This bike is about the best bike you can get. This bike is the most fastest, most powerful and most torquey 250F I have ever ridden and is so light at the same time. It’s also super easy to get parts unlike the KTMs. They’re also easy to fix when broke. But they rarely ever break. Very sturdy and comfortable. It has so much power!!!
This bike is simply amazing. The new KX250f will destroy about any other brand named 250f’s out there. It’s unbelievable. The suspension and speed is all what it’s about. The cornering is perfect; you can take the tightest corners in a race to pass up SUZUKI, KTM, HONDA, YAMAHA and you can ride it all day. This bike rips! The Kawasaki will out last, out beat and out put any bikes on the market. If I were you I would switch from what you’re riding to the KX250f.
Conclusion
This bike is excellent. The power is smooth and there’s tons of torque. This bike flies perfectly on the track, has so much power and I love that it turns on first kick. It’s simply a blast to ride.
You just can’t argue with results. Kawasaki’s KX™250F motorcycle has been a dominant force in professional supercross and motocross racing over the last two years. Now, this world-beating machine gets even better, with a host of refinements offering improved shifting, quicker handling and boosted reliability.
The KX250F was a model of speed and consistency throughout the 2007 AMA Supercross Lites seasons, sweeping both the AMA West Region Supercross Lites and East Region Supercross Lites championships plus the National Arenacross titles. Now, the lessons learned on the racetrack come home to roost in the 2008 machine.
New crankcases provide increased rigidity in the areas surrounding the crankshaft, transmission input and transmission output shafts to transfer torque more-efficiently and improve overall durability in the toughest race conditions. A new shift lever, positioned three degrees higher, offers a finer spline pitch so that it can be adjusted more accurately and provides more-positive shifting.
To compliment the increased longitudinal rigidity introduced on the 2007 KX250F’s frame, the 2008 model features new engine mounts which use a 10mm longer spacer to reduce torsional rigidity. This new chassis rigidity balance provides even quicker steering, better rider feel and a boost in rear wheel traction.
Subtle suspension refinements improve suspension feel, turning response and bottoming resistance. These changes include smaller air passages at the top of the fork cartridges which provide an enhanced air “spring” effect for smoother compression damping, while .5mm thicker fork piston rods provide increased rigidity and smoother response through the middle of the suspension’s stroke. Updated settings in the rear shock provide a smoother mid-stroke response to compliment the changes in the front fork valving, while a slightly higher ride height provides quicker handling and a more aggressive feel.
The 2008 KX250F will be available in Kawasaki Lime Green, with factory-look black alumite coated rims standard.
Racers who ride their KX250F at designated events are eligible to receive support from Team Green™, Kawasaki’s amateur racing support program. Each year, Team Green provides regional support vehicles and highly trained technicians at more than 100 events, offering technical information and assistance to those who race Kawasaki products. Kawasaki also offers a comprehensive contingency program for amateur and professional riders who place well at designated events.
249cc, liquid-cooled, four-stroke, four-valve, DOHC engine delivers hard-hitting power from mid- to high-rpm
Features improvements in rigidity and reliability
Wide powerband for excellent low-rpm torque and blistering over-rev
Top End
Polished intake ports for an extremely-smooth surface that improves intake flow at every rpm
Ultra-light thin-stem titanium valves feature thick skirts and extended guides for maximum durability
New head gasket offers better sealing
Special valve seat material helps prevent wear on the titanium valves
K-TRIC digital microcomputer controlled ignition system with coil on plug “stick” ignition to save weight and improve performance
Digital ignition tuned to maximize top-end and over-rev, includes a spark-controlled rev limiter for more precise control of maximum engine rpm
Bottom End
New more-rigid crankcase around the crankshaft and on the left side, near the input and output shafts for increased reliability and more-efficient torque transfer
New kickstart ratchet is 3.5mm thicker for better feel and reliability
Crankshaft is surface-hardened for maximum rigidity
Twin oil pumps ensure proper lubrication and oil scavenging for optimum performance
Lightweight magnesium clutch, generator and cylinder head covers
Cooling
High-capacity Denso radiators are designed to offer superior cooling in a slim profile
Shifting
New 3mm higher shift lever with precise adjustability for maximum rider control
Frame
All-aluminum perimeter frame features composite structure, utilizing forged, extruded and cast components
10mm wider engine mount spacers reduce torsional rigidity for quicker steering, improved rear wheel traction and better rider feel
The slim profile of the frame, two-piece radiator shrouds that leave the upper frame spars exposed, and careful design of the remaining bodywork make the KX250F feel light and narrow beneath the rider
2008 Kawasaki KX250F
Front Suspension
Showa twin-chamber fork keeps oil and air in separate chambers for stable damping performance during long motos
Fork features .5mm thicker piston rods for smoother mid-stroke action
New smaller air passages at the top of the fork cartridge provide more of an “air spring” effect during compression, for more consistent damping
Rear Suspension
Showa shock with revised tuning
Raised ride height provides quicker turning and improved bottoming resistance
Fine rear shock damping adjuster needle allows precise suspension tuning
Alloy swingarm uses cast front section, tapered hydroformed spars and forged chain pullers; the tapered spars are shaped to match the balance of flex and rigidity required of the aluminum frame
Engine: Four-stroke single with DOHC and four valves Displacement: 249cc Bore x stroke: 77.0 x 53.6mm Cooling: Liquid Carburetion: Keihin FCR37 and hot start circuit Compression ratio: 13.5:1 Ignition: Multi-map digital CDI with K-TRIC throttle position sensor Transmission: Five-speed with wet multi-disc manual clutch Final drive: Chain Frame: Aluminum perimeter Rake / trail: 27.7 degrees / 4.7 in. Front suspension / wheel travel: 47mm inverted Showa twin-chamber telescopic fork with 16-way compression and rebound damping / 12.4 in. Rear suspension / wheel travel: UNI-TRAK® linkage system and Showa shock with 13-way low-speed and stepless high-speed compression damping, 17-way rebound damping and fully adjustable spring preload / 12.2 in. Front tire: 80/100-21 51M Rear tire: 100/90-19 57M Front brake: Single semi-floating 250mm petal disc with dual piston caliper Rear brake: Single 240mm petal disc with single-piston caliper Overall length: 85.0 in. Overall width: 32.3 in. Overall height: 50.0 in. Wheelbase: 57.8 in. Ground clearance: 13.2 in. Seat height: 37.8 in. Dry weight: 204 lbs. Fuel capacity: 1.9 gal. Color: Lime Green MSRP: $6,099
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