2021 KTM 790 Adventure R
Only 22 complaints on file — too few for a fair verdict.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
Only 22 complaints on file — too few for a fair verdict. The data below is complete but unranked.
COMPLAINTS PER YEAR
View as data table
| Year | Complaints |
|---|---|
| 2019 | 8 |
| 2020 | 6 |
| 2021 | 22 |
| 2022 | 8 |
| 2023 | 5 |
KNOWN PROBLEM AREAS
Only 22 complaints on file for this model year -- too few to rank by share. Raw counts only, below.
11 of 22 total reports mention: engine.
CRASHShow complaint excerpts
Stalled dozens of times and sudden loss of power when cold
NHTSA ODI report, 20211028
I have checked the cam shafts condition at only 3900 miles since there are a lot of people with the same motorcycle mentioning this issue and there is an unsuspected wear starting to happen.
NHTSA ODI report, 20240404
8 of 22 total reports mention: fuel/propulsion system.
5 of 22 total reports mention: service brakes.
Show complaint excerpts
Brake light no longer activates upon applying normal pressure to front brake lever. Brake light activation requires greater than normal front brake lever pressure/input in order to activate the light.
NHTSA ODI report, 20240905
The brake lights were not illuminated intermittently and ABS was not engaging intermittently
NHTSA ODI report, 20210907
4 of 22 total reports mention: exterior lighting.
Show complaint excerpts
Brake light no longer activates upon applying normal pressure to front brake lever. Brake light activation requires greater than normal front brake lever pressure/input in order to activate the light.
NHTSA ODI report, 20240905
The brake lights were not illuminated intermittently and ABS was not engaging intermittently
NHTSA ODI report, 20210907
2 of 22 total reports mention: power train.
SAFETY TIMELINE
No recalls on file for this model year.
BUY-SMART CHECKLIST
2021 KTM 790 Adventure R — pre-purchase inspection
- Test/inspect for engine issues (11 reports on file for this year).
- Test/inspect for fuel/propulsion system issues (8 reports on file for this year).
- Test/inspect for service brakes issues (5 reports on file for this year).
FAQ
Is the 2021 KTM 790 Adventure R reliable?
There isn't enough NHTSA complaint data on file yet to give this model year a verdict.
What are the most common problems with the 2021 KTM 790 Adventure R?
The most-reported component is engine, accounting for 50% of complaints on file.
How many recalls does the 2021 KTM 790 Adventure R have?
No recalls are on file for this model year.
Data updated 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.