2026 KAWASAKI KX™ 450SR - LIME GREEN

Dirt Bike | Kawasaki

Price: $17,159 $15,159 You save $2,000, including a $1,500 Kawasaki rebate

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Features

Highlights

  • Pro Circuit Ti-6 Titanium Exhaust System
  • XTRIG ROCS-TECH Triple Clamp

ADDITIONAL VEHICLE FEATURES

  • 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 ergonomics
  • ODI Lock-On grips
  • Brembo front brake system with ø270 mm disc
  • Quick-release side cover and tool-less air filter access

FEATURING

  • 449 cc 4-STROKE ENGINE WITH POLISHED INTAKE PORTS
  • PRO CIRCUIT TI-6 TITANIUM RACE EXHAUST
  • SPECIALIZED ECU FI SETTINGS
  • POWER MODE SELECTION WITH HANDLEBAR-MOUNTED SWITCH
  • SMARTPHONE CONNECTIVITY—CHANGE ENGINE MAPPING WITH RIDEOLOGY THE APP KX
  • KAWASAKI TRACTION CONTROL (KTRC) WITH HANDLEBAR-MOUNTED SWITCH
  • ø49 mm SHOWA COIL-SPRING FORK WITH KASHIMA AND TITANIUM COATINGS
  • SHOWA REAR SHOCK WITH KASHIMA COATING
  • XTRIG ROCS-TECH TRIPLE CLAMP WITH PHDS (PROGRESSIVE HANDLEBAR DAMPING SYSTEM)
  • FACTORY RACE TEAM-INSPIRED GRAPHICS

POWER & PERFORMANCE

  • More Power to Dominate — Thanks to polished intake ports, a high-performance Pro Circuit exhaust, specialized ECU FI settings, and tuning, the 2025 KX450SR offers considerably stronger power and torque at mid- to high-rpm than the base KX450 model.
  • Keep It Light — Experience increased engine performance and lighter weight with a Pro Circuit titanium race exhaust system*.
  • Light Pull & Self-Adjusting — A coned disc-spring hydraulic clutch offers light clutch pull and a wide engagement range.

RACE-READY SUSPENSION

  • Race Ready — Experience unmatched suspension performance with the highly adjustable ø49 mm Showa Coil Spring Front Fork.
  • Gain Traction — The adjustable dual-range (high- and low-speed) compression damping, adjustable rebound damping, and adjustable preload come thanks to the New Uni-Trak rear suspension system, featuring a Showa shock with Kashima Coating outer tube.
  • Perfect Fit — The XTRIG ROCS-TECH (Revolutionary Opposed Clamping System) clamps the upper fork tubes from opposite directions helping to reduce inner tube distortion and allowing the fork to flex naturally.

CHASSIS, ERGONOMICS, & STYLING

  • Precise Balance — Stay ahead with a lightweight aluminum perimeter frame and swingarm that provide fantastic overall rigidity balance and contribute to precise cornering.
  • Durability Elevated — A D.I.D gold chain and Renthal rear sprocket handle gearing duties while D.I.D Dirt Star ST-X rims offer enhanced style and durability to the wheelset.
  • Advanced Stopping Power — Next-level stopping power matches incredible acceleration capability.

ADVANCED TECHNOLOGY

  • Power In Your Hand — Enjoy power mode selection at the push of a button located on the handlebar of the KX450SR motorcycle.
  • Kawasaki TRaction Control — The 2025 KX450SR motorcycle features Kawasaki TRaction Control (KTRC) at the push of a button.
  • Power to the Ground — A factory-style launch control system helps put the KX450SR motorcycle’s power to the ground for maximum acceleration.
  • Smartphone Connectivity — Thanks to smartphone connectivity, riders can adjust engine mapping straight from their phones via RIDEOLOGY THE APP KX, without any extra equipment.

Specifications

Frame Perimeter, aluminum
Clutch Wet multi-disc, manual
Engine 449cc, liquid-cooled, 4-stroke, DOHC 4-valve single
Ignition Digital DC-CDI
Starting Electric
Rear Tire 120/80-19 63M
Wheelbase 1,485 mm (58.5 in)
Front Tire 80/100-21 51M
Rear Brake ø240 mm petal disc with single-piston caliper
Final Drive Chain
Front Brake Semi-floating ø270 mm petal disc with dual-piston caliper
Fuel System Fuel injection: ø44 mm x 1
Lubrication Forced lubrication, semi-dry sump
Seat Height 955 mm (37.6 in)
Curb Weight* 112.6 kg (248 lb)
Rake / Trail 27.1° / 119 mm
Transmission 5-speed, return
Bore X Stroke 96.0 x 62.1 mm
Fuel Capacity 6.2 litres
Road Clearance 340 mm (13.4 in)
Compression Ratio 12.5:1
Weight Without Fuel 108.1 kg (238 lb)
Steering Angle (L/R) 42° / 42°
Dimensions (L X W X H) 2,185 x 820 x 1,270 mm (86.0 x 32.3 x 50.0 in)
Rear Suspension / Wheel Travel New Uni Trak with adjustable dual-range (high/low-speed) compression damping, adjustable rebound damping and adjustable spring preload / 307 mm (12.1 in)
Front Suspension / Wheel Travel ø49 mm inverted fork with adjustable compression and rebound damping / 305 mm (12.0 in)