KTM 250 SX-F '26
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Description
KTM 250 SX-F 2026: The leader of the 250cc 4-stroke class
The KTM 250 SX-F ’26 continues to dominate the mid-size 4-stroke segment, offering a rare combination of intuitive handling, low weight and exploitable power for all levels of riding. The model is designed for beginners, advanced and professional riders, maintaining its READY TO RACE reputation regardless of the track or competition.
With an engine of only 26.11 kg, the 250 SX-F achieves an exceptional performance-to-weight ratio, being considered one of the most competitive motorcycles in its class. The engine has been specifically optimized to deliver consistent power in the mid- and upper rpm range, which turns the bike into a complete package for modern motocross.
The suspension continues to be a strategic advantage, thanks to tool-free adjustments, fast and efficient. The rear shock features manual low- and high-speed compression adjustment, allowing the bike to be tuned to the rider’s style and riding surface in seconds.
The 48mm WP XACT AER forks are built for precise damping, with a sealed air chamber, pressurized oil chamber and bypasses that reduce pressure peaks. This assembly provides stability and comfort, while the mid-valve system improves suspension response on aggressive sections of the track. In addition, adjustments are made manually via accessible clickers, and a dedicated air pump comes standard in the package, which helps the rider set the pressure quickly before the race.
The KTM Factory Racing-inspired frame and chassis improve flexibility and feedback, providing a precise feel of control on jumps, corners and technical areas. The KTM 250 SX-F ’26 is a complete package for those who want a competitive 4-stroke bike that is ready for the podium.
Technical specifications
Engine
Engine type: 1 cylinder, 4 stroke
Displacement: 249.9 cc
Gearbox: 5-speed
Power supply: KEIHIN EFI, 44 mm throttle
EMS: KEIHIN EMS
Clutch: DS multi-disc in oil bath, Brembo hydraulic
Primary drive ratio: 24:72
Frame: 25CrMo4 double swingarm steel
Rear subframe: aluminum reinforced polyamide
Front brakes: disc
Rear brakes: disc
Chain: 520 non-sealed
Suspension
Front fork: WP XACT-USD AER, Ø 48 mm
Rear shock absorber: WP XACT linked by links
Front suspension travel: 310 mm
Rear suspension travel: 300 mm
Front adjustments: high/low speed compression and rebound
Rear adjustments: compression and return
Dimensions and weight
Seat height: 958 mm
Ground clearance: 343 mm
Tank capacity: 7.2 liters
Weight without fuel: 101.5 kg.
