NEW FOR 2019
NEW Even More Powerful Engine
The new engine boasts an increase in peak power of approximately 2.5 kW, with a flatter torque curve. Finger-follower valve actuation (a valve train designed by Kawasaki’s MotoGP & World Superbike engineers) enables larger-diameter valves and more aggressive cams. Downdraft-style intake and reduced friction loss (care of new plain bearings for the connecting rod big-end) further contribute to the power gains.
NEW Electric Start
Being able to restart an engine quickly after a spill can mean the difference between keeping your lead, or having to fight your way back through the pack. Kawasaki’s first electric start on a motocrosser makes restarting the engine as easy as pushing a button.
NEW Hydraulic Clutch
Kawasaki’s first hydraulic clutch on a motocrosser offers more direct feel and lighter lever action. Less play as the clutch heats up during heavy use results in more consistent feeling.
NEW Lightweight Aluminium Perimeter Frame
An evolution of the current design, the new frame features revised rigidity and includes the engine as a stressed member. A new swingarm also contributes to the revised rigidity balance and increased rear traction.
NEW Increased Front/Rear Traction
Matching the KX450’s increased power, increased front and rear traction ensure the bike can put power to the ground and get around corners quickly. A larger-diameter front axle (a hint from our racing teams) helps at the front, while revised rear suspension layout and new linkage ratios benefit the rear.
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NEW Large-Diameter Coil-Spring Fork
Handling suspension duties up front is a new high-performance φ49 mm inverted coil-spring fork. The large-diameter inner tubes (the same size as on our factory racers) enables the use of large damping pistons, delivering smooth action and firm damping.
NEW Stronger Brakes
A larger-diameter φ250 mm rear disc complements the oversized φ270 mm front disc, delivering stronger stopping power. A new front brake master cylinder offers better initial control, while contributing to overall braking performance.
NEW Slim, Ergonomic Bodywork
All-new bodywork (except the front fender and number plate) was designed to facilitate rider movement. Long, smooth surfaces make it easy to slide back and forth. The tank is lower and flatter, making it easier to sit farther forward. Slimmer shrouds are easier to hold on to. Even the engine covers are smooth so that they do not impede rider movement.
ADDITIONAL FEATURES
Factory-inspired tuning
Works-base bridged-box bottom piston is just one of many features inspired by our factory racers.
Holeshot advantage: Launch Control Mode
Factory-style launch control system increases the chance of getting a good start by helping riders maximise traction when starting on a slippery surface.
Easy engine tuning: DFI Setting Data Selection
Using the provided DFI couplers, riders can quickly and easily access their choice of three maps (standard, hard, soft) provided in the ECU.
KX FI Calibration Kit (Accessory)
KX FI Calibration Controller, a portable handheld calibration tool, enables riders to make changes to engine maps by plugging into the ECU without needing a PC or battery. Comes equipped with seven preset map settings.
Adjustable Ergonomics
A choice of four handlebar positions and two footpeg positions allows riders to tailor their riding position to suit body size and preference.
Availability: The 2019 KX450 has been unveiled however it has not yet been released for sale in Australia. The anticipated release in Australia will be in late July 2018. Price will be announced closer to the release date.
2019 KX450F Specs
Overall length: 2,185 mm
Wheelbase: 1,485 mm
Ground clearance: 340 mm
Seat height: 955 mm
Weight (wet, claimed): 110.0 kg
Fuel tank capacity: 6.2 litres
ENGINE
Type: four-stroke, single-cylinder, DOHC, water-cooled
Bore x Stroke: 96.0 x 62.1 mm
Displacement: 449 cm3
Compression ratio: 12.5:1
Fuel supply: Fuel injection (44 x 1)
Starting system: Electric
Transmission: 5-speed
Clutch: Wet multi-disc
Frame & Suspension
Front: 49mm Telescopic (USD) fork, 305mm travel
Rear: New Uni-Trak Swingarm, 307mm travel
Frame: Tubular, semi-double cradle
Tyre:
Front 80/100-21 51M
Rear 120/80-19 63M
Brake:
Front Type: Single disc, 241mm
Rear Type Single disc, 225mm
