The 2027 Kawasaki KX250FX takes cross-country racing to a new level, powered by a 249 cc 4-stroke engine with dual injectors and electric start that gains stronger power across the rev range, an improved hydraulic clutch with 15% more spring load, and a new short-type silencer that's 50 mm shorter and 230 g lighter for better mass centralisation. It runs a lightweight aluminium perimeter frame with a Showa 49 mm inverted coil-spring fork (305 mm travel) and New Uni-Trak rear suspension with a Showa shock (307 mm travel), tuned with cross-country-specific spring rates and damping for extra feedback on technical trails, plus semi-floating 270 mm front and 240 mm rear petal disc brakes. Cross-country-specific hardware includes 21"/18" wheels with Dunlop AT81 enduro tyres, a sealed chain, rear brake disc guard, and side stand, while rider tech spans two power modes, Kawasaki Traction Control (KTRC), Launch Control Mode, and smartphone connectivity via RIDEOLOGY THE APP KX — rounded out by ERGO-FIT adjustable ergonomics, ODI Lock-On grips, and front/rear accessory power connectors, at a 945 mm seat height and 110.6 kg curb weight.
The KX250FX engine retains the elements that made it such a strong performer: finger-follower valve actuation, intake and exhaust layout optimised for efficient flow, dual injectors, and a single-shaft primary balancer—elements that together deliver strong, controllable power. Further refinements for 2027 result in increased output, more linear throttle response, and more efficient power transfer, contributing to an overall boost in race-ready performance on the track.
FACTORY-STYLE CHASSIS COMPONENTS AND TUNING
Enhanced Stability
While retaining the previous model’s light, agile handling character, the KX250FX cross-country racer receives chassis updates that add to its composed behaviour. Central to these updates are revised front and rear suspension settings, which offer increased ground-holding performance, particularly on challenging surfaces. A more compact silencer, used on non-North American models, contributes to reduced weight and mass centralisation, offering chassis characteristics that allow riders to make full use of the improved power feeling.
CROSS-COUNTRY COMPONENTS AND TUNING
Optimised Performance
Cross-country-specific tuning for the suspension, complemented by a 21”/18” wheel combination fitted with enduro-type tyres, and convenient standard features like a side stand make the new KX250FX even more attractive for cross-country competitors.
ADVANCED TECH AT YOUR FINGERTIPS
Power Modes, Kawasaki Traction Control, and Launch Control Mode
Power Mode selection, Kawasaki TRaction Control and Launch Control Mode are all accessible from the left handle switches at the push of a button. And with smartphone connectivity, riders can adjust engine maps right from their smartphones.
Technical Specifications
Engine
4-stroke Single
Displacement
249 cc
Bore x Stroke
78.0 x 52.2 mm
Compression Ratio
14.0:1
Valve System
DOHC, 4 valves
Fuel System
Fuel injection: ø44 mm x 1, with dual injectors
Ignition
Digital DC-CDI
Starting
Electric
Cooling
Liquid-cooled
Lubrication
Forced lubrication, semi-dry sump
Transmission
5-speed, return
Primary Reduction Ratio
3.350 (67/20)
Gear Ratio 1st
2.077 (27/13)
Gear Ratio 2nd
1.688 (27/16)
Gear Ratio 3rd
1.438 (23/16)
Gear Ratio 4th
1.235 (21/17)
Gear Ratio 5th
1.045 (23/22)
Final Reduction Ratio
3.846 (50/13)
Clutch
Wet multi-disc, manual
Final Drive
Chain
Frame
Perimeter, aluminium
Front Suspension
ø49 mm inverted fork with adjustable compression and rebound damping
Rear Suspension
New Uni-Trak, single shock with adjustable dual-range (high/low-speed) compression damping, adjustable rebound damping and adjustable spring preload
The 2027 Kawasaki KX250FX takes cross-country racing to a new level, powered by a 249 cc 4-stroke engine with dual injectors and electric start that gains stronger power across the rev range, an improved hydraulic clutch with 15% more spring load, and a new short-type silencer that's 50 mm shorter and 230 g lighter for better mass centralisation. It runs a lightweight aluminium perimeter frame with a Showa 49 mm inverted coil-spring fork (305 mm travel) and New Uni-Trak rear suspension with a Showa shock (307 mm travel), tuned with cross-country-specific spring rates and damping for extra feedback on technical trails, plus semi-floating 270 mm front and 240 mm rear petal disc brakes. Cross-country-specific hardware includes 21"/18" wheels with Dunlop AT81 enduro tyres, a sealed chain, rear brake disc guard, and side stand, while rider tech spans two power modes, Kawasaki Traction Control (KTRC), Launch Control Mode, and smartphone connectivity via RIDEOLOGY THE APP KX — rounded out by ERGO-FIT adjustable ergonomics, ODI Lock-On grips, and front/rear accessory power connectors, at a 945 mm seat height and 110.6 kg curb weight.
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Power;Performance;Technology;Details#####Engine|4-stroke Single;Displacement|249 cc;Bore x Stroke|78.0 x 52.2 mm;Compression Ratio|14.0:1;Valve System|DOHC, 4 valves;Fuel System|Fuel injection: ø44 mm x 1, with dual injectors;Ignition|Digital DC-CDI;Starting|Electric;Cooling|Liquid-cooled;Lubrication|Forced lubrication, semi-dry sump;Transmission|5-speed, return;Primary Reduction Ratio|3.350 (67/20);Gear Ratio 1st|2.077 (27/13);Gear Ratio 2nd|1.688 (27/16);Gear Ratio 3rd|1.438 (23/16);Gear Ratio 4th|1.235 (21/17);Gear Ratio 5th|1.045 (23/22);Final Reduction Ratio|3.846 (50/13);Clutch|Wet multi-disc, manual;Final Drive|Chain#####Frame|Perimeter, aluminium;Front Suspension|ø49 mm inverted fork with adjustable compression and rebound damping;Rear Suspension|New Uni-Trak, single shock with adjustable dual-range (high/low-speed) compression damping, adjustable rebound damping and adjustable spring preload;Front Wheel Travel|305 mm;Rear Wheel Travel|307 mm;Rake|27.5º;Trail|121 mm;Steering Angle (L/R)|42º / 42º;Front Tyre|80/100-21 51M;Rear Tyre|110/100-18 64M;Front Brake/s|Semi-floating ø270 mm petal disc;Front Caliper/s|Dual-piston;Rear Brake|ø240 mm petal disc;Rear Caliper|Single-piston#####Dual Injectors|Yes;KTRC (Kawasaki Traction Control)|Yes;Launch Control Mode|Yes;Power Modes|Yes;Smartphone Connectivity|Yes;ERGO-FIT|Yes#####Dimensions (LxWxH)|2,180 x 820 x 1,260 mm;Wheelbase|1,485 mm;Road Clearance|330 mm;Seat Height|945 mm;Curb Weight*|110.6 kg;Weight without Fuel|106.1 kg;Fuel Capacity|6.2 litres;Model Code|KX252FVFNN
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