2020 KTM 790 Adventure: common problems
The maker issued 6 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 6
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 0 | 0 | 3 |
| Equipment | 0 | 0 | 3 |
| Vehicle speed control | 0 | 0 | 3 |
| Engine | 0 | 0 | 2 |
| Service brakes | 0 | 0 | 1 |
Comparison
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Vehicle speed control. Accelerator pedal, cruise control, throttle codes.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- KTM will also retroactively examine warranty or goodwill applications if customers of affected models have…
KTM will also retroactively examine warranty or goodwill applications if customers of affected models have already had repairs carried out at their own expense by an authorized KTM dealer in the past due to damaged…
- Even though complaints have been reported about the camshafts on the 790 Duke/Adventure MY 2018- 2020…
Even though complaints have been reported about the camshafts on the 790 Duke/Adventure MY 2018- 2020 models, examinations of the allegedly defective camshafts have shown that a large proportion of these camshafts are…
- On affected motorcycles there is a possibility that the preload force of the return spring is too low and…
On affected motorcycles there is a possibility that the preload force of the return spring is too low and does not meet the specified tolerance. This could result in the brake piston not being returned to its original…
- KTM North America, Inc
has identified a technical problem using the XC_2 tool when attempting to purchase and install some of the Technical Accessories Software Extensions for the above-mentioned model motorcycles.
- For the 2019 and 2020 790 ADVENTURE and 790 ADVENTURE R models, KTM has enabled the ability to purchase…
For the 2019 and 2020 790 ADVENTURE and 790 ADVENTURE R models, KTM has enabled the ability to purchase and install the Quickshifter+ technical accessory software extension again using only the XC_2 diagnostic tool. On…
Other years of this model
Questions and answers
What are the most common problems with the 2020 KTM 790 Adventure?
There are no owner complaints in the NHTSA data for this year; the data comes from 6 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2020 KTM 790 Adventure?
NHTSA lists 6 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2020 KTM 790 Adventure from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2020 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.