2021 Ktm 790 Adventure R: Reliability Data

Source: NHTSA — 34 complaints
34
Total Complaints
ENGINE
Top Issue
1
Crash Reports

What Fails?

Most reported component issues from NHTSA complaints.

ENGINE
11
FUEL/PROPULSION SYSTEM
8
EXTERIOR LIGHTING
4
SERVICE BRAKES
4
UNKNOWN OR OTHER
3
POWER TRAIN
2
ELECTRICAL SYSTEM
1
TIRES:BEAD
1

Severity Assessment

1
Crashes
0
Fires
0
Injuries
0
Deaths

Sample Complaint Reports

"The brake lights were not illuminated intermittently and ABS was not engaging intermittently"
"The brake lights were not illuminated intermittently and ABS was not engaging intermittently"
"Starting immediately after the mandatory 600 mile service check by an authorized KTM dealer, this vehicle started experiencing prolonged cold start failures. It went from starting 100% of the time after three or less start attempts to requiring approximately ten failed start attempts before starting..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

When Were Complaints Filed?

Number of complaints by the year the issue occurred.

Where Are Complaints Coming From?

Top states by complaint count.

CO: 8 NY: 6 CA: 5 OR: 3 AL: 2 GA: 2 SC: 2 TN: 2 PR: 2 PA: 1

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28