2026 KTM SX 450 F

 

The 2026 KTM 450 SX-F

THE TOP OF THE FOODCHAIN

Still the reference. AMA Supercross wins and titles. MXGP wins and titles and history. What's the next chapter? Write it. Beat the best and rule the rest with the only standard.

Features may include:

Before The Gate

• Easy Suspension Adjustment

As always, the suspension boasts an easy tool-free setup at both ends, ensuring you chase down the podium in total control. On the rear, a hand-adjustable dual compression option allows riders to adjust high- and low-speed settings in a matter of seconds. The forks on the front end are also easily modified thanks to hand-adjustable clickers on the bottom of the fork shoe and top cap.

Start Strong

• More Usable Power

When the gate drops you need to be the first to off the line in a bid to rule (and make) the roost. The KTM 450 SX-F boasts one of the strongest and most versatile 4-stroke powerplants in the paddock, with its SOHC engine proving to be the perfect example of advanced engineering. With a peak power output, and an overall engine weight of only 59 lb (26.8 kg), you'll leave the competition with more than a little mud on the face.

Calm Under Fire

• Absolute Control

Get ready for a full-on berm assault. The KTM SX and SX-F machines received major frame updates directly from KTM Factory Racing efforts. For starters, the area around the rear shock mount is streamlined, with engine mounts and cut-outs for improved chassis flex. The front area of the frame has an optimum wall thickness with renewed engine mounts.

Hit The Big Stuff

• WP XACT Fork

TECHNICAL DETAILS

Engine

• Engine1-cylinder, 4-stroke engine
• Displacement449.9 cm³
• Stroke4-Stroke
• Engine ManagementKeihin EMS
• Cylinder LinersSingle cylinder

Fuel System

• Fuel SystemFuel-mixture generation: Keihin EFI, throttle body 44 mm

Drivetrain

• Transmission5-speed
• Primary Drive29:72
• ClutchWet, DDS multi-disc clutch, Brembo hydraulics | Primary drive teeth: 72

Chassis

• Chain Type520, Non-sealed
• Frame TypeCentral double-cradle-type 25CrMo4 steel | Rear subframe design: Aluminum-reinforced polyamide

Suspension

• Front SuspensionWP XACT-USD (AER), Ø 48 mm
• Rear SuspensionWP XACT Monoshock with linkage
• Front Travel (in./cm.)310 mm
• Rear Travel (in./cm.)300 mm

Brakes

• Front braking systemDisc brake
• Rear braking systemDisc brake

Dimensions

• Ground Clearance343 mm
• Seat Height958 mm

Capacities

• Fuel CapacityTank (approx.): 7.2 l