Kawa having brought its share of evolutions to the 250 KX in 2018, the 2019 vintage only brings graphic changes. MX2 cross country therefore builds on its heritage from last year, which is far from the worst. Let’s see again:
Component changes and fork settings are accompanied by shock absorber adjustments for better shock absorption and optimized operation.
The evolution of the engine was the top priority. With the ultimate goal of reduced lap times – Thus the emphasis is on optimizing acceleration at the start – the KX 250 sees changes to the design of the intake and has a new system exhaust.
With new injection settings, the fuel pump pressure has increased, the injector mounting angle is less open, and the intake body has been shortened. The result is a reduced compression ratio to 13.4: 1 as well as increased horsepower and torque..
The redesigned exhaust is both longer and wider and contributes to a double benefit: extra horsepower and torque. The result ? Better feel at low and mid-range, which improves the feeling of power over the entire range and allows better control at high speeds.
With more manageable power and torque, the KX 250 promises to be the benchmark in MX2 and the queen of the holeshot.
The key points of the KX 250 F 2018/2019:
– The aluminum perimeter frame is narrower between the main beams and has revised stiffness for better front end feel.
– The high-performance piston (inspired by those used in competition) has a new design, optimized rigidity and reduced weight.
– Thanks to their adjustable plate, the footrests can be lowered by 5 mm; by lowering the center of gravity and line of sight, this position enhances physical and psychological stability.
– The SFF type 2 fork separates the damping functions in the left tube and the spring in the right tube. The 48 mm diameter tubes and the organization of the internal elements improve the riding comfort, the feeling of the nose gear, reduce the bottoming out and improve the stability when landing jumps or when taking the brakes.
Since 2018, the revised settings improve braking and cornering stability..
– Titanium surface treatment "Super hard" (unique in this category) prevents wear on the fork. The self-lubricating alumite treatment provides a resistant surface that generates little friction on the outer face of the tube which allows the fork to operate smoothly.
– The original settings for the three maps are: Standard, Hard, and Soft. Using the supplied DFI plugs, the pilot easily switches from one map to another to adapt the settings to the driving conditions.
– The 270mm front disc delivers impressive stopping power while remaining controllable. The petal brake discs also contribute to the overall quality impression and sporty look..
– The ECU has been entirely designed to meet the needs of Motocross competition. The ECU contains 3 engine maps (plus a fourth which governs Launch Control).
The settings of these 3 maps can be easily adjusted using the optional KX FI injection calibration tool.
– The use of double injectors for the KX 250 is one of the keys to the efficiency of the air-fuel mixture. The engine, optimized for performance, revs very easily and is complemented by a very quick response. For 2018, the acceleration of the gas mixture thanks to the adoption of a more vertical intake and the reduction of mechanical losses improve engine efficiency.
– The balance system is mounted under the swingarm for more precise suspension adjustment. Dual compression adjustment offers a wide range of optional adjustments. Kashima surface treatment on the cartridge improves operation.
Since 2018, the KX 250 has a new lightened spring and revised adjustments for a better feeling and an optimized feedback of the rear wheel.
– The KX 250 benefits from a departure assistance device called "Launch Control", very close to that of the factory KXs. With the push of a button, the pilot can activate a separate engine settings map that increases the chances of getting off to a good start in slippery terrain.
– All new minimalist plastics incorporate, thanks to reoriented radiators, even thinner scoops, a flatter saddle and tank, and the saddle, without seam, is smoother, which makes the movements of the riders easier..
– On the upper triple clamp, two mounting positions for the saddles and reversible saddles provide four handlebar adjustments: 25mm forward, 15mm forward, normal and 10mm backward.
– The new plastic design makes the bike even more compact visually and perfectly respects the style of factory bikes. In order to complete the belonging to the great family of KX Kawasaki, the plastics are now adorned with molded graphics, the aluminum rims are black, the fork guards are also black and touches of green decorate the whole machine.
Info and media credits: Kawasaki
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KX 250 F 2018
Model marketed in
The technical aspect
Kawasaki KX 250 2019
- Tank: 6.4 liters
- Width: 825 mm
- Height: 1270 mm
- Wheelbase: 1478 mm
- Curb weight: 104.7 kg
- Train before
- Secondary chain transmission
- Rear axle
(77 x 53.6 mm)