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2025 KTM 125 SMC R

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"IT'S IN YOU. LET IT OUT."

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Small it might be, but don't sideline this apex-hunting, smile-inducing Supermoto. With lightweight handling, ample performance, state-of-the-art rider aids and top-shelf components, the 2025 KTM 125 SMC R is here to dominate everything from schoolyard car parks to abandoned cart tracks.

  • PHO_BIKE_90_RE_Supermoto-KTM-2025-125-smc-r-orange-t-right-side-view_#SALL_#AEPI_#V1.png
    PHO_BIKE_90_HI_Supermoto-KTM-2025-125-smc-r-orange-rear-view_#SALL_#AEPI_#V1.png
    PHO_BIKE_90_LI_Supermoto-KTM-2025-125-smc-r-orange-left-side-view_#SALL_#AEPI_#V1.png
    PHO_BIKE_90_REVO_Supermoto-KTM-2025-125-smc-r-orange-front-right-image_#SALL_#AEPI_#V1.png
    PHO_BIKE_90_VO_Supermoto-KTM-2025-125-smc-r-orange-front-view_#SALL_#AEPI_#V1.png
    PHO_BIKE_PERS_REHI_Supermoto-KTM-2025-125-smc-r-orange-top-view_#SALL_#AEPI_#V1.png
Small it might be, but don't sideline this apex-hunting, smile-inducing Supermoto. With lightweight handling, ample performance, state-of-the-art rider aids and top-shelf components, the 2025 KTM 125 SMC R is here to dominate everything from schoolyard car parks to abandoned cart tracks.
  1. CLUTCH IN, REVS UP!
  2. DROP THE CLUTCH!
  3. HIT THE ROAD
  4. CARVE IT UP
CLUTCH IN, REVS UP!

01. CLUTCH IN, REVS UP!

PLUSH PERFORMANCE
PLUSH PERFORMANCE

Adjustablity

Finding that perfect balance when attacking your favorite stretch of dirt or for added comfort around town is easy, thanks to the KTM 125 SMC R's adjustable footrests - not to mention a complete PowerPart catalog filled with performance and style enhancing add-ons.

INFOTAINMENT
INFOTAINMENT

TFT-DISPLAY

A 4.2" H42 TFT dashboard takes prime position ahead of the rider, featuring a unique, specially-designed user interface to suit the compact screen size. Made from bonded glass, the TFT screen also boasts a special coating and polarization to reduce glare and increase visibility in all lighting conditions. Riders can also access music, incoming calls, turn-by-turn navigation, and Ride Modes via the dashboard - with a USB port for device charging duties.

READY TO SHRED
READY TO SHRED

Bodywork

With an ergo triangle inspired by its trusted and beloved 690 sibling, the KTM 125 SMC R boasts aggressive bodywork and a compact 9L metal fuel tank that is perfectly styled to allow for easy put-out, knee-down action. The bodywork is also made from proven, flexible, and long-lasting PP plastic material better suited for off-roading and aggressive riding.

100% SUPERMOTO
100% SUPERMOTO

Graphics

The KTM 125 SMC R comes with premium looks and a striking graphic design as standard. Thanks to top-tier in-mold graphics, it not only looks the part but can also handle anything the outdoors throws at it.

CLUTCH IN, REVS UP!
PLUSH PERFORMANCE
PLUSH PERFORMANCE

Adjustablity

Finding that perfect balance when attacking your favorite stretch of dirt or for added comfort around town is easy, thanks to the KTM 125 SMC R's adjustable footrests - not to mention a complete PowerPart catalog filled with performance and style enhancing add-ons.
PLUSH PERFORMANCE
CLUTCH IN, REVS UP!
INFOTAINMENT
INFOTAINMENT

<p class="xstandard"><a href="https://www.ktm.com/tech-guide/tft" target="_blank">TFT-DISPLAY</a></p>

A 4.2" H42 TFT dashboard takes prime position ahead of the rider, featuring a unique, specially-designed user interface to suit the compact screen size. Made from bonded glass, the TFT screen also boasts a special coating and polarization to reduce glare and increase visibility in all lighting conditions. Riders can also access music, incoming calls, turn-by-turn navigation, and Ride Modes via the dashboard - with a USB port for device charging duties.
INFOTAINMENT
CLUTCH IN, REVS UP!
READY TO SHRED
READY TO SHRED

Bodywork

With an ergo triangle inspired by its trusted and beloved 690 sibling, the KTM 125 SMC R boasts aggressive bodywork and a compact 9L metal fuel tank that is perfectly styled to allow for easy put-out, knee-down action. The bodywork is also made from proven, flexible, and long-lasting PP plastic material better suited for off-roading and aggressive riding.
READY TO SHRED
CLUTCH IN, REVS UP!
100% SUPERMOTO
100% SUPERMOTO

Graphics

The KTM 125 SMC R comes with premium looks and a striking graphic design as standard. Thanks to top-tier in-mold graphics, it not only looks the part but can also handle anything the outdoors throws at it.
100% SUPERMOTO
DROP THE CLUTCH!

