2008 Yamaha YZ250F (discontinued)

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    i think this bike is perfect !!!!

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    Vital MX member George_Untalan
    22530 George_Untalan http://p.vitalmx.com/photos/users/22530/avatar/c50_91510410_1284656503.jpg?1294200391 http://www.vitalmx.com/community/George-Untalan,22530/all 09/16/10 1 1


    They are all imported with CA emmision's. We had to change jets and it improved the lower end. Love the sound of the bike.

    They are all imported with CA emmision's. We had to change jets and it improved the lower end. Love the sound of the bike.

    Rate review: 0 Up Down
    Vital MX member Joeman66
    21970 Joeman66 http://p.vitalmx.com/photos/users/21970/avatar/c50_97621650_1282499358.jpg?1294199777 http://www.vitalmx.com/community/Joeman66,21970/all 08/22/10 1 1


    i have the white and its amazing needs better low end to mid range

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    Vital MX member yzJordan
    21635 yzJordan http://p.vitalmx.com/photos/users/21635/avatar/c50_100053800_1281221149.jpg?1294199353 http://www.vitalmx.com/community/yzJordan,21635/all 08/02/10 1 3 9 1


    it does just about everything exceptionally well

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    Vital MX member Ernesto_215
    19501 Ernesto_215 http://p.vitalmx.com/photos/users/19501/avatar/c50_93590480_1268109727.jpg?1294196467 http://www.vitalmx.com/community/Ernesto-215,19501/all 03/08/10 2 1


    Model Year 2008
    Engine Type Liquid-cooled DOHC 4-stroke; 5 titanium valves
    Engine Displacement 250cc
    Bore x Stroke 77.0mm x 53.6mm
    Compression Ratio 13.5:1
    Fuel System FCR-MX37 x 1
    Ignition CDI
    Transmission Constant-mesh 5-speed; multiplate wet clutch
    Final Drive Chain Drive
    Suspension Front Speed-Sensitive System inverted fork; fully adjustable, 11.8-in travel
    Suspension Rear Fully adjustable single shock; 12.0-in travel
    Brakes Front Hydraulic single disc brake, 250mm
    Brakes Rear Hydraulic single disc brake, 245mm
    Tires Front 80/100-21-51M
    Tires Rear 100/90-19-57M
    Overall Length 85.1 in
    Overall Width 32.5 in
    Overall Height 51.2 in
    Seat Height 38.8 in
    Wheelbase 57.8 in
    Ground Clearance 14.6 in
    Fuel Capacity 1.8 gal
    Curb Weight 204.4 lb

    Key Features:

    • Ongoing refinement to chassis and engine produce an amazingly balanced, light-handling machine with performance that's accessible to all levels of riders.
    • Five-titanium-valve engine with increased compression spins out even more torque and horsepower.
    • A carefully tuned aluminum frame made up of forgings, weldings, castings and tubing means sharp, super-precise handling.
    • Mass centralization provides fantastic overall balance and performance.
    • A ProTaper aluminum handlebar in adjustable clamps, Excel rims and a titanium shock spring are just a few tricks up the YZ250F’s sleeve.

    New for 2008:

    • A redesigned piston bumps compression ratio from 12.5:1 to 13.5:1, further exploiting the inherent efficiency of the five-valve combustion chamber. Carburetion and ignition revisions complement the increased compression.
    • Adjustment of gear backlash between clutch primary gears and balancer gears reduces mechanical noise.
    • Changes to the clutch boss and primary driven gear improve clutch oiling for excellent durability.
    • Matte black crankcase covers: light and cool-looking.
    • Changes to the shape of the outer fork tubes and lower triple clamp, and revised fork internals, result in excellent handling, great damping and a smooth ride.
    • Optimized linkage ratio provides a smoother ride and enhanced rear wheel traction.
    • 55mm stainless steel footpegs replace 45mm ones for great grip and comfort, and a new brake pedal eases operation.
    • Grippy new Bridgestone knobbies front and rear.


    • Liquid-cooled 250cc, five-titanium-valved, DOHC, four-stroke is powerful and highly tractable, with an rpm redline for competition-crushing pulling power.
    • 37mm Keihin FCR flat-slide carburetor with throttle position sensor (TPS) ensures precise fuel/air mixing and lightning-quick throttle response.
    • CDI ignition provides a hot, consistent spark across the powerband for right-now throttle response.
    • Lightweight, titanium header pipe (with titanium heat shield) flows into an aluminum silencer for maximum power.
    • Cylinder body and crankcase feature a large cutaway section to reduce pumping loss and increase midrange performance.
    • Primary kickstarting (with automatic decompression and convenient handlebar-mounted hot start lever) ensures easy restarts.
    • Slick, five-speed transmission with heavy-duty, multiplate clutch features an involute spline setup, ensuring smooth shifting and instant hookup under power.
    • Magnesium cylinder head cover helps shave weight.
    • Trick, works-style clutch lever features race-spec barrel adjuster for on-the-fly adjustability.


    • Extensively tested aluminum frame uses a mix of alloy castings, forgings and extrusions to produce a tuned-flex frame that makes the YZ250F the best-handling bike in its class.
    • Speed-Sensitive System 48mm Kayaba fork places transfer control valves (TCV) above the fork springs, so that damping force is controlled by piston speed: Eliminating mid-stroke damping force changes provides a smoother, more precise ride.
    • Titanium-sprung, four-way adjustable, rear shock with Kashima-coated internals reduces friction for fantastic compliance and great handling.
    • Removable aluminum rear subframe is constructed of square-section tubing for light weight and easy maintenance.
    • Lightweight front wheel hub for reduced unsprung weight and increased durability.
    • Lightweight front and rear brake calipers with aluminum pistons and anti-bubble front master cylinder; new wave-style rotors reduce unsprung weight and deliver strong stopping power.
    • Lightweight 21-inch front and 19-inch rear Excel rims are exceptionally durable and reduce unsprung weight.

     Additional Features:

    • “Gripper” style seat cover offers excellent feel and control.
    • ProTaper handlebar with durable, comfortable grips.
    Price $6249.00
    More Info

    $6,249 (Team Yamaha Blue/White)
    Available from June 2007

    $6,349 (White/Red)
    Available from June 2007

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