2026 KTM SX Motocross Lineup: Raising the Bar Again. What’s new?

New season, new goals, new standards. For those seeking top performance, outstanding handling, proven competitiveness, and an impressive look, the refreshed KTM SX Motocross lineup for 2026 has it all.

The KTM SX range will be available from authorized KTM dealers starting August 2025, offering an exciting Motocross experience for riders of every age and skill level.

KTM SX Range Models

Sportminicycles:

• KTM 50 SX
• KTM 50 SX FACTORY EDITION
• KTM 65 SX
• KTM 85 SX

Full-size 2-stroke and 4-stroke:

• KTM 125 SX
• KTM 250 SX
• KTM 300 SX
• KTM 250 SX-F
• KTM 350 SX-F
• KTM 450 SX-F

Full-Size Firepower: KTM SX & SX-F Models

The 2026 KTM lineup stays ahead with agile handling, powerful engines, and advanced electronics. Riders can achieve factory-level precision using the optional Connectivity Unit Offroad (CUO), combined with the KTMconnect app. This allows riders to customize engine behavior, traction control, and suspension settings.

All full-size KTM SX and SX-F models are developed from championship-winning experience in the FIM Motocross World Championship (MXGP and MX2) and AMA Supercross/Motocross series. Some markets offer versions meeting new FIM noise regulations starting in 2025. The 2026 models feature refreshed styling with vibrant orange graphics, purple details on tank spoilers and fork guards, a black powder-coated frame, and a matching black seat.

Updates include:

• Easier-access radiator closure
• Improved fuel injection unit protector cap
• Enhanced wiring harness and fixing points for 2-stroke SX models

The Next Generation: KTM Sportminicycles

KTM continues its commitment to young riders in 2026, offering a progressive path from first rides on electric SX-E models to racing on KTM 50 SX and KTM 85 SX models.

Key updates for 2026 KTM Sportminicycles include:

• KTM 50 SX and KTM 65 SX: New WP XACT AER front forks for improved damping and performance
• Standardized radiator closure for easy maintenance
• Triple clamps now use the same 17 mm wrench size as full-size models for better resistance to dirt and water
• Strengthened throttle cable assembly to avoid damage

Additional enhancements:

• KTM 65 SX: Upgraded clutch fixation system for better durability
• Improved exhaust flange gasket and redesigned exhaust valve ventilation for reliability
• KTM 85 SX: Adjustable rear brake lever for different rider sizes

KTM 50 SX FACTORY EDITION: Specially equipped with READY TO RACE KTM PowerParts and graphics inspired by Red Bull KTM Factory Racing.

2026 KTM SX Range Highlights:

• Championship-winning technical platform
• Updated graphics with a strong orange color, purple highlights, black seat and frame
• KTM Sportminicycles with improved suspension, clutch, and durability
• Full range of KTM PowerParts and KTM PowerWear for protection, performance, and customization

Manfred Edlinger, Head of Motocross Development:

“We’re entering another year of continuous improvement for our KTM SX models. Our goal is to remain the top choice for racers. The 2026 range features new styling and enhancements for both full-size and Sportminicycles, offering young racers and experienced riders alike the best tools to succeed. We’re excited to keep setting higher standards in motocross.”

The full 2026 KTM SX lineup will be available from August 2025 at authorized KTM dealers. Information on the 2026 SX-E models will be released later this summer.