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KX250F
249cc4-stroke1 cylLiquid-cooledElectric start
About the KX250F
Kawasaki's 250cc four-stroke motocross bike, sold as the KX250F from 2004 to 2018 and again from 2027. Aimed at the 250 class: amateur racers, fast intermediates and pros.
- Family
- KX250/KX250F
- Model years
- 2004 – present
- Also known as
- KX250, KX 250F, KX 250, KX250 4-stroke, KX250 (4-stroke)
- Same bike as
- Suzuki RM-Z250
13 sources
- en.wikipedia.org › Kawasaki_KX250F
- motorcycle.com › detail
- dirtbiketest.com › first-look-new-2027-kx450fx-kx250fx
- dirtbikemagazine.com
- content2.kawasaki.com › 9aa2a00a-9ad6-40cf-976d-7aec1a904831
- motoonline.com › detailed-2027-kawasaki-kx-range
- vitalmx.com › KX250,16468
- dirtbiketest.com › 2020-kawasaki-kx250-first-impression
- cyclenews.com › 2021-kawasaki-kx250-first-look
- dirtbiketest.com › first-look-all-new-2025-kawasaki-kx250-x
- ultimatemotorcycling.com › 2021-kawasaki-kx450-and-kx250-first-loo…
- kawasaki.co.uk › 2027-kawasaki-kx250f--kx450f-and-youth-…
- cyclenews.com › 2025-kawasaki-kx250-price-and-specs
Generations
2027 – present
KX250FCurrentThe F returns on the 2025 platform with a reshaped combustion chamber, longer exhaust and a larger hydraulic clutch.
- Engine
- 249cc
- Cooling
- Liquid-cooled
- Starter
- Electric start
- Gearbox
- 5-speed
- Fuel
- Fuel injection
2025 – 2026
KX250All-new: center-port exhaust head, cylinder tilted 5°, new frame based on the 2024 KX450, Showa suspension replacing KYB.
- Engine
- 249cc
- Cooling
- Liquid-cooled
- Starter
- Electric start
- Gearbox
- 5-speed
- Fuel
- Fuel injection
2021 – 2024
KX250New: KX450-derived frame, electric start (no kickstart), hydraulic clutch. KYB suspension through 2024.
- Engine
- 249cc
- Cooling
- Liquid-cooled
- Starter
- Electric start
- Gearbox
- 5-speed
- Fuel
- Fuel injection
2020
KX250New: 78.0 x 52.2 mm bore/stroke, finger-follower valvetrain, stiffer frame ('much stiffer than in 2019'). Still kick start.
- Engine
- 249cc
- Cooling
- Liquid-cooled
- Starter
- Kick start
- Gearbox
- 5-speed
- Fuel
- Fuel injection
2019
KX250New split: same bike as 2018, only the F dropped. Split from 2017–2018 only because the badge changed; an editor may instead fold it into 2017–2018 if a generation can carry two badges.
- Engine
- 250cc
- Cooling
- Liquid-cooled
- Starter
- Kick start
- Gearbox
- 5-speed
- Fuel
- Fuel injection
2017 – 2018
KX250FNew engine and chassis update ahead of the 2019 rename.
- Engine
- 250cc
- Cooling
- Liquid-cooled
- Starter
- Kick start
- Gearbox
- 5-speed
- Fuel
- Fuel injection
2011 – 2016
KX250FFuel injection and Showa SFF fork from 2011, a second injector in 2012 and new bodywork in 2013.
- Engine
- 250cc
- Cooling
- Liquid-cooled
- Starter
- Kick start
- Gearbox
- 5-speed
- Fuel
- Fuel injection
2009 – 2010
KX250FEngine overhaul for power and weight, suspension and chassis changes.
- Engine
- 250cc
- Cooling
- Liquid-cooled
- Starter
- Kick start
- Gearbox
- 5-speed
- Fuel
- Carburettor
2006 – 2008
KX250FKawasaki-developed generation with a new aluminum perimeter frame and heavily revised engine.
- Engine
- 250cc
- Cooling
- Liquid-cooled
- Starter
- Kick start
- Gearbox
- 5-speed
- Fuel
- Carburettor
2004 – 2005
KX250FFirst KX250F, co-developed with Suzuki and sold as the Suzuki RM-Z250 too.
- Engine
- 250cc
- Cooling
- Liquid-cooled
- Starter
- Kick start
- Gearbox
- 5-speed
- Fuel
- Carburettor
Year specs
- Engine
- 249 cc
- Bore × stroke
- 78 × 52.2 mm
- Cooling
- Liquid-cooled
- Starter
- Electric start
- Gearbox
- 5-speed
- Fuel system
- Fuel injection
- Horsepower
- —
- Torque
- —
- Dry weight
- 104.7 kg
- Wet weight
- 109.2 kg
- Seat height
- 955 mm
- Ground clearance
- 340 mm
- Wheelbase
- 1486 mm
- Fuel capacity
- 6.2 L
- MSRP
- $8,599
engine_cc computed from the cited bore x stroke. motorcycle.com lists dry and wet weight without defining them. motorcycle.com's 2027 MSRP ($8,599) is below its 2026 figure ($9,099). Kawasaki Europe's 2027 page agrees: 78.0 x 52.2 mm, 955 mm seat, 1,485 mm wheelbase, 340 mm clearance, 110 kg curb mass, 6.2 L (https://www.kawasaki.eu/en/Motorcycles/Motocross-Enduro/KX250F_2027.html).
1 source
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