02. DROP THE CLUTCH!

POWER HUNGRY
POWER HUNGRY

Engine

Boasting the latest generation of KTM's LC4c engine, the KTM 125 SMC R features a compact, 124 cc single-cylinder powerplant, churning out impressive power and effortless acceleration.
This makes it ideal for charging through motorway traffic, or playing around in the parking lots.

BRAKE YOUR WAY
BRAKE YOUR WAY

ABS

The KTM 125 SMC R boasts a Bosch 10.3MB Modulator which is the brain responsible for its impressive ABS system. This enables standard ABS and a Supermoto ABS option for sliding action.

LIGHT UP THE DARKNESS
LIGHT UP THE DARKNESS

LED Lighting

Tearing a deep gash into the night, the KTM 125 SMC R is equipped with powerful LED lights. Not only do these work when the world becomes dark, but they also provide improved visibility when navigating busy traffic or misty road conditions.

DROP THE CLUTCH!
POWER HUNGRY
POWER HUNGRY

Engine

Boasting the latest generation of KTM's LC4c engine, the KTM 125 SMC R features a compact, 124 cc single-cylinder powerplant, churning out impressive power and effortless acceleration.
This makes it ideal for charging through motorway traffic, or playing around in the parking lots.
POWER HUNGRY
DROP THE CLUTCH!
BRAKE YOUR WAY
BRAKE YOUR WAY

<a href="https://www.ktm.com/tech-guide/supermoto-abs" target="_blank">ABS</a>

The KTM 125 SMC R boasts a Bosch 10.3MB Modulator which is the brain responsible for its impressive ABS system. This enables standard ABS and a Supermoto ABS option for sliding action.
BRAKE YOUR WAY
DROP THE CLUTCH!
LIGHT UP THE DARKNESS
LIGHT UP THE DARKNESS

<a href="https://www.ktm.com/tech-guide/led-lights" target="_blank">LED Lighting</a>

Tearing a deep gash into the night, the KTM 125 SMC R is equipped with powerful LED lights. Not only do these work when the world becomes dark, but they also provide improved visibility when navigating busy traffic or misty road conditions.
LIGHT UP THE DARKNESS
HIT THE ROAD

03. HIT THE ROAD

RACE TO COMFORT
RACE TO COMFORT

Ergonomics

With an ergo-triangle inspired by its bigger brother, the KTM 690 SMC R, the KTM 125 SMC R features an aggressive handlebar shape, upright seating angle, and generous space for easy on-bike mobility.

TAKE A SEAT
TAKE A SEAT

Seat

Taking inspiration from the KTM EXC range but with added comfort for longer commutes or trips, the KTM 125 SMC R has a new 860 mm single-piece flat seat design for easy on-board mobility and getting low into an apex.

FIND YOUR FOOTING
FIND YOUR FOOTING

Footpegs

All-new, grippy footrests ensure riders have an uninterrupted foothold when banging through the gears, or carving through some tight turns. These are also adjustable in two positions.

HIT THE ROAD
RACE TO COMFORT
RACE TO COMFORT

Ergonomics

With an ergo-triangle inspired by its bigger brother, the KTM 690 SMC R, the KTM 125 SMC R features an aggressive handlebar shape, upright seating angle, and generous space for easy on-bike mobility.
RACE TO COMFORT
HIT THE ROAD
TAKE A SEAT
TAKE A SEAT

Seat

Taking inspiration from the KTM EXC range but with added comfort for longer commutes or trips, the KTM 125 SMC R has a new 860 mm single-piece flat seat design for easy on-board mobility and getting low into an apex.
TAKE A SEAT
HIT THE ROAD
FIND YOUR FOOTING
FIND YOUR FOOTING

Footpegs

All-new, grippy footrests ensure riders have an uninterrupted foothold when banging through the gears, or carving through some tight turns. These are also adjustable in two positions.
FIND YOUR FOOTING
CARVE IT UP

04. CARVE IT UP

THE BACKBONE
THE BACKBONE

Frame

The new design features a 2-piece construction composed of an all-new steel trellis main frame with a pressure die-cast aluminum subframe. Not only designed for overall looks, the primary objective of the frame design is to enhance vehicle dynamics by augmenting torsional rigidity, improved agility, and enhanced feedback from the chassis.

CURVED PIVOT
CURVED PIVOT

Swingarm

A gravity die-cast swingarm has been specifically developed for the KTM 125 SMC R, and provides a sturdy and durable platform for the rear suspension system. Featuring a direct shock absorber mount offset to the side, it creates additional space for the unique exhaust system.

