2026 KTM 450 SX-F 2026 KTM 450 SX-F
The 2026 KTM 450 SX-F is a race-focused motocross machine built for explosive performance, precise handling and confident control. It is powered by a 449.9 cc liquid-cooled, single-cylinder 4-stroke engine with electronic fuel injection, ride-by-wire throttle, electric start and a 5-speed transmission, delivering strong torque and responsive power throughout the rev range.
The lightweight chrome-molybdenum steel frame is paired with WP XACT 48 mm inverted front forks and a WP XACT rear shock with linkage, both offering approximately 310 mm of travel and adjustable settings for demanding track conditions.
Hydraulic disc brakes provide powerful stopping performance, with an approximately 270 mm front disc and 240 mm rear disc. The bike features 21-inch front and 19-inch rear wheels with 80/100 and 110/100 motocross tyres, plus a 520 chain drive.
Key Specs: 449.9 cc | 5-Speed | Electric Start | WP XACT Suspension | Approx. 106 kg Dry Weight | 960 mm Seat Height | 350 mm Ground Clearance | 13.5:1 Compression Ratio | 95 mm Bore | 63.4 mm Stroke.
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