The contact owns a 2015 Ducati Monster 821. The contact stated that while riding at a moderate rate of speed, the rear brakes failed as the motorcycle began to roll backward. The contact notified the dealer of the failure and expressed his concern about the dangers of a possible failure. The vehicle was towed to the dealer. The brake lines were bled, and the motorcycle was repaired. Upon speaking with the dealer, he was informed that they were aware of the potential failure with the brakes however, no action was taken. The contact felt unsafe owning the motorcycle. The motorcycle was sold. Recently, the contact received notification of the federal safety agency campaign number: 21V335000 (Service Brakes, Hydraulic). The contact notified the manufacturer and expressed outrage that similar motorcycles were still in operation despite the known failure. The motorcycle was repaired. The failure mileage was approximately 1,500.
The worst 2015 Ducati Monster 821 problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Brakes1
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Brakes1
Recalls 1
Service brakes, hydraulic: foundation components: hoses, lines/piping, and fittings
- What is wrong
- Ducati North America (Ducati) is recalling certain 2015-2021 Monster 821, 2014-2021 Monster 1200 S/STD, and 2016-2019 Monster 1200 R motorcycles. The rear brake hoses may be susceptible to heat damage.
- Risk
- Damaged brake hoses may cause the rear brakes to fail, increasing the risk of a crash.
- Remedy
- Dealers will replace the rear brake hoses, free of charge. Owner notification letters were mailed on July 12, 2021. Owners may contact Ducati customer service at 1‑888‑391‑5446.
Recall number 21V335000 · Recall details
Technical service bulletins for the 2015 Ducati Monster 821 20
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Procedure for Assessing Front Fork Oil Leaks
- Rear Brake System Update Summary
- Rear Brake System Update Summary
- Guided Diagnosis for Front Brake System Bleeding
- Finial Drive Chain Maintenance Precautions
- Procedure for Analysis and Control of Oil and Coolant Leaks from Engine_Rev.01. Applicability: All Models
- Precautions to Follow During Crankcase Cleaning
- Tips and Tricks Revision 7 Summary
- Procedure for Analysis and Control of Oil and Coolant Leaks from Engine
- Overview of Rear Brake System Updates (USA). Applicability: All Models
What 2015 Ducati Monster 821 owners say
Most recent owner complaints, unedited.
Compare the 2015 Ducati Monster 821
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Questions about the 2015 Ducati Monster 821
Is the 2015 Ducati Monster 821 reliable?
Owners have filed 1 complaint about the 2015 Ducati Monster 821, close to a typical Monster 821 model year.
What is the most common problem with the 2015 Ducati Monster 821?
Brakes, with 1 complaint.
How many recalls does the 2015 Ducati Monster 821 have?
1 recall, covering service brakes, hydraulic.
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