Back to Bike FinderYears: 2024 · 2023 · 2021 · 2020 · 2019 · 2018 · 2017 · 2016 · 2015 · 2014 · 2013 · 2012 · 2011
KTM 125 Duke
2021Naked

KTM 125 Duke

Key specifications

Engine
125 cc
Power
15 HP
Torque
12 Nm
Weight
139 kg
Fuel type
petrol
Fuel capacity
3.5 L
Transmission
6-speed
Seat height
33 mm
Front brakes
Single disc. ABS. Four-piston radial fixed calliper
Rear brakes
Single disc. ABS. Single-piston floating calliper

Overview

Introducing the 2021 KTM 125 Duke, a motorcycle that perfectly encapsulates the spirit of urban riding with its bold design and energetic performance. As a key player in the naked bike category, the 125 Duke stands out for its combination of lightweight agility and powerful styling, making it an ideal choice for both new riders and seasoned enthusiasts seeking an agile commuter. With its eye-catching black and orange color scheme and aggressive stance, this bike is not just built to ride—it’s built to turn heads. At the heart of the 125 Duke is a nimble single-cylinder, four-stroke engine that boasts a displacement of 125cc, generating a spirited 15 HP and 12 Nm of torque. This power is harnessed through a slick 6-speed gearbox, allowing riders to experience seamless acceleration and responsive handling. The liquid-cooled engine is designed for efficiency, achieving an impressive fuel consumption of just 2.42 litres per 100 km, which translates to a staggering 97.20 mpg. Whether navigating through city traffic or carving through twisty backroads, the 125 Duke offers a thrilling ride that’s as rewarding as it is fun. The 2021 KTM 125 Duke is packed with advanced features that enhance its performance and rider experience. Its robust steel trellis frame provides exceptional stability and strength while keeping the overall weight down to a mere 139 kg. The WP Apex suspension system—featuring a 43 mm front fork and a monoshock rear—delivers superb handling and comfort over various terrains. Additionally, both front and rear brakes are equipped with ABS for added safety, ensuring confident stops in any conditions. With a seat height of 830 mm, it strikes a balance between accessibility and sportiness, making it suitable for riders of varying statures. **

Pros

  • Lightweight and Agile: At just 139 kg, the 125 Duke is incredibly easy to handle, perfect for city commuting and navigating tight corners.
  • Fuel Efficient: With a remarkable fuel consumption rate, this bike allows for extended rides without frequent stops at the pump.
  • Advanced Features: The inclusion of ABS and a sophisticated suspension system enhances safety and ride quality, catering to both novice and experienced riders.

Cons

  • Limited Power for High Speeds: While the bike excels in urban settings, it may feel underpowered for highway riding or long-distance travel.
  • Minimal Wind Protection: The naked bike design offers little in the way of wind protection, which can lead to fatigue on longer rides.
  • Narrow Seat Comfort: The seat, while stylish, may not provide the comfort needed for prolonged travels, especially for larger riders.

Technical details

Source specification data

Make
KTM
Model
125 Duke
Category
Naked bike
Starter
Electric
Color Options
Black/Orange
Power
15.0 HP (10.9 kW))
Clutch
Wet multi-disc clutch, mechanically actuated
Torque
12.0 Nm (1.2 kgf-m or 8.9 ft.lbs)
Gearbox
6-speed
Ignition
Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan
Driveline
O Ring
.
Primary
drive: 22:72.
Fuel System
Injection
Bore X Stroke
58.0 x 47.2 mm (2.3 x 1.9 inches)
Displacement
125.0 ccm (7.63 cubic inches)
Cooling System
Liquid
Engine Details
Single cylinder, four-stroke
Fuel Consumption
2.42 litres/100 km (41.3 km/l or 97.20 mpg)
Greenhouse Gases
O2
g/km. (
O2
-
Carbon
dioxide emission)
Lubrication System
Wet sump
Transmission Type Final Drive
Chain
Dry Weight
139.0 kg (306.4 pounds)
Seat Height
830 mm (32.7 inches) If adjustable, lowest setting.
Fuel Capacity
13.40 litres (3.54 gallons)
Ground Clearance
175 mm (6.9 inches)
Power Weight Ratio
0.1079 HP/kg
Rake
25.0°
Rear Tyre
150-17
Frame Type
Steel trellis frame, powder coated
Front Tyre
110-17
Rear Brakes
Single
disc.
S
.
Single
-piston floating calliper
Front Brakes
Single
disc.
S
.
Four
-piston radial fixed calliper
Rear Suspension
WP APEX Monoshock
Front Suspension
WP Apex Ø 43 mm
Rear Wheel Travel
150 mm (5.9 inches)
Front Wheel Travel
142 mm (5.6 inches)

Available colors

Black/Orange