2027 Kawasaki – Kawasaki has rolled out its 2027 KX motocross lineup with sharper mid-to-high power feel, revised intake and exhaust designs, updated fuel-injection tuning, and smartphone control through Rideology. Both the KX™450F and KX™450FX get electric-start 449cc four-s
The moment Kawasaki fans start counting down to the next gate-drop, there’s a familiar question: will it feel different when you roll on the throttle?
For the 2027 KX lineup, Kawasaki’s answer is built into the details riders touch every day—engine mapping you can change from your phone, chassis tweaks designed for stability and traction, and braking and suspension components aimed at pushing lap times harder.
The package starts with the 2027 Kawasaki KX™450F and KX™450FX. Kawasaki pairs them with a 449cc 4-stroke engine with electric start and promises “more aggressive power feel at mid-high RPM.” It’s not just the headline power claim—Kawasaki says the aluminum perimeter frame now has a longer wheelbase. and the suspension gets optimized race-ready settings.
The braking hardware also moves in the direction of outright control. Kawasaki lists new front and rear Brembo brake components. On top of that, the bikes get athletic styling with slim ergonomic bodywork.
Then there’s the technology side riders will either love or ignore—until it helps them when it matters. Kawasaki says the 2027 KX models add enhanced smartphone connectivity via GPS and Rideology. Through KX™2* Power Mode Selection. riders can switch power behavior. while Kawasaki also builds in Kawasaki TRaction Control (KTRC) and an updated Launch Control Mode for holeshot advantage.
Under the hood, the changes are spelled out as specific systems. Kawasaki points to revised intake & exhaust systems and optimized FI settings for improved engine performance. It also lists a coned disc-spring hydraulic clutch.
Suspension is described in brand-and-dimension terms. not vague promises: Showa 49mm coil-spring fork and a new Uni-Trak® rear suspension with a Showa shock. Kawasaki also names ODI Lock-On Grips, and it includes ERGO-FIT® adjustable components for ride position optimization. The ergonomics get help from streamlined ergonomics meant to make rider movement easier.
Even service access is part of the pitch. Kawasaki includes a quick-release side cover that offers tool-less air filter access.
The 2027 KX™250F continues that same theme—improvements that aim to be felt from the first lap. Kawasaki says the 2027 KX™250F builds on the advancements introduced in 2025 with enhanced engine performance, refined handling, and race-focused updates meant to help riders maximize every lap.
Kawasaki lists a 249cc 4-stroke engine with electric start. Engine refinements include updates to the combustion chamber. exhaust system. fuel injection settings. and clutch—aimed at stronger power throughout the rpm range. improved throttle response. and enhanced acceleration out of corners. The company also frames the lightweight chassis and updated suspension settings as ways to provide increased stability. traction. and rider confidence across changing track conditions.
Kawasaki’s claims for handling aren’t kept separate from the rider experience. The 2027 KX™250F and KX™250FX are described with suspension settings for improved ground-holding performance, plus Kawasaki traction control (KTRC) with a handlebar-mounted switch.
Power modes and starting control appear again, but in a slightly different package for the 250. Kawasaki calls out improved power mode selection with a handlebar-mounted switch, and it adds a Launch Control Mode for holeshot advantage.
The fuel and intake details go further on the 250. Kawasaki lists updated exhaust pipe and FI settings for increased low-rpm torque. an optimized intake and exhaust layout for efficient flow. and a compact exhaust for optimized mass centralization. It also specifies a single-shaft primary crankshaft balancer.
Chassis and suspension names remain clear and specific: a lightweight aluminum perimeter frame, Showa 49mm coil-spring fork, and a new Uni-Trak® rear suspension with a Showa shock.
Kawasaki also folds in more rider fit options. It includes ERGO-Fit® adjustable components for ride position optimization and smart-phone connectivity for changing engine mapping with Rideology the app Kx™. Kawasaki lists dual injectors for upstream and downstream, plus ODI lock-on grips.
For visual and practical changes. Kawasaki lists lighter. more functional front-end styling. improved hydraulic clutch. flush bodywork and shrouds for optimized rider interface. and quick-release side cover access for tool-less air filter access. It also adds a handlebar-mounted switch for the improved power mode selection.
Taken together, Kawasaki’s 2027 KX lineup reads like one message: keep the familiar dirt-bike fundamentals, but tighten the control where riders win races—throttle response, suspension confidence, braking precision, and the ability to adjust how the engine behaves.
Kawasaki ends by tying the engineering push back to its broader racing ambition, saying the 2027 KX™250F is engineered to develop the next generation of motocross champions and pointing to Kawasaki’s “championship-winning tradition.”
2027 Kawasaki KX 450F 2027 Kawasaki KX 450FX 2027 Kawasaki KX 250F 2027 Kawasaki KX 250FX Rideology app KTRC Launch Control Mode Brembo brakes Showa 49mm fork Uni-Trak rear suspension