
Kawasaki
KX 450
Enduro · 449 cc
- Engine
- 449 cc
- Power
- 75 hp
- Weight
- 110 kg
- Price range
- €3,460 – €10,699
- Avg. mileage
- 32 km
- Common year
- 2020 · 23 motorcycles
What should you pay for a KX 450?
See typical prices, price changes and important differences.
What is a typical asking price?
Choose the model year and mileage for a focused comparison.
Based on asking prices, not sale prices. Trim, condition, maintenance and warranty still matter.
Based on price data from 5 of the past 12 months.
Used prices are trending up: the typical asking price is €525 higher than in May 2026.
KX 450 at a glance
Quick reference values. Model year, generation and trim can differ.
Displacement
449 cc
Power
75 hp · 55 kW
Torque
52 Nm
Category
Enduro
Specifications
- Displacement
- 449 cc
- Power
- 75 hp · 55 kW
- Torque
- 52 Nm
- Weight
- 110 kg
- Seat height
- 964 mm
- Top speed
- 120 km/h
- Production
- 2006 – present
- Category
- Enduro
Also worth considering
Models in the same category and price range to consider alongside the KX 450.
Generations and editions
Features and handling differ by generation. Use this overview to find the right version.
Years
2023 - present
2023–heden
GenerationThe current KX450 has a further renewed frame, traction control and modern power modes. Special colour editions belong technically to this generation unless a listing demonstrably states a different model year.
Years
2019 - 2022
2019–2022 elektrische start
GenerationFrom 2019 the model was named KX450 and gained electric start, a hydraulic clutch and a new frame. Battery, starter, clutch and cooling system deserve extra inspection on bikes that have seen many starts and jumps.
Years
2016 - 2018
2016–2018 race electronics
GenerationThe late KX450F combines its 449cc single with launch-control and mapping options for the motocross track. Inspect clutch, brakes and original electronics; hard race use shows up there quickly.
Years
2012 - 2015
2012–2015 revised chassis
GenerationThe 2012 update refined engine and chassis for better traction and corner stability. Well-set-up Showa suspension and documented service to bearings and linkages say a great deal about a used machine.
Years
2009 - 2011
2009–2011 injectie
GenerationThis KX450F generation brought electronic injection to Kawasaki’s motocrosser. Alongside normal race wear, inspect the fuel pump, wiring loom and operation of the selected mapping.
Years
2006 - 2008
2006–2008 eerste KX450F
GenerationThe first KX450F is Kawasaki’s 449cc carburetted four-stroke motocrosser. It is a pure competition bike: assess it by documented hours, valve checks, top-end servicing and any frame or radiator damage.
About the Kawasaki KX 450
The Kawasaki KX450 is a motocross competition bike built around a 449 cc four-stroke single-cylinder engine. Kawasaki introduced the KX450F (later renamed KX450) in 2006 as a four-stroke answer to the dominant Honda CRF450R. Over the years the KX450 evolved into one of the most technically refined bikes in its class, with electric start (from 2019), launch control, and traction control standard on later models.
The KX450 targets experienced motocross riders competing on official motocross tracks. The engine is tuned for maximum performance, not road comfort, it is not road-legal. Not a beginner's choice; the power and sharp calibration require riding skill. Rivals are the Honda CRF450R, Yamaha YZ450F, and KTM 450 SX-F.
- Category
- Enduro
- Production
- 2006 – present
- Power
- 75 hp
- Weight
- 110 kg
What to check before buying
- Check valve clearances and cam lobes; 450 cc motocross engines require frequent valve adjustment (every 15–20 riding hours).
- Inspect crankshaft and connecting rod for wear on high-cycle competition engines; worn crank causes vibration and power loss.
- Check the fork and monoshock condition; poorly maintained suspension is a safety hazard on track.
- Verify engine hour meter readings match actual wear; motocross engines run harder per hour than road bikes.
Frequently asked questions about the Kawasaki KX 450
What does a used Kawasaki KX 450 cost?
A used Kawasaki KX 450 costs €5,500 on average. Most cost €3,460 to €10,699. This is based on 29 motorcycles for sale now.
How many used Kawasaki KX 450 are for sale?
MotorMonitor now compares 29 used Kawasaki KX 450 motorcycles from Dutch sales sites.
What year and mileage does an average used Kawasaki KX 450 have?
The average used Kawasaki KX 450 is from 2020 and has done about 32 km.











