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Motorcycle specifications KawasakiKX 250 F 2018 Focus on action

Motocross
Photo of Kawasaki KX 250 F 2018

presentation of the KX 250 F 2018

Kawa presents its new MX2 KX for 2018. Not all the details, but a trailer announcing big potential. In the pipeline: a host of changes for the coming season... and it's billed as the most technically advanced yet.

component modifications and new fork settings are accompanied by new shock absorber settings for better shock absorption and optimized operation.

engine evolution was the top priority. With the ultimate goal of reduced rev times - the emphasis is on optimizing acceleration at the start - the new KX 250 F sees changes to the intake design and features a new exhaust system.

Kawasaki KX 250 F 2018 - 1Kawasaki KX 250 F 2018 - 1

with new injection settings, fuel pump pressure is increased for this new vintage, the injector mounting angle is less open, and the throttle body has been shortened. The result is a reduced compression ratio of 13.4:1 and increased power and torque.

the redesigned exhaust is both longer and wider, contributing to a double benefit: extra power and torque. The result? Improved low- and mid-range feel, which enhances power delivery across the entire range and enables better control of high revs.

with more controllable power and torque, the new 2018 KX 250 F promises to be the MX2 benchmark and holeshot queen.

key points of the 2018 KX 250 F:

- The aluminum perimeter frame is narrower between the main beams and features revised stiffness for improved front-end feel.

- The high-performance piston (inspired by those used in racing) features a new design, optimized stiffness 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 vision, this position enhances physical and psychological stability.

- The SFF type 2 fork separates the damping functions in the left-hand tube from the spring functions in the right-hand tube. The 48 mm-diameter tubes and the organization of the internal components improve riding comfort, front-end feel, reduce heel-toeing and improve stability when landing jumps or grabbing the brakes.
For 2018, the revised settings improve braking and cornering stability.

- A "Super-hard" titanium surface treatment (unique in this category) prevents fork wear. A self-lubricating alumite treatment provides a resistant surface that generates little friction on the outer face of the tube, allowing the fork to run smoothly.

- The original settings of the three maps are: Standard, Hard and Soft. using the DFI plugs supplied, the rider can easily switch from one map to another to adapt the settings to riding conditions.

- The 270 mm front disc delivers impressive braking power while remaining controllable. The petal-shaped brake discs also contribute to the overall impression of quality and sporty looks.

- The ECU has been entirely designed to meet the needs of Motocross racing. 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 dual injectors for the KX 250 F is one of the keys to the efficiency of the air-fuel mixture. The engine, optimized for performance, revs up very easily and is complemented by very rapid 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 balancer system is mounted under the swingarm for more precise suspension adjustment. Dual compression adjustment offers a wide range of optional settings. The cartridge's Kashima surface treatment improves operation.
For 2018, the KX25F features a new, lighter spring and revised settings for improved feel and optimized rear-wheel feedback.

- The KX 250 F benefits from a launch-assist system called "Launch Control", very similar to that used on factory KXs. At the touch of a button, the rider can activate a separate engine map, multiplying the chances of a good start in slippery conditions.

- All-new, minimalist plastics incorporate reoriented radiators, even slimmer scoops, a flatter seat and fuel tank, and a seamless, smoother saddle for easier rider movement.

- On the top tee, two bridge attachment positions and reversible bridges offer four handlebar adjustments: 25 mm forward, 15 mm forward, normal and 10 mm back.

- The new plastic design makes the bike even more visually compact and perfectly respects the style of factory bikes. The plastics are now adorned with molded graphics, the aluminum rims are black, the fork protectors are also black, and touches of green embellish the whole machine.

News and media credits: Kawasaki

Key facts Kawasaki KX 250 F (2018) : What you need to know before you buy

Prices

Basic version
flag FranceFrance
8,199€

Bikers' reviews

of 7 reviews

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Specifications Kawasaki KX 250 F 2018

