2027 KTM SX 450 F Single-Cylinder 449.9

2027 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:

CLICK INTO ACTION

• 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.

BREATHE EASY

• AIRBOX

Designed to provide maximum airflow, the air filter box is designed with precisely positioned inlet ducts aimed at preventing air deformation and maintaining filter protection. The Twin Air filter and air filter support design feature a simple fail-proof mounting system for safe and accurate filter installation, ensuring the air filter is easily accessed, without tools, by removing the left side panel, for easy track-side maintenance. A vented air filter box cover is also included for all SX and SX-F models in the by-pack.

LESS FOCUS ON THE TOOL, MORE FOCUS ON THE TRACK

• SERVICEABILITY

The KTM SX and SX-F range is engineered and designed to provide riders with easy-to-access service parts, as well as suspension adjustability. This permits faster trackside and off-season maintenance, as well as simplifying motocross for novice riders without pit crews. For 2026, a new threaded radiator cap allows easier and faster opening with reduced force.

UNMATCHED PERFORMANCE

• PERFORMANCE

The KTM SX-F engine is tilted 2° backward, this means greatly improved mass centralization and reduced overall weight, benefiting handling and anti-squat behavior. A silencer offers an improved response in combination with the mapping switch and provides a slightly quieter exhaust note.

SLEEKER FOR YOU TO SCRUB CLEANER

• ABSOLUTE CONTROL

Get ready for a full-on berm assault. The KTM SX and SX-F machines feature revised frame updates developed with input from KTM Factory Racing. For starters, the area around the rear shock mount is streamlined, with optimized engine mounts and cut-outs for improved chassis flex. The front area of the frame features optimized wall thickness with updated engine mounts.

We make every effort to present information that is accurate. However, it is based on data provided by the vehicle manufacturer and/or other sources and therefore exact configuration, color, specifications & accessories should be used as a guide only and are not guaranteed. We are not liable for any inaccuracies, claims or losses of any nature. Inventory is subject to prior sale and prices are subject to change without notice and cannot be combined with any other offer(s). The price for listed vehicles as equipped does not include other charges such as: License, Title, Registration Fees, State or Local Taxes, Smog Fees, Credit Investigation, Optional Credit Insurance, Physical Damage of Liability Insurance, Delivery Fees, Finance and/or Documentation Fees. Any and all differences must be addressed prior to the sale of this vehicle.