NHTSA campaign 21V304000 · KTM campaign KTM2106
KTM Recall 21V-304: Weak Front Brake Return Spring May Reduce Braking
NHTSA recall 21V304000 (KTM campaign KTM2106) was reported by KTM North America, Inc. on April 30, 2021, with 3,707 vehicles potentially affected (per NHTSA). NHTSA's record lists the KTM 790 Adventure, KTM 790 Adventure R and KTM 790 Adventure R Rally for model years 2019–2020. Owners were notified on May 21, 2021, per NHTSA.
Updated daily from NHTSA's recall files
Is my vehicle included?
This page lists, by model year, the vehicles NHTSA's recall record names for campaign 21V304000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.
To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.
Free VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 21V304000 (also written 21V-304 or 21V304)
- Filed by
- KTM North America, Inc.
- KTM campaign number
- KTM2106
- Report received
- Potentially affected
- 3,707 vehicles (per NHTSA)
- Component
- Service Brakes, Hydraulic — Foundation Components — Master Cylinder
- Owners notified
Repair completion: 70.3% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)
NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.
Vehicles listed for this recall
NHTSA's recall record lists these vehicles for recall 21V304000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.
NHTSA's recall notice
As NHTSA's recall record states it for campaign 21V304000.
Defect description
KTM North America, Inc. (KTM) is recalling certain 2019-2020 KTM 790 Adventure and 790 Adventure R, and 2020 KTM 790 Adventure R Rally motorcycles. The front brake master cylinder piston return spring may be too weak to return the brake piston to its original position, reducing the functionality of the front brake.
Safety consequence
A front brake with reduced functionality may increase the distance required to stop as well as the risk of a crash or injury.
Manufacturer remedy
Dealers will replace the return spring, free of charge. Owner notification letters were mailed May 21, 2021. Owners may contact KTM customer service at 1-888-985-6090. KTM's number for this recall is KTM2106.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Sources
Official NHTSA notice for recall 21V304000
Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.