2019 KTM 790 Adventure R Engine Problems
- Complaints
- 2about this part
- Share
- 25%of 8 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the engine of the 2019 KTM 790 Adventure R, 25% of the 8 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“At only 9000 miles, intake camshaft and follower catastrophically damaged. Routine valve clearance check at 4th oil change (much more frequent than recommended). KTM ultimately provided the parts as “goodwill”, but refused to cover labour. Numerous other reports of similar failures being reported in group forums. Also note that clutch also failed catastrophically at 3k miles. Similar situation where KTM covered parts under “goodwill”, but not labour. Similarly: there have been hundreds of others sharing stories of same failure. …”
NHTSA complaint #11581180, filed 2024-04“Hello, I purchased this motorcycle new in July 2019. It currently has 9,100 miles. Since new it takes a minimum of 3-4 times to start and stay running at first start of the day. After that it starts easy and on the first try. Temperature at first start has been anywhere from upper 30's° to upper 70's°. Altitude from 500' - 4,500', basically starts the same in all instances. It seems as if it's only running on one cylinder and then chuffs and dies. Repeat, repeat, repeat. When it finally catches R.P.M. will rise up around 1,500ish R.P.M. and run smoothly. …”
NHTSA complaint #11445681, filed 2021-12Related service bulletins
- 11007582Sep 4, 2024KTM 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…
- 11004950Jul 8, 2024Even 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…
Engine: other model years
Other parts of the 2019 KTM 790 Adventure R
5 complaintsElectrical system
1 complaintsFuel system
1 complaintsSteering
1 complaintsSuspension
1 complaints
← All problems reported for the 2019 KTM 790 Adventure R
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology