KTM 450 SMR 2025 Preview
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The track-only KTM 450 SMR, built on the platform of the KTM 450 SX-F, has been updated for 2025, with improvements to the frame, fork and styling.
The most significant update to the KTM 450 SMR is the frame, which now features visible cuts and changes to the wall thickness around the front. The engine and rear shock mounts have also undergone some changes. These upgrades help reduce the bike’s weight, which is 240 pounds empty, while also improving chassis flex and cornering behavior, according to KTM. There are also smaller footpegs to maximize lean angle.
The SMR’s suspension has also been updated for 2025. The previous 48mm AER front forks have been replaced with fully adjustable 48mm WP XACT sealed cartridge springs with a new mid-valve piston concept to optimize oil flow. A new hydraulic stop at the end of the stroke is said to help maintain maximum reserve for situations like high jumps and hard landings. The WP XACT shock returns with an updated linkage that features new seals and smaller diameter linkage bolts. Suspension travel is 11.1 inches up front and 10.4 inches at the rear.
Related: KTM 450 SMR 2021 Review | First Review
The intake system has been improved with a one-piece intake and snorkel design to prevent deformation thanks to a stronger and more rigid structure. An updated fuel tank bracket is said to help protect the frame. Fuel capacity is 1.9 gallons.
The bike also gets a new fuel tank cover with a dual-layer composite on the top and bottom sides, which adds to the SMR’s new look. The all-orange bodywork with red and black graphics and a black seat, which KTM says is more durable than the previous one, also add to the bike’s new look.
Returning to the SMR are the Metzeler Racetec SM K1 Supermoto tyres, replacing the Bridgestone tyres used since Updated 2023The Metzelers are equipped with 16.5-inch front wheels and 17-inch rear wheels.
The KTM 450 SMR is still powered by a 449.9cc liquid-cooled SOHC Single engine that produces 63 horsepower. Braking is provided by Brembo, with 310mm front discs mated to radial-mounted 4-piston calipers. The bike also gets a quickshifter that allows clutchless shifting from 2nd to 5th gear, two riding modes, traction control and launch control.
Pricing for the 2025 KTM 450 SMR has yet to be announced, but KTM says it will be available in dealerships starting in November 2024.
Check out more new bikes inDriverMotorcycle Buying Guide 2025