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2018 Ducati Monster 821Problems, recalls & complaints

NHTSA has logged 3 owner complaints about the 2018 Ducati Monster 821, most often about the service brakes. It is covered by 3 safety recalls, and for recall 21V-315 the manufacturer reports only 57% of affected cars repaired.

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CarFlaw IndexNot enough dataHigher is better (0–100)
Safety recalls3Lowest repair rate 57%Owner complaints30 with a crash, fire or injuryTypical failure mileage1kService brakes, median miles

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through May 11, 2021. Updated daily.

Complaints by system

Where the 2018 Ducati Monster 821 has problems

3 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Service brakes20
Engine10
Fuel/propulsion system10

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

3 recalls

2018 Ducati Monster 821 recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

63%repaired · 2023 Q2

Foundation components: hoses, lines/piping, and fittings

Recall 21V-335 · May 11, 2021 · 1,312 vehicles · 821 repaired

Risk. Damaged brake hoses may cause the rear brakes to fail, increasing the risk of a crash.

Problem, fix and repair progress →

57%repaired · 2024 Q3

Service brakes, hydraulic

Recall 21V-315 · May 4, 2021 · 5,909 vehicles · 3,383 repaired

Risk. Air in the system may reduce effectiveness of the rear brakes, increasing the distance required to stop and the risk of a crash.

Problem, fix and repair progress →

81%repaired · 2020 Q4