KTM 450 SMR - 2025 Specifications and Reviews

The 2025 KTM 450 SMR is a lightweight supermotard designed for agile riders seeking street-focused performance and playful handling. Its potent 449cc single-cylinder four-stroke engine delivers 63 horsepower with responsive Keihin fuel injection, making it ideal for urban environments and spirited canyon carving. Best known for razor-sharp maneuverability and approachable power delivery, this machine excels for experienced riders wanting genuine fun over raw speed.

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General information

Color OptionsOrange/black/red
CategorySuper motard
ModelKTM 450 SMR

Engine and Transmission Specifications

StartingElectric
Emission85.4 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel Consumption3.68 litres/100 km (27.2 km/l or 63.92 mpg)
ClutchSuter slipper clutch, Brembo hydraulics
Final DriveChain (final drive)
Gearbox5-speed
Cooling SystemLiquid
IgnitionKeihin EMS
Fuel ControlSingle Overhead Cams (SOHC)
InductionInjection. Keihin EFI, throttle body 44 mm
Bore x Stroke95.0 x 63.4 mm (3.7 x 2.5 inches)
Compression Ratio13.0:1
Capacity:449.3 ccm (27.42 cubic inches)
 
 

Physical measures and capacities

Fuel Capacity7.20 litres (1.90 US gallons)
Wheelbase1472 mm (58.0 inches)
Ground Clearance281 mm (11.1 inches)
Seat Height898 mm (35.4 inches) If adjustable, lowest setting.
Power/Weight Ratio0.5790 HP/kg
Dry Weight108.8 kg (239.9 pounds)
 
 

KTM 450 SMR dimensions and frame

WheelsWire spoked. Metzler Racetec SM K1 Supermoto tires.
Rear BrakesSingle disc
Brake Disc Diameter220 mm (8.7 inches)
Front BrakesSingle disc
Rear Tyre165/55-17
Front Tyre125/75-16.5
Rear Wheel Travel266 mm (10.5 inches)
Rear SuspensionWP XACT Monoshock with linkage
Front Wheel Travel283 mm (11.1 inches)
Front SuspensionWP XACT-USD cloed cartridge, Ø 48 mm
FrameCentral double-cradle-type 25CrMo4 steel. Aluminum-reinforced polyamide subframe.

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Update specsReport missing specs or required updates.
CommentsTraction control. Launch control. Quick shifter. Selectable maps.
ElectricalLi-ion 2.0 Ah battery.
Rake (fork angle)26.1°
Driveline520, Non-sealed chain
Lubrication systemForced oil lubrication with 2 oil pumps
Max RPM11500
Power63.0 HP (46.0 kW))
Engine typeSingle cylinder, four-stroke
Year2025

Performance Profile & Rider Fit

Best For

Track92%
City25%
Cornering97%
Daily Riding15%
Touring8%
Passenger5%

Rider Profile

Best ForThis is a supermoto built for experienced riders who are already comfortable with a tall, light, single-cylinder machine that demands active input.
PurposeIt exists purely to carve up tight tarmac circuits and technical mixed-surface courses with razor-sharp direction changes, not to cover distance or haul gear.
Rider FitThe tall 898mm seat height, minimal weight at 109.3kg, and aggressive ergonomics reward a fit, confident rider who can move around the bike and manage a punchy single-cylinder power delivery.
CharacterExpect an explosive, visceral character with instant throttle response, flickable handling, and a chassis that thrives on aggressive lean angles and hard braking into corners.
Not Ideal ForThis bike is not for beginners, commuters, passengers, or anyone seeking comfort, wind protection, or long-distance touring capability.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 898mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with cannot reach comfortably on the 2025 KTM 450 SMR, with a relaxed knee angle of around 145 degrees and a forward-leaning riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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