KTM 450 SX-F Factory 2021 - Specifications & Review

Introducing the 2021 KTM 450 SX-F Factory, a motorcycle that encapsulates the spirit of competitive motocross while delivering the cutting-edge technology and performance that KTM is renowned for. This machine is designed for serious racers and enthusiasts who demand peak performance on the track and rugged reliability off it. With a lightweight frame, exceptional power delivery, and advanced suspension, the 450 SX-F Factory stands as a formidable contender in the cross-motocross category, promising not just speed but also agility and control for every rider.

At the heart of the 450 SX-F Factory is a powerful single-cylinder, four-stroke engine with a displacement of 449.3 cc. This powerhouse produces an impressive 63.0 horsepower, ensuring exhilarating acceleration and unmatched performance on the track. The engine's advanced fuel injection system, complemented by the Keihin EMS ignition, guarantees precise throttle response and optimal fuel efficiency. Riders will appreciate the smooth power band and the seamless shifting provided by the 4-speed gearbox, while the wet, DDS multi-disc clutch engineered by Brembo ensures that every gear change is crisp, responsive, and fatigue-free even during the most intense races. With a weight of just 100.5 kg (221.6 pounds), the power-to-weight ratio of 0.6269 HP/kg allows for an agile riding experience, making it easy to navigate tight corners and execute jumps with confidence.

The 2021 KTM 450 SX-F Factory is packed with features that elevate the riding experience to new heights. The WP XACT-USD front suspension with 48 mm forks and WP XACT Monoshock at the rear offers an impressive 310 mm and 300 mm of travel, respectively, absorbing the toughest terrain to keep you planted and in control. Safety is paramount, and the bike’s braking system features single discs with calipers mounted on floating bearings, providing responsive stopping power when you need it most. Additionally, the connectivity to the myKTM app allows riders to track performance metrics and customize settings, ensuring that your ride is tailored to your specific needs. The striking orange, white, and black color scheme not only enhances its aesthetic appeal but also signifies its racing pedigree.

PROs:

1. Exceptional Power: The 63 HP engine delivers thrilling acceleration and performance, perfect for competitive racing.
2. Advanced Suspension: WP XACT suspension provides excellent handling and comfort over rough terrains, enhancing rider confidence.
3. Lightweight Design: At 100.5 kg, this motorcycle's lightweight construction contributes to its agility and easy maneuverability.

CONs:

1. Seat Height: With a seat height of 950 mm (37.4 inches), it may be challenging for shorter riders to manage.
2. Fuel Capacity: At 7.00 liters (1.85 gallons), the fuel tank might require more frequent refueling during extended rides or races.
3. Maintenance Needs: High-performance components can demand more frequent maintenance to keep the motorcycle in peak condition for racing.

The 2021 KTM 450 SX-F Factory is more than just a motorcycle; it’s a statement of intent for those who dare to push the limits. Whether you’re competing at the highest level or seeking thrills on the weekend, this bike is engineered to deliver an unmatched riding experience.