2025 Kawasaki KX™450SR Base

2025 Kawasaki KX™450SR Base

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Exterior Colors:

  • Year 2025
  • Make Kawasaki
  • Model KX™450SR
2025 Kawasaki KX™450SR Base

2025 Kawasaki KX™450SR Base

2025 Kawasaki KX™450SR

BUILT TO WIN

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.

Features may include:

POWER & PERFORMANCE
  • LIMITED-EDITION RACER

The KX™450SR motorcycle is designed for serious competitors seeking race wins. Featuring elite-level racing components, special tuning, and design updates inspired by the Monster Energy® Kawasaki race team, this limited-edition Special Racer boasts elevated performance and factory racer looks. Performance gains come thanks to updates* to the engine, exhaust, suspension, engine mapping, and wheels.

RACE-READY SUSPENSION
  • SHOW THEM HOW IT’S DONE

Enjoy smooth action, firm damping, and optimal traction with the highly adjustable Showa suspension package on the KX™450SR motorcycle. The Showa suspension package on the KX450SR is inspired by the machines ridden by the Monster Energy® Kawasaki race team with optimized settings to achieve higher performance, smoother suspension action, and provide a plush feeling.

CHASSIS, ERGONOMICS, & STYLING
  • THE ADVANTAGE IS YOURS

With agile handling, a strong and lightweight chassis, and ERGO-FIT® adjustable components, you’ll experience an unmatched race-winning advantage on the KX™450SR motorcycle. Stand out from the crowd with factory-edition styling, featuring Monster Energy® Kawasaki race team-inspired graphics, Lime Green handlebar pad, Metallic Magnesium Gold cylinder head cover, and a Hinson clutch cover.

ADVANCED TECHNOLOGY
  • RIDE CONFIDENTLY

Offering quick, reliable starting, and advanced braking power backed by decades of championship-proven experience, the KX™450SR motorcycle delivers superior technology designed to inspire confidence from the gate drop to the finish line.

ADDITIONAL
  • Lightweight aluminum perimeter frame
  • Coned disc-spring hydraulic clutch
  • Hinson clutch cover with Kawasaki logo
  • Renthal® rear sprocket and D.I.D gold chain
  • D.I.D DirtStar ST-X rims
  • ERGO-FIT® adjustable components for ride position optimization
  • ODI lock-on grips
  • Quick-release side cover and tool-less air filter access
  • Brembo front brake system with 270mm disc

Engine

Engine Type 4-stroke, single-cylinder, DOHC
Displacement 449cc
Cooling System Liquid-cooled
Bore 96.0mm
Stroke 62.1mm
Compression Ratio 12.5:1
Fuel System DFI® with 44mm Keihin throttle body
Ignition Digital CDI with handlebar-controlled power modes

Drivetrain

Transmission 5-speed, return shift, with wet multi-disc manual clutch and hydraulic clutch actuation
Final Drive Chain

Chassis

Frame Type Aluminum perimeter

Suspension

Front Suspension 49mm Showa inverted telescopic coil-spring fork with 21-way adjustable compression and 22-way adjustable rebound damping
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

Brakes

Front braking system Single semi-floating 270mm Braking/Sunstar petal disc with Brembo master cylinder and dual-piston caliper
Rear braking system Single 240mm Braking/Sunstar petal disc with single-piston caliper

Wheels & Tires

Front Tire 80/100-21
Front Wheel Travel 12.0 in
Rear Tire 120/80-19
Rear Wheel Travel 12.1 in

Dimensions

Rake/trail 26.6°/4.5 in
Overall Length 86.0 in
Overall Width 32.3 in
Overall Height 50.0 in
Ground Clearance 13.4 in
Seat Height 37.6 in
Wheelbase 58.5 in

Capacities

Fuel Capacity 1.64 gal

Weights

Curb Weight 238.2 lb without fuel / 248.2 lb

Color

Colors Lime Green

Features

Features Special: Smartphone Connectivity via RIDEOLOGY THE APP KX™, ERGO-FIT® | Electronic Rider Aids: Power Modes, Kawasaki TRaction Control (KTRC), Launch Control Mode

Product Photography