

Specs
- New or used
- New
- Availability
- In stock
- Colour
- Lime Green
- Displacement
- 449 ccManufacturer spec
- Cylinders
- 1Manufacturer specDealer: Single
- Engine cycle
- Four-strokeManufacturer specDealer: 4-stroke, DOHC
- Cooling
- Liquid-cooledManufacturer specDealer: Liquid
- Transmission
- ManualManufacturer specDealer: 5-speed, return shift
- Final drive
- ChainManufacturer spec
- Seat height
- 37.6 inManufacturer spec
- Wheelbase
- 58.5 inManufacturer spec
- Ground clearance
- 13.4 inManufacturer spec
- Wet weight
- 238.2 lbManufacturer specDealer: Curb - 238.2 lb.* without fuel Curb - 248.2 lb.* *Curb weight includes all necessary materials and fluids to operate correctly, full tank of fuel (more than 90 percent capacity) and tool kit (if supplied).
- Fuel capacity
- 1.64 galManufacturer spec
- Model code
- KX450PSFNN
- Stock #
- N/A
All details from the dealer (26)
- Badge
- On Sale
- Stock Number
- N/A
- Model Type
- KX - Full-Size MX
Power & Performance
- KEEP IT LIGHT
- Experience increased engine performance and lighter weight with a Pro Circuit titanium race exhaust system*. (*When compared to 2025 KX™450 motorcycle.)Manufacturer spec
General Information
- Stock Number
- N/AManufacturer spec
Brakes/Wheels/Tires
- Brakes
- Front - Single semi-floating 270 mm Braking / Sunstar petal disc with Brembo master cylinder and dual-piston caliper Rear - Single 240 mm Braking / Sunstar petal disc with single-piston caliperManufacturer spec
- Rims
- D.I.D DirtStar ST-XManufacturer spec
- Tires
- Front - 80 / 100-21 Rear - 120 / 80-19Manufacturer spec
Dimensions
- Length
- Overall - 86 in.Manufacturer spec
- Height
- Overall - 50 in.Manufacturer spec
- Width
- Overall - 32.3 in.Manufacturer spec
Drivetrain
- Chain
- D.I.D goldManufacturer spec
- Sprocket
- Rear - Renthal®Manufacturer spec
Electrical
- Advanced Electronics
- Electronic Rider Aids - Power Modes, Kawasaki TRaction Control (KTRC), Launch Control ModeManufacturer spec
Engine
- Bore x Stroke
- 3.8 x 2.4 in. (96 x 62.1 mm)Manufacturer spec
- Compression Ratio
- 12.5:1Manufacturer spec
- Clutch
- Wet multi-disc manual and hydraulic actuation Coned disc-spring hydraulicManufacturer spec
- Fuel System
- DFI® with 44 mm Keihin throttle bodyManufacturer spec
- Ignition
- Digital CDI with handlebar-controlled power modesManufacturer spec
Operational
- Frame
- Aluminum perimeterManufacturer spec
- Front Suspension
- 49 mm Showa inverted telescopic coil-spring fork with 21-way adjustable compression and 22-way adjustable rebound damping Travel - 12 in.Manufacturer spec
- Rear Suspension
- Uni-Trak® gas charged shock with piggyback reservoir with adjustable dual-range compression damping (19-way low speed and 4.25 turn stepless high speed), 23-way adjustable rebound damping and stepless adjustable preload Travel - 12.1 in.Manufacturer spec
- Rake
- 26.6°Manufacturer spec
- Trail
- 4.5 in.Manufacturer spec
- Grips
- ODI lock-onManufacturer spec
Other
- Includes
- Special Features - Smartphone Connectivity via RIDEOLOGY THE APP KX™, ERGO-FIT® Hinson clutch cover with Kawasaki logo Quick-release side cover and tool-less air filter accessManufacturer spec
From the dealer's page
Featuring special tuning and elite-level racing components, the limited-edition KX™450SR motorcycle is built to win right out of the box. Based off the championship-proven KX™450 platform, this bike is designed to further elevate the performance, durability, and styling by featuring components from the most respected brands in the sport. Available in limited quantities, this is your chance to cross the finish line first with this elite race machine.
Price history
Tracked since Oct 4, 2026 · last checked 3h ago
Price details as printed by the dealer
- On Sale$9,999
Throttle does not add these up.
Not enough observations yet — the chart appears after the second crawl of this listing.
Timeline
First seen
Oct 4, 2026
Market context
Comp set: 2023–2027 Kawasaki KX450SR · 25 listings
- Median asking
- $13,599
- across 23 comparable listings
- This one
- $9,999
- -26.5% vs median
- Days on market
- New to Throttle
- no sold comps yet
- Sold comps
- —
- none confirmed yet
Deal reasons — where this asking price sits against similar listings, with the sample behind it
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