2026 Kawasaki KX™ 450SR

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.