Used 2019 Inventory

2019 Kawasaki KX450 OverviewEngine & PerformancePowered by a completely redesigned 449 cc liquid-cooled DOHC single-cylinder, four-stroke engine featuring advancements such as finger-follower valvetrain, aggressive cam profiles, larger intake/exhaust valves, downdraft-style intake, bridged-box piston, and a 44 mm throttle body Cycle Worldmxpmag.com.Delivers ~52.6 hp at 9,480 rpm and 32.8 lb‑ft torque at 6,730 rpm according to dyno tests Cycle WorldDirt Rider.The engine offers a lively, responsive powerband—especially strong above 9,400 rpm—delighting riders, despite being slightly down on raw horsepower compared to the 2018 model Motocross Action Magazine.Starting & ClutchIntroduced Kawasaki’s first-ever electric start in a motocross bike, using a compact Li-ion battery and centrifugal decompressor Motorcycle Newsmxpmag.com.Featured a hydraulic clutch, improving durability and lever feel during intense riding Motorcycle Newsmxpmag.com.Chassis & SuspensionBuilt on a lighter, slimmer aluminum perimeter frame that uses the engine as a stressed member for improved rigidity and sharper handling Motorcycle Newsmxpmag.com.Equipped with Showa 49 mm inverted coil-spring forks with A‑Kit technology (featuring Kashima Coat and micro-dimpled surfaces) and fully adjustable damping—much improved over the previous air-fork system mxpmag.com+1.Rear features a revised Uni‑Trak linkage with improved shock layout, dual compression adjustment, and optimized swingarm rigidity for better traction mxpmag.com+1.Brakes & WheelsFront stopping power comes from a large 270 mm petal disc; rear utilizes a 250 mm petal disc—both with improved master cylinders for more consistent, powerful braking mxpmag.comCycle News.Ergonomics & DimensionsA smoother, lower bodywork layout—including a flattened fuel tank and seat—gives better rider movement and control Motorcycle Newsmxpmag.com.Specs summary:Dry Weight: ~232.4 lb (105.4 kg)Wet Weight: ~242.4 lb (110 kg)Fuel Capacity: 1.64 gal (~6.2 L)Wheel Travel: Front 12.0″ / Rear 12.1″Ground Clearance: 13.4″Seat Height: 37.6″Wheelbase: 58.5″