The 2021 KTM 390 Duke: A Punchy Little Naked Street Beast

The 2021 KTM 390 Duke is branded by the Austria-based company itself as the ultimate naked corner rocket. Designed with the tight streets and crowded squares of many a European city in mind, it is no wonder that KTM themselves have positioned the bike at the top of the A2 license regulations in the UK and many EU nations.

Powered by a 373cc liquid cooled, 4 stroke, 4 valve single, the little bike punches hard with 44 HP and 27.5 lb-ft of torque. Coupled to a bike that weighs just a hair under 390 lbs wet, almost supermoto levels of power-to-weight are achieved. This means the 390 Duke is extremely flickable, and will happily carve any corner you stick its nose into.

In true KTM fashion, the 390 Duke does also have some motorsport and sportbike DNA in it, with its cousin being the KTM RC390 from 2020. WP Apex suspension, ByBre brakes, Bosch ABS, and a full color, easy to read TFT screen are just a few bits of technology shared between the models, and are tuned to each bikes’ specific intention.

The 2021 KTM 390 Duke starts at $5,599 USD / $6,099 CAD.

On this page: we’ve curated specs, features, news, photos/videos, etc. so you can read up on the new 2021 KTM 390 Duke in one place.

2021 KTM 390 Duke


Model Overview

General Info

  • Price: $5,599 USD / $6,099 CAD
  • Key Features:
    • Dual-zone Bosch ABS with “supermoto” mode
    • LED lighting
    • Full color TFT display

Main Specs

  • Engine Type: 373cc liquid cooled, 4 stroke, 4 valve single
  • Horsepower: 44 HP
  • Torque: 27.5 lb-ft
  • Wet Weight: Approx 390 lbs (Approx 177 kg)
  • Seat Height: Not provided by manufacturer

2021 KTM 390 Duke


2021 KTM 390 Duke Specifications

From KTM

ENGINE

Engine 373cc liquid cooled, 4 stroke, 4 valve single
Power 44 Horsepower
Bore x Stroke 89 mm x 60 mm
EMS Bosch EMS with RBW
Power in KW 32 kW
Starter Electric
Lubrication Wet sump

DRIVETRAIN

Clutch Wet multi-disc clutch, hydraulically actuated
Transmission 6-Speed
Chain 520 X-Ring

CHASSIS

Suspension Front WP APEX 43
Suspension Rear WP APEX – Monoshock
Brakes Front 320 mm
Brakes Rear 230 mm
Tires Front
Tires Rear
ABS Bosch 9.1MP Two Channel ABS (Supermoto ABS)
Color Black, Orange

ELECTRICAL

Ignition
Spark Plugs
Headlight LED
Tail Light LED

DIMENSIONS

Overall Length
Overall Width
Overall Height
Wheelbase
Ground Clearance
Seat Height
Wet Weight Approx 390 lbs (Approx 177 kg)

WARRANTY

Warranty
Extension

2021 KTM 390 Duke


2021 KTM 390 Duke Features


2021 KTM 390 Duke Photos


2021 KTM 390 Duke Videos

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