KTM 300 EXC - 2025 Specifications and Reviews

The 2025 KTM 300 EXC is a lightweight two-stroke enduro bike designed for trail riders and off-road enthusiasts seeking responsive performance and nimble handling. Powered by a 293cc liquid-cooled single-cylinder engine with modern Keihin EFI injection, it delivers punchy power delivery ideal for technical terrain and cross-country riding. Known for its exceptional fuel efficiency and proven reliability, this machine excels in demanding enduro competitions and challenging backcountry adventures.

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General information

Color OptionsOrange/black/white
CategoryEnduro / offroad
ModelKTM 300 EXC

Engine and Transmission Specifications

StartingElectric
Emission64.7 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel Consumption2.79 litres/100 km (35.8 km/l or 84.31 mpg)
ClutchWet, DDS multi-disc clutch, Brembo hydraulics
Final DriveChain (final drive)
Gearbox6-speed
Cooling SystemLiquid
IgnitionVitesco Technologies EMS
Fuel ControlSingle Overhead Cams (SOHC)
InductionInjection. Keihin EFI, throttle body 39 mm
Bore x Stroke72.0 x 72.0 mm (2.8 x 2.8 inches)
Engine TypeSingle cylinder, two-stroke
Capacity:293.2 ccm (17.89 cubic inches)
 
 

Physical measures and capacities

Fuel Capacity9.00 litres (2.38 US gallons)
Wheelbase1489 mm (58.6 inches)
Ground Clearance347 mm (13.7 inches)
Seat Height963 mm (37.9 inches) If adjustable, lowest setting.
Dry Weight104.6 kg (230.6 pounds)

KTM 300 EXC dimensions and frame

WheelsWire spoked
Rear BrakesSingle disc. Brembo single-piston floating calliper, brake disc
Brake Disc Diameter220 mm (8.7 inches)
Front BrakesSingle disc. Brembo twin-piston floating calliper, brake disc
Rear Tyre140/80-18
Front Tyre90/90-21
Rear Wheel Travel310 mm (12.2 inches)
Rear SuspensionWP XPLOR shock absorber with PDS
Front Wheel Travel300 mm (11.8 inches)
Front SuspensionWP XACT-USD, 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.
Electrical2 Ah lithium-ion battery
Rake (fork angle)26.1°
Exhaust systemAluminum
Driveline520 X-ring chain
Year of manufacture2025

Performance Profile & Rider Fit

Best For

Track25%
City15%
Cornering60%
Daily Riding15%
Touring20%
Passenger5%

Rider Profile

Best ForThis bike rewards experienced off-road riders and suits intermediate riders looking to progress, as its light two-stroke power delivery and tall seat height demand real skill to control.
PurposeBuilt purely for serious enduro and trail riding, it excels at technical single-track, tight woods sections, and demanding terrain rather than any road-going use.
Rider FitThe very low dry weight and slim chassis make it easy to muscle over obstacles, but the tall 963 mm seat height means shorter riders may struggle to plant their feet confidently.
CharacterIts two-stroke engine gives a light, punchy, and revvy character with an eager, playful feel that thrives when pushed hard and flicked through tight terrain.
Not Ideal ForThis is not the right bike for commuters, passengers, long-distance tourers, or anyone wanting a comfortable, low-maintenance road-focused ride.

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

Rider Fit Visualizer

2025 KTM 300 EXC Rider Ergonomics Assessment

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

Feet:

At 963mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2025 KTM 300 EXC, with a cramped knee angle of around 85 degrees and an upright 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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