2026 KTM 450 SX-F FACTORY

ENGINE PERFORMANCE:

The 449.9cc single-cylinder, 4-stroke engine is engineered for maximum output with precise throttle control. Combined with Keihin EFI and advanced EMS, it delivers strong, linear power with aggressive top-end performance ideal for motocross racing. :contentReference[oaicite:1]{index=1}

FACTORY-LEVEL SUSPENSION:

Equipped with WP XACT PRO 7548 front forks and WP XACT PRO 8950 rear shock, this setup provides elite-level damping, improved bottoming resistance, and unmatched adjustability for race conditions. :contentReference[oaicite:2]{index=2}

PRECISION CHASSIS:

The central double-cradle 25CrMo4 steel frame offers optimized flex characteristics for stability at speed while maintaining agile handling through technical sections.

ADVANCED ENGINE MANAGEMENT:

Keihin EMS works in conjunction with the EFI system to deliver precise fuel mapping and throttle response, giving riders consistent performance across varying track conditions.

RACE-READY TRANSMISSION:

The 5-speed gearbox is tuned for motocross performance, providing optimal gear spacing for explosive starts and strong drive out of corners.

LIGHTWEIGHT CONSTRUCTION:

At just over 106 kg (without fuel), the bike remains incredibly light, improving handling, acceleration, and rider control on demanding tracks. :contentReference[oaicite:3]{index=3}

FULLY ADJUSTABLE SUSPENSION:

Both front and rear suspension systems offer compression, rebound, and preload adjustability, allowing riders to dial in performance for different track conditions and riding styles.

RACE-INSPIRED ERGONOMICS:

A 958 mm seat height and aggressive rider triangle provide optimal control, allowing riders to move freely and maintain balance through jumps, berms, and whoops. :contentReference[oaicite:4]{index=4}