SPRING INTO ACTION
SPRING INTO ACTION

Suspension

Upfront, a non-adjustable 43 mm WP APEX open cartridge fork with 230 mm travel keeps things in check, while a WP APEX Separate piston shock absorber also boasts 230 mm of travel, with preload adjustment possible.

ROLLING THUNDER
ROLLING THUNDER

Wheels and Tires

The KTM 125 SMC R boasts 17" wheels at each end, wrapped in Michelin Power 6 rubber measuring 110/70 R17 on the front and 150/60 R17 on the rear.

STOPPING POWER
STOPPING POWER

Brakes

Pulling out all the stops, the KTM 125 SMC R is equipped with a 320 mm radial brake disk and Bybre caliper upfront, with a 240 mm brake disk and single-piston caliper at the rear. These are supported by KTM's proven ABS technology for added safety - but this can also be disabled completely for added "fun".

CARVE IT UP
THE BACKBONE
THE BACKBONE

Frame

The new design features a 2-piece construction composed of an all-new steel trellis main frame with a pressure die-cast aluminum subframe. Not only designed for overall looks, the primary objective of the frame design is to enhance vehicle dynamics by augmenting torsional rigidity, improved agility, and enhanced feedback from the chassis.
THE BACKBONE
CARVE IT UP
CURVED PIVOT
CURVED PIVOT

Swingarm

A gravity die-cast swingarm has been specifically developed for the KTM 125 SMC R, and provides a sturdy and durable platform for the rear suspension system. Featuring a direct shock absorber mount offset to the side, it creates additional space for the unique exhaust system.
CURVED PIVOT
CARVE IT UP
SPRING INTO ACTION
SPRING INTO ACTION

Suspension

Upfront, a non-adjustable 43 mm WP APEX open cartridge fork with 230 mm travel keeps things in check, while a WP APEX Separate piston shock absorber also boasts 230 mm of travel, with preload adjustment possible.
SPRING INTO ACTION
CARVE IT UP
ROLLING THUNDER
ROLLING THUNDER

Wheels and Tires

The KTM 125 SMC R boasts 17" wheels at each end, wrapped in Michelin Power 6 rubber measuring 110/70 R17 on the front and 150/60 R17 on the rear.
ROLLING THUNDER
CARVE IT UP
STOPPING POWER
STOPPING POWER

Brakes

Pulling out all the stops, the KTM 125 SMC R is equipped with a 320 mm radial brake disk and Bybre caliper upfront, with a 240 mm brake disk and single-piston caliper at the rear. These are supported by KTM's proven ABS technology for added safety - but this can also be disabled completely for added "fun".
STOPPING POWER

Technical Details

Engine

  • Primary drive 1
  • Torque 11.5 Nm
  • Transmission 6-speed
  • Cooling Liquid cooled
  • Secondary gear ratio 1
  • Power 15 PS
  • Starter Electric starter
  • Stroke 47.3 mm
  • Bore 58 mm
  • Clutch PASC slipper clutch, mechanically operated
  • CO2 emissions 57 g/km
  • Compression ratio 12.6
  • Displacement 124.99 cm³
  • EMS Bosch EMS with RBW
  • Engine oil Motorex Formula 4T 15W/50
  • Design 1-cylinder, 4-stroke engine
  • Fuel consumption 2.4 l/100 km
  • Fuel-mixture generation Bosch EFI (throttle valve 33 mm)
  • Lubrication Wet sump

Chassis

  • Weight (without fuel) 145 kg
  • Tank capacity (approx.) 9 l
  • Wheelbase 1453 mm
  • Front brake disc diameter 320 mm
  • Rear brake disc diameter 240 mm
  • Front brake Floating disk, Bybre radial calipers with 2 pistons
  • Rear brake ByBre, single-piston, floating caliper, brake disc
  • Chain 520 X-Ring
  • Frame design Steel split trellis frame, powder coated
  • Front suspension WP APEX 43
  • Ground clearance 270 mm
  • Handlebar Aluminum
  • Rear suspension WP APEX Split Piston
  • Seat height 860 mm
  • Seat height 860 mm
  • Steering head angle 63.1 °
  • Rear subframe design Steel trellis frame, powder coated
  • Suspension travel (front) 230 mm
  • Suspension travel (rear) 230 mm
  • Trail 111 mm
  • Tyre dimensions (front/rear) 110/70; 150/60
  • Wheels 2 x 17"; 4 x 17"
  • Wheels Cast aluminium wheels
  • Front wheel diameter 17 "
  • Rear wheel diameter 17 "
  • Front wheel width 2 "
  • Rear wheel width 4 "