© 2025, Roadracing World Publishing, Inc. From a press release issued By KTM
(Editor’s Edit: The 125 SMC R is among KTM’s offerings in the U. S. )USA).
By 2025, the supermoto segment receives two welcome additions: the KTM 125 SMC R and the KTM 390 SMC R. These small-displacement SMC R models will provide the accessibility and ease of use of a compact single-cylinder motorcycle while still providing a smooth ride. dynamic. reports with practical use in the real world, with a true READY TO RACE attitude.
MODEL RANGE OVERVIEW
The KTM 125 SMC R and KTM 390 SMC R bring supermoto thrills to a wider audience. Boasting long travel suspension, 17” wheels, grippy tires, and a specifically curated selection of rider aids and tech, they provide real-world, sporty riding in an accessible, rider-friendly package.
BODY AND GRAPHICS
The KTM 125 SMC R and KTM 390 SMC R feature a narrow and compact frame profile, thanks to a very compact 9-litre steel fuel tank and stylish fairings. These not only reduce the overall width, but also the tank in the event of a fall, while optimizing the rider’s ergonomics when leaning on the footpegs or cornering.
CTG AND GRAPHICS
The 2025 KTM 125 SMC R and KTM 390 SMC R models feature all-new off-road-inspired styling, with a clear and definitive KTM CTG design in molded graphics.
SUSPENSION AND CHASSIS
A new 2-piece metal trellis frame design is based on the Gen 3 platform shared with lower-capacity DUKE models, but features a different head angle, triple clamps, subframe mounts and a stiffness profile, especially designed for off-road use. Improved handling and stability. The new frame is also designed to provide more radiator clearance, with footpeg placement optimized to better suit riding taste and the demands of competitive supermoto riding.
SUBFRAME
The new subframe features an elegant bolt-on metal lattice design, inspired by the off-roader. This unique design contributes to a solid and strong construction, and the subframe has been designed in particular to offer a one-piece seat while also having a long life. travel suspension, while being stylish, functional, and carefully designed for this purpose.
TILT
The new die-cast swingarm, prepared for all-terrain, has been specially evolved to withstand shocks. The swingarm belongs to the new generation of the smaller ADVENTURE range.
SUSPENSION
Both the KTM 125 SMC R and KTM 390 SMC R feature a 43mm WP APEX open-cartridge front fork, which provides 230mm of travel. The KTM 390 SMC R stands out for its effortless compression and rebound adjustment, allowing for quick adjustment in comfortable 30-click increments, without the need for equipment, while the KTM 125 SMC R features the same in a non-adjustable setting.
On the rear, both models feature an off-center WP APEX shock absorber with 230 mm of travel, with the KTM 390 SMC R boasting adjustable rebound properties with 20 clicks. The preload is adjustable with a tool. The KTM 125 SMC R rear shock is not adjustable for rebound, but preload can be adjusted with a tool.
WHEELS AND TIRES
Both the KTM 125 SMC R and the KTM 390 SMC R feature 17” wheels at each end in 110/70 R17 and 150/60 R17 dimensions respectively. The KTM 390 SMC R boasts spoked wheels wrapped in Michelin power 6 tires, while the KTM 125 SMC R is equipped with cast wheels.
BRAKES
The KTM 125 SMC R and KTM 390 SMC R come with strong 320mm radial brakes at the front and 240mm single-piston brakes at the rear for supermoto-fighting power.
ENGINE
BEDROOM
This new LC4c engine features a larger valve cover and smaller cylinder head, reducing weight on top of the engine. A new thermostat position, fixed to the cylinder head, improves thermal tracking and provides more robust operating temperatures in other driving conditions.
FUEL INJECTION
The new injectors are now angled to the intake valves to reduce buildup in the intake runner. These new injectors also deliver a finer spray of fuel, resulting in more effective combustion and fewer emissions.
NEW AIRBOX
A new airbox has been optimized to suit the SMC R packaging. This has been done to allow the engine to sit higher, increasing ground clearance and allowing a more focused rider triangle.
EXHAUST
GEARBOX AND CLUTCH
Forward steering reduces shifting forces within the gearbox and has been achieved by replacing the previous 5mm guides with 6mm guides on the fork axles, as well as other small optimisations. The shape of the shift drum has been optimized to facilitate shifting between 5th and 5th gears. Sixth gear is less difficult, allowing smoother movements of the gears along the axles. The shift lever has also been lowered, allowing for faster and more responsive action. All models now include an assisted slipper clutch, with optimized gears on the clutch bell and flywheel that reduce weight and make the clutch less difficult to control, as well as an optional Quickshifter+ system.
TECH
Setting the benchmark for the small-displacement superbike segment, the 2025 KTM 125 SMC R and KTM 390 SMC R take advantage of real-world technological advancements that not only delight riding but also safety.
RIDING MODES AND ABS
The 2025 KTM 390 SMC R features selectable riding modes. The default setting is STREET and for riders looking for more control, as well as SPORT mode where Motorcycle Traction Control (MTC) can also be completely disabled. A new memory function is added to the 2025 range. The motorcycle will adopt the selected riding mode when switched off and retain that mode once started. All SMC R models are supplied with dual-channel ABS, thanks to the Bosch 10. 3 MB modulator. If a rider selects SPORT mode, they can choose between Road, Supermoto or Supermoto+ ABS. The KTM 125 SMC R does not have selectable riding modes.
LED LIGHTS
All models in the Diversity 2025 range are supplied with LED lights, which offer visibility during the right daylight hours and illumination in the middle of the night.
NEW DASHBOARD
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