    51.1 in
Seat Height    38.6 in
Wheelbase    58.3 in
Ground Clearance    14.4 in
Fuel Capacity    2.1 gal
Wet Weight    260 lb

249cc liquid-cooled, DOHC four-stroke with five titanium..