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The 2026 KTM 450 SX-F is a top-tier motocross machine designed for experienced dirt bike riders, combining powerful 450cc performance with lightweight agility and race-proven technology.

Engine:SOHC, liquid-cooled, 4-stroke single-cylinder; 4 valves
Displacement:450cc
Transmission/Final Drive:5-speed/chain
Dirt Rider Measured Horsepower:56.7 hp @ 9400 rpm
Dirt Rider Measured Torque:34.5 lb.-ft. @ 7700 rpm
Fuel System:EFI w/ 44mm throttle body
Clutch:Wet, multiplate Damped Diaphragm Steel (DDS); hydraulic actuation
Front Suspension:WP Xact AER 48mm fork, air pressure, compression damping, and rebound damping adjustable; 12.2 in. travel
Rear Suspension:WP Xact shock, spring preload, high/low-speed compression damping, and rebound damping adjustable; 11.8 in. travel
Front Brake:Brembo 2-piston caliper, 260mm disc
Rear Brake:Brembo 1-piston caliper, 220mm disc
Tires, Front/Rear:Dunlop Geomax MX34; 80/100-21 / 120/80-19
Fuel Capacity:7.2 litres