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ID # 37646457

2025 KTM 250 Duke

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Overview

THE THRILL CHASER

The KTM 250 DUKE flaunts with, a 250 cc powerplant - this machine is 250% DUKE! Built with the same NAKED ethos as its bigger brethren, the 2025 KTM 250 DUKE boasts a muscled-up attitude, excellent suspension package, LED lights, riding tech, and street-ripping, turn-gripping aggression.

Specifications

Model

Duke

Category Name

Motorcycles

Year

2025

Manufacturer

KTM

EMS

Keihin EMS with RBW and cruise control, double ignition

BORE

110 mm

CHAIN

525 X-Ring

CLUTCH

PASC (TM) slipper clutch, hydraulically actuated

DESIGN

2-cylinder, 4-stroke, V 75°

STROKE

71 mm

COOLING

Liquid cooled with water/oil heat exchanger

STARTER

Electric starter

LUBRICATION

Forced oil lubrication with 3 oil pumps

POWER IN KW

140 kW

DISPLACEMENT

1350 cm³

Frame Design

Chrome-moly tubular space frame, powder-coated

TRANSMISSION

6-speed

Rear Brake Disc Diameter

240 mm

FRONT BRAKE DISC DIAMETER

320 mm

SUSPENSION TRAVEL (FRONT)

125 mm

clutch in, revs up

TFT Display & Connectivity

Everything you need at a glance. The KTM 250 DUKE features a 5" LCD dashboard. This is paired switch cubes that have 4-way menu switches that allow easy interaction with all vehicle functions - even smartphone connectivity. Speaking of which, All new generation DUKE models are equipped with connectivity functions, allowing pilots to play music, take incoming calls, and get to where they are going with Turn-by-Turn navigation.

Bodywork

Embracing its NAKED lineage, the KTM 250 DUKE has no shame in bearing it all. Casting an ever-impressive shadow, bristling with shark-like edges and visible air intakes, and painted headlight surround, the KTM 250 DUKE boasts an aggressive stance. A metal fuel tank, color-injected plastics, and LED lights complete the package.

Graphics

Premium looks come as standard on the KTM 250 DUKE. A high-quality, multi-layered, wet-painted finish in either all-new Electric Orange or Ceramic White with vibrant graphics perfectly set off the unique DUKE textured seat cover. Make no mistake, this is 100% DUKE with 110% street-cred.

launch

Engine

Boasting the latest generation in LC4c engines, the KTM 250 DUKE muscles up with more power, smoother acceleration, and lighter overall weight than before. Drawing from years of experience in the small engine game, the KTM 250 DUKE now also features an improved gearbox, and an optimized cylinder head. Oh, and did we mention it is also READY TO RACE?

LED Lighting

Tearing a deep gash into the night, all KTM DUKE models come equipped with powerful LED lights in the front and at the rear. Not only do these work when the world becomes dark, but they also provide improved visibility when navigating busy traffic or misty road conditions.

style and function

Ergonomics

Thanks to a long wheelbase, low seat height, and excellent frame geometry, the 2025 DUKE range boasts excellent cornering behavior, stability, and handling proficiency. This, along with an already sterling reputation as being a THE THRILL CHASER and an aggressive seating position, means the KTM 250 DUKE sets the standard when it comes to energetic NAKED machinery.

Seat

Excellent comfort for the rider and pillion, thanks to thick seat foam, a narrow profile, and racy ergonomics. Need for more seat height? The KTM 250 DUKE has a standard seat height of 31.4 in (800 mm), but can easy be increased to 32.2 in (820 mm) with the optional KTM PowerParts seat offering.

Footpegs

Lightweight forged aluminum footpeg hangers and grippy footpegs ensure riders have uninterrupted grip when banging through the gears, with high-end CNC-machined footpegs available from the KTM PowerParts catalog.

all-in agility

Frame

The design features a 2-piece construction composed of a steel trellis main frame with a pressure die-cast aluminum subframe. The rear shock absorber is mounted off-center to allow for the large airbox which allows for the lower seat height and, at the same time, adding to the DUKE's aggressive stance. Not only designed for looks, the primary objective of the frame design is to enhance vehicle dynamics by augmenting torsional rigidity, nimble agility, and enhanced feedback from the chassis.

Swingarm

A curved cast aluminum swingarm provides a sturdy and durable platform for the rear suspension system, featuring a direct shock absorber mount that is offset to the side, for that super-racy look. This also creates additional space for the new exhaust muffler, providing added attitude.

Fork

Upfront, a 43 mm WP APEX big piston fork with 150 mm travel keeps things in check, ensuring rock-solid performance on all street conditions.

Rear Shock

On the rear, you'll find an off-center WP APEX Emulsion shock absorber with 150 mm of travel and 60 mm of stroke. The rear shock is also preload adjustable.

Wheels and Tires

Reducing weight where it counts the most, the KTM DUKE range has made significant inroads at reducing unsprung mass thanks to a set of lightweight wheels, wrapped in radial tires. This not only improves the overall handling characteristics but also means quicker turn-in and less strain on working components like axels and bearings.

Brakes

On the front wheel, the KTM 250 DUKE boasts a 320 mm brake disc with brand-new four-piston radial calipers. The new design includes bigger disks to reduce the operating temperature with improvements in the resistance to fading and longer pad lifespan. On the rear wheel, a 240 mm brake disc is installed with a brand-new twin-piston caliper which carries the same benefits as the front wheel. Cornering ABS and SUPERMOTO ABS are also standard features.

engine technical details

EMS

Bosch EMS with RBW

Bore

72 mm

Power

31 PS

Design

1-cylinder, 4-stroke engine

Stroke

61.17 mm

Torque

25 Nm

Cooling

Liquid cooled

Starter

Electric starter

Engine Oil

Motorex Formula 4T 15W/50

Lubrication

Wet sump

Power In KW

23 kW

Displacement

249.07 cm³

Transmission

6-speed

CO2 Emissions

63 g/km

Battery Capacity

8 Ah

Compression Ratio

12.4

Fuel-mixture Generation

Bosch EFI (throttle valve 38 mm)

chassis technical details

Chain

525 X-Ring

Wheelbase

1357 mm

Rear Brake

Single-piston floating calliper

Seat Height

800 mm

Frame Design

Steel trellis frame, powder coated

Seat Height 2

800 mm

Front Suspension

WP APEX 43

Rear Wheel Diameter

4 "

Front Wheel Diameter

3 "

Rear Brake Disc Diameter

240 mm

Suspension Travel (rear)

150 mm

Front Brake Disc Diameter

320 mm

Suspension Travel (front)

150 mm

Tyre Dimensions (front/rear)

110/70; 150/60