Model Description


The KX legacy is built on winning championships and the KX450F motorcycle stands as the flagship of that legacy, engineered for riders who demand the best. A revised engine delivers improved overall performance, while a complete Brembo brake system offers maximum stopping power. Complementing the new athletic bodywork is a newly designed aluminium perimeter frame with a longer wheelbase that enhances traction and stability, ensuring ultimate precision at speed. Step into the legacy on the KX450F, the bike that builds champions.
KEY FEATURES:
449cc 4-STROKE ENGINE WITH ELECTRIC START
NEW MORE AGGRESSIVE POWER FEEL AT MID TO HIGH RPM
NEW ALUMINIUM PERIMETER FRAME WITH LONGER WHEELBASE
NEW OPTIMISED RACE-READY SUSPENSION SETTINGS
NEW FRONT AND REAR BREMBO BRAKE COMPONENTS
NEW ATHLETIC STYLING WITH SLIM, ERGONOMIC BODYWORK
NEW ENHANCED SMARTPHONE CONNECTIVITY VIA GPS AND RIDEOLOGY THE APP KX2
POWER MODE SELECTION VIA HANDLEBAR-MOUNTED SWITCH AND RIDEOLOGY THE APP KX2
KAWASAKI TRACTION CONTROL (KTRC) VIA HANDLEBAR-MOUNTED SWITCH AND RIDEOLOGY THE APP KX2
UPDATED LAUNCH CONTROL MODE FOR HOLESHOT ADVANTAGE
Additional Features:
Revised intake & exhaust systems and optimised FI settings for improved engine performance
Coned disc-spring hydraulic clutch
Showa Ø 49 mm coil-spring fork and New Uni-Trak rear suspension with Showa shock
ODI lock-on grips
ERGO-FIT adjustable components for ride position optimisation
Streamlined ergonomics for easy rider movement
Quick-release side cover offers tool-less air filter access

Model Specification


  • Engine

    Engine type

    Liquid-cooled, 4-stroke Single

    Displacement

    449cc

    Bore x stroke

    96 x 62.1 mm

    Compression ratio

    12.5:1

    Valve/Induction system

    DOHC, 4 valves

    Fuel system

    Fuel injection: 44 mm x 1

    Ignition

    Digital DC-CDI

    Starting

    Electric

    Lubrication

    Forced lubrication, semi-dry sump

    Battery Type

    Nominal Voltage

    Total Nominal Capacity

    Charging Time

    Maximum Charge Cycles

    Max Permissible Load

    Rated Output

  • Transmission

    Transmission

    5-speed

    Final Drive

    Chain

    Primary reduction ratio

    2.727 (60/22)

    Gear ratios: 1st

    1.750 (28/16)

    Gear ratios: 2nd

    1.412 (24/17)

    Gear ratios: 3rd

    1.188 (19/16)

    Gear ratios: 4th

    1.000 (19/19)

    Gear ratios: 5th

    0.875 (21/24)

    Final reduction ratio

    3.846 (50/13)

    Clutch

    Wet multi-disc, manual

    Gear Ratios: 6th

  • Frame

    Frame type

    Aluminium Perimeter

    Rake/Trail

    Trial: 115 mm

    Wheel travel - front

    305 mm

    Wheel travel - rear

    307 mm

    Tyre - front

    80/100-21 51M

    Tyre - rear

    120/80-19 63M

    Steering angle - left / right

    42 / 42

  • Suspension

    Suspension - front

    49 mm inverted telescopic fork with adjustable compression and rebound damping.

    Suspension - rear

    New Uni-Trak with adjustable dual-range (high/lowspeed) compression damping, adjustable rebound damping and adjustable preload.

  • Brakes

    Brakes - front

    Single semi-floating 270 mm petal disc. Caliper: Brembo Dual-piston

    Brakes - rear

    Single 240 mm petal disc. Caliper: Single-piston

  • Dimensions

    Dimensions (L x W x H)

    2,180 x 820 x 1,270 mm

    Wheelbase

    1,480 mm

    Ground Clearance

    345 mm

    Seat height

    960 mm

    Fuel capacity

    6.2 litres

    Curb Mass

    112.6 kg

  • Performance

    Max Speed

    Running Time