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KTM 790 Duke: a naked bike with a twin-cylinder engine, generations and what to check
KTM 790 Duke — a middleweight naked bike with a twin-cylinder engine, launched in 2018. We look at the generations, trims and what to check when buying used.
790 Duke in brief
The KTM 790 Duke debuted in 2018 as a lightweight and aggressive naked bike. It's renowned for its lively engine, easy handling and distinctive KTM style.
Thanks to its power and dynamics, the model is popular among experienced riders. There's also an A2-restricted version.
Generations — what's the difference
The first generation (2018–2020) features a 799 cm³ twin-cylinder engine and around 105 hp. It boasts high-end equipment and electronic aids.
Later, KTM introduced the 890 Duke, and in 2023 the 790 Duke returned refreshed — with slightly less power (around 95 hp) and different equipment. This means there are two distinct generations in the used market.
Engine and transmission
The engine is a 799 cm³ twin-cylinder, liquid-cooled; power is around 105 hp in earlier versions and around 95 hp in newer ones. The A2 version is restricted to 35 kW.
The transmission is a 6-speed manual, often with quickshifter; drive to the rear wheel is via chain. Most bikes come with ABS and a wide range of electronic aids.
What to check when buying a used 790 Duke
Check the chain, sprockets, brakes and tyres. As the bike is lively, look for signs of drops on the crash bars, mirrors and footpegs.
Start the cold engine without assistance and listen for any unusual noises. Check the suspension, cooling system, and electronic faults.
Request the service history and check if the manufacturer-recommended work has been carried out (including recall campaigns).
Trim levels
Names and equipment vary by market and year; we list the versions most commonly found in Europe.
790 Duke
2018–2020First generation with a 799 cm³ engine.
- Around 105 hp
- Often comes with ABS and traction control
- Multi-mode driving
790 Duke (nauja)
From 2023Updated version.
- Around 95 hp
- Refreshed styling
- Modern electronics
790 Duke A2
2018+Limited to category A2.
- Around 35 kW power limit
- The same bike
- The restriction can often be removed according to the rules
790 Duke versions compared
| 790 Duke | Nauja | A2 | |
|---|---|---|---|
| Who it's for | For active riding | For those wanting a newer version | For A2 category riders |
| Engine | 799 cc, around 105 hp | 799 cc, around 95 hp | 799 cc, around 35 kW |
| Price in the used market (relatively) | €€ | €€€ | €€ |
Many buyers opt for the first-generation 790 Duke for its power and price. The newer version is worth considering if you value modern features.
Pros
- Lively and agile
- Lots of electronic rider aids
- Striking design
- There's an A2 version
Cons
- No windscreen
- The standard suspension isn't ideal for long journeys
- Servicing might be pricier than Japanese models
Frequently asked questions
Is the 790 Duke suitable for beginners?
Often not, as it's lively and quick to respond. The A2 version might be suitable, but caution is needed.
How does the 790 Duke differ from the 890 Duke?
The 890 Duke has a larger engine and more power, while the 790 Duke is lighter and more balanced.
Is the 790 Duke suitable for touring?
It's fine for short trips, but there's no windscreen. For longer journeys, consider a touring model.
Updated 2026-10-21 · Trim levels and equipment vary by market and model year — check the equipment of the specific car. · Translated automatically
