The 2026 KTM 390 Duke is listed by KTM with a 398.7 cm³ single-cylinder engine producing 45 PS and 39 Nm, paired with a six-speed gearbox. KTM’s US page gives a base MSRP of $5,499 plus $600 freight; the price varies by market and does not establish an out-the-door cost. KTM’s official gallery shows the bike in black and blue.
2026 KTM 390 Duke specifications
The figures below are manufacturer specifications, not independent test results. KTM UK’s 2026 listing identifies the following core engine and chassis details:
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| Specification | KTM UK figure |
|---|---|
| Engine | Single-cylinder, four-stroke |
| Displacement | 398.7 cm³ |
| Maximum power | 45 PS |
| Maximum torque | 39 Nm |
| Transmission | Six-speed |
| CO₂ emissions | 79 g/km |
| Weight | 165 kg fully fueled |
| Seat height | 820/800 mm |
| Suspension travel | 150 mm front and rear |
| Front brake | 320 mm disc with four-piston radial fixed caliper |
For the UK listing, the front suspension is WP APEX 43 with compression and rebound adjustment. The rear offers rebound and preload adjustment. KTM’s US product page describes the engine as 399 cc and says it delivers more power, smoother acceleration and lower overall weight than the previous generation; that is KTM’s comparison, not a result from independent comparative testing. KTM UK technical specifications
How much does the 2026 KTM 390 Duke cost?
There is no single global price. KTM’s listed amounts differ by market, currency and price treatment:
#1 Best Overall
- Complete Kit x1
- Ready to Race
- Genuine KTM Original SpareParts
- The kit provides all necessities for a routine oil change; includes the perfect amount of Cross Power 4T 15W/50 accompanied by an Original SpareParts oil filter. Everything needed to keep your bike READY TO RACE.
- KIT INCLUDES: 1.7 liter of Motorex Formula 4T 15W/50 semi-synthetic oil (U6923151)
| Market | Published amount | What it means |
|---|---|---|
| United States | $5,499 base MSRP plus $600 freight | KTM US manufacturer quote. Taxes, dealer fees and other charges can affect the final purchase price. |
| Japan | ¥829,000 including 10% consumption tax | KTM Japan announced a planned July 2026 release. Its announcement says the principal specifications quoted are EU-specification values and may differ for Japan. |
| Spain | €5,499 offer price alongside €6,099 | A market-specific offer displayed on KTM Spain’s product-page search result at the time of the source; it is not a guaranteed current promotion or general European price. |
Check with a local KTM dealer for availability and the full amount payable. The US base MSRP and freight do not by themselves include every possible tax or dealer charge. KTM US 2026 390 Duke page · KTM Japan announcement
Equipment and adjustability
KTM’s US page describes a 5-inch bonded-glass TFT display, smartphone connectivity functions, LED lighting and adjustable suspension. Features and equipment can vary by market, so confirm the specification of the motorcycle being sold locally rather than assuming every regional version is identical.
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- 390 DUKE 2014- 2021, 390 RC 2014-2021
- INCLUDES PART # 90238016044 - STRAINER EVACUATION ASSEMBLY 90238015033 - MESH STRAINER ASSEMBLY 90138015050 - STRAINER CAP WITH O RING 90138015000
- BRAND NEW OIL FILTER SERVICE KIT INCLUDES EVERYTHING IN THE PICTURE!
The same page lists PowerParts including a smartphone universal case, crash bars, transport cover, rear bag, tire-pressure gauge, heated grips, torque wrench and tool bag. These are listed accessories, not confirmation that they come as standard; check model-year fitment and local availability before buying.
What does the 2026 KTM 390 Duke look like?
KTM’s official US gallery presents 2026 390 Duke images in black and blue, with side profiles and front- and rear-three-quarter angles. View the official KTM 390 Duke gallery. Credit KTM and follow the publisher’s image-use rules if reproducing its photographs.
Rank #3
- Compatible with: This Motorcycle Cover Custom-fits for KTM Duke 125/200/390/790/890. The cover size is 79''(L)x 33''(W) x 50''(H). Fully protects your Motorcycle like a mobile garage
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What the published figures do—and do not—tell you
The manufacturer pages establish KTM’s stated specifications, regional prices, described equipment and official imagery. They do not establish real-world fuel economy, instrumented acceleration, long-term reliability, dealer inventory or independent ride impressions. Treat the power, torque, weight and emissions numbers as manufacturer-listed figures rather than independently measured results.
Quick Recap
Best Value
- Fitment: The side mirror compatible with KTM Duke 200 390 790 all year,OEM style side mirrors, These mirrors feature opposite-hand threads, some motorcycle models use only right-hand threads on both sides, so these mirrors may not be compatible. Please check your bike’s mirror thread type before purchase
- Left-Hand and Right-Hand Threads: These mirrors feature opposite-hand threads — the left mirror uses a left-hand thread (tighten counterclockwise), and the right mirror uses a right-hand thread (tighten clockwise)
- Precision Positioning & Wide View: 360-degree adjustable mirror head allows for precise aiming both up/down left/right,helping you achieve the optimal viewing angle
- Brand New Black Mirror Set: Includes left and right mirrors constructed with durable ABS plastic for crystal-clear visibility and shatter-resistant performance
- Aftermarket Parts: Appearance & size are nearly identical to the original factory mirrors.
Rank #4
- Hail Protection Motorcycle Cover For KTM 390 Duke Secure & Practical Design:The front wheel position increased 4cm anti-theft lock hole. The bottom of scooter covers completely around 2 cm high double-stitched elastic hem. The rear wheel position is provided with a windbreak buckle, which help lock your motor and to better fix
- Outdoor Storage Motorcycle Cover For KTM 390 Duke Premium Material:Motorcycle cover waterproof outdoor is made of premium 210D Oxford material+Cotton inside, which is water repellent, lightweight and super soft. protect motorcycle from dust, dirt, sun,hail , rain, UV and pollutants.
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- Motorcycle Hail Blanket For KTM 390 Duke Easy To Use:Motorcycle tarp with the elastic design, installation couldn’t be easier. Just toss it on, buckle it up, and you’re set. This package comes with a storage bag. You can organize the motorcycle cover with the storage bag and it will not occupy space and keeps the motorcycle cover clean.
- Custom Fit Motorcycle Cover For KTM 390 Duke CUSTOMIZABLE: Whether you park your car outdoors or in a garage, our waterproof motorcycle cover can provide reliable protection and can easily cope with the damage caused by different environments to the car. If your car has been modified, please send us the modified size and we will customize it for you.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