Chassis
Frame : aluminum perimeter
Fuel capacity : 6.40 liters (1.69 US gallons)
Seat height : 945 mm (37.20 in)
Length : 2,172 mm (85.51 in)
Width : 825 mm (32.48 in)
Min height : 1,260 mm (49.61 in)
Wheelbase : 1,478 mm (58.19 in)
Weight when fully loaded : 104.50 kg (230 lb)
Front axle
Reverse telehydraulic fork Ø 48 mm, Wheel travel : 310 mm (12.20 in)
Braking 1 disc Ø 270 mm (10.63 in), 2-piston caliper
Front tire : 80 / 100 - 21 → Order this type of tire
Transmission
5 stage gearbox
Secondary by chain
Rear axle
Mono-damper, Wheel travel : 310 mm (12.20 in)
Braking 1 disc Ø 240 mm (9.45 in), single-piston caliper
Rear tire : 100 / 90 - 19 → Order this type of tire
Motor
single-cylinder , 4 strokes
Injection
Cooling system : liquid
2 ACT
4 valves
249 cc
45 ch (44.40 hp)
Power-to-weight ratio : approximately 2.2 kg/ch
Compression : 13.4:1
Practical information
Take care of your motorcycle! Find all the parts and maintenance products you need to keep your bike in top condition.
Motorcyle equipment adapted for all members of the family and security elements.

Models

2026

2025

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

Compare the KX 250 F to its competitors

Power

Kawasaki KX 250 F 2018 : 45 ch (44.40 hp)
KTM 250 SX-F 2018 : 45 ch (44.40 hp)
Honda CRF 250 R 2018 : 44 ch (43.40 hp)
Yamaha YZ 250 F 2018 : 32 ch (31.60 hp)
Suzuki RM-Z 250 2018 : 38 ch (37.50 hp)

Power-to-Weight ratio

Kawasaki KX 250 F 2018 : 2.2 kg/ch *
KTM 250 SX-F 2018 : 2.21 kg/ch
Honda CRF 250 R 2018 : 2.33 kg/ch *
Yamaha YZ 250 F 2018 : 3.08 kg/ch *
Suzuki RM-Z 250 2018 : 2.64 kg/ch *

Bikers' reviews Leave a review - 7 reviews

vitesse kx 250f
French justin Model 2012
hello, i had a little question: at what speed does my 2012 kawasaki kx 250 f run at full throttle and if possible tell me the speed of each gear from gear 1 to 5th thank you Rating : 4/5
Vidange
French Model 2018
Hello I wanted to know what oil and how much to change my 250 kxf 2018 thank you Rating : 5/5
French pseudo Model 2022
There's one thing I don't get: why do manufacturers manage to get 50hp out of a 250cc 4-stroke on a cross-country bike and only 30hp out of a tourer with the same engine?! So where there's a will, there's a way! Come on, let's go back, there's still a long way to go! Rating : 5/5
Antho
French Antho Model 2021
Already a superb bike in previous years, this new vintage (hydraulic clutch, electric starter, chassis...) is really top-notch! The plus is the price! The cheapest on the market!
All that's missing is the homologated version ;)
Rating : 5/5
now i like this bike very much super powerful the best especially on the track the jumps are taken very well thanks to the magic suspension i recommend it for people who like power and who have experience Rating : 5/5
French
Good evening, did you have your suspencion settings done by a professional? Rating : 5/5
French Yayaa51 Model 2013
this bike is very satisfying
i use it myself in clubs.
Rating : 5/5
French Lucas
Good evening I saw that you also have like me a 250 kxf year 2015 that I just acquired and I just had a few small questions about it if possible, at the level of engine oil filling after the oil change is well 0.80L (when the filter is removed)? and is there as in some other motorcycle a strainer and a screen to change? I do not remember the exact therme. Merci et bonne soirée Rating : 5/5
gaffe au SAV Kaxasaki
French loop out Model 2013
after less than four hours of operation, the engine started to make a lot of noise. after dismantling, it turned out that the vilo had a mounting fault (too tight), so everything had to be changed, and some material had gone back into the cylinder. after a 1500-euro charge, kawa's after-sales service refused to help in any way, despite the advice of two kawa dealers 500 kms apart... -4 for kawa, reputed for its third-rate after-sales service, which confirms its shitty reputation. the bike works very well, but beware of breakage. i ride cross-country and i'm 50... Rating : 4/5
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FAQ Your frequently asked questions about the KX 250 F 2018

What is the power of the KX 250 F 2018?
The KX 250 F 2018 develops a power of 45 ch (44.40 hp)
What is the weight of the KX 250 F 2018?
The KX 250 F 2018 has a a weight when fully loaded of 104.50 kg (230 lb).
QWhat is the seat height of the KX 250 F 2018?
To ensure good accessibility, the KX 250 F 2018 offers a minimum seat height of 945 mm (37.20 in).
What is the price of the KX 250 F 2018?
The price of the KX 250 F 2018 is 8,199€ in France