Featuring special tuning and elite-level racing components, the all-new limited edition 2022 KX™450SR motorcycle is built to win right out of the box. This bike is designed to further elevate the performance, durability and styling of the already championship-proven KX™450 platform by partnering up with the most respected names in the sport.
Engine and transmission
Displacement 449.0 ccm (27.40 cubic inches)
Engine type Single cylinder, four-stroke
Compression 12.5:1
Bore x stroke 96.0 x 62.0 mm (3.8 x 2.4 inches)
Fuel system Injection. DFI® with 44mm Keihin throttle body
Fuel control Double Overhead Cams/Twin Cam (DOHC)
Ignition Digital CDI with 3 Coupler Options
Cooling system Liquid
Gearbox 5-speed
Transmission type Chain (final drive)
Clutch Wet multi-disc, manual
Chassis, suspension, brakes and wheels
Frame type Aluminum perimeter
Rake (fork angle) 27.6°
Trail 122 mm (4.8 inches)
Front suspension 49mm inverted telescopic coil-spring fork with 16-way compression damping and 16-way rebound damping
Front wheel travel 315 mm (12.4 inches)
Rear suspension Uni-Trak® gas charged shock with piggyback reservoir with dual-range (4 turns stepless high speed/19-way low-speed) compression damping, 38-way rebound damping and adjustable preload
Rear wheel travel 307 mm (12.1 inches)
Front tire 80/100-21
Rear tire 120/80-19
Front brakes Single disc. Semi-floating petal discs. Dual piston.
Diameter 270 mm (10.6 inches)
Rear brakes Single disc. Petal disc. Single-piston caliper.
Diameter 250 mm (9.8 inches)
Wheels Wire spoked
Physical measures and capacities
Dry weight 105.6 kg (232.7 pounds)
Weight incl. oil, gas, etc 110.2 kg (242.9 pounds)
Seat height 955 mm (37.6 inches) If adjustable, lowest setting.
Overall height 1265 mm (49.8 inches)
Overall length 2185 mm (86.0 inches)
Overall width 820 mm (32.3 inches)
Ground clearance 340 mm (13.4 inches)
Wheelbase 1485 mm (58.5 inches)
Fuel capacity 6.20 litres (1.64 US gallons)