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2021 Harley-Davidson RH1250S Owner Complaints

Reports submitted to NHTSA by owners and drivers, shown in full

Data refreshed

Complaints on fileComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
3
Latest Apr 28, 2026
Crash or fire reportedComplaints whose submitter recorded that a crash or a fire occurred. These are the reporter's own answers on the NHTSA form, not verified findings.
0
Filed in the last 12 monthsReports filed with NHTSA in the trailing 365 days. Recent volume reflects attention and vehicle age as much as anything else.
2
Reports on file since May 20, 2025

What this page shows

Our database holds 3 NHTSA owner-reported complaints for the 2021 Harley-Davidson RH1250S. Each one is a report filed by an owner or driver and published by NHTSA without most of them being verified. A complaint is not a confirmed defect, not a recall and not a manufacturer bulletin. Narratives are shown exactly as filed.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Complaints, most recent first

Showing 1–3 of 3

Engine
Filed Apr 28, 2026

While riding the motorcycle, engine suddenly began making a loud clacking noise. Brought motorcycle in to Harley Davidson dealer and it was diagnosed that they cam chain tensior had become loose and was destroyed inside the engine causing small bits of metal to clog oil ports and damage the engine. The remedy was an engine replacement. Through deliberate research this appears to be an issue with the 2021-2023 model year Sportster S Harley-Davidson motorcycles and should be recalled to remedy the issue before engine failure due to manufacturing negligence.

NHTSA ID
11734248
Incident
Mar 30, 2026
Engine
Filed Dec 28, 2025

There is a known issue with he engines in these motorcycles where the bolt for the timing chain tensioner comes loose and causes excessive wear in the timing chain guid with causes the timing chain tensioner to come apart inside of the engine which will cause the engine to have to be replaced due to loose metal fragments in the engine. I went to my local dealer yesterday 12/27/2025 to talk to them about my issues and one of the mechanics pulled me back too look at a bike with the same issue and the engines was completely disassembled so they can fix it.

NHTSA ID
11707329
Incident
Dec 26, 2025
Body & structure
Filed May 20, 2025

The contact owns a 2021 Harley-Davidson RH1250S. The contact stated that the motorcycle was ridden 17-miles to work. The contact stated that after completing the workday and riding back to the residence, there was an abnormal whizzing sound coming from the motorcycle while riding on the Interstate. There were no warning lights illuminated. The contact stated that the bolts on the frame tube were damaged. The contact stated that another motorist motioned for him to stop. The contact pulled over and noticed that the hold assembly had detached from the motorcycle and was being dragged by the signal and brake lights. The bolts had sheared off. The local dealer was not contacted. The motorcycle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately 11,941.

NHTSA ID
11662144
Incident
May 19, 2025
Mileage
11,941 mi

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

Data sources

Data on this page last refreshed .