Kawasaki Motorcyle Motorcross KX450 2021
Configuration and Pricing Guide

Standard Equipment

POWER
Engine: 4-stroke, 1-cylinder, DOHC, water-cooled
Displacement: 449cc
Bore x Stroke: 96.0 x 62.1mm
Compression Ratio: 12.5:1
Fuel System: DFI with 44mm Keihin throttle body
Ignition: Digital CDI with electric start
Transmission: 5-speed, return shift
Final Drive: Chain
PERFORMANCE
Front Suspension / Wheel Travel: 49mm inverted coil-spring telescopic fork with adjustable compression and rebound damping/12.0 in
Rear Suspension / Wheel Travel: New Uni-Trak with adjustable dual-range (high/low-speed) compression damping, adjustable rebound damping and adjustable preload/12.1 in
Front Tire: 80/100-21
Rear Tire: 120/80-19
Front Brakes: Single semi-floating 270mm Braking petal disc with dual-piston caliper
Rear Brakes: Single 250mm Braking petal disc with single-piston caliper
DETAILS
Frame Type: Aluminum perimeter
Rake / Trail: 27.6°/4.8 in
Overall Length: 86.0 in
Overall Width: 32.7 in
Overall Height: 50.2 in
Ground Clearance: 13.4 in
Seat Height: 37.6 in
Curb Weight: 232.3 lb without fuel / 242.4 lb
Fuel Capacity: 1.64 gal
Wheelbase: 58.5 in
Color Choices: Lime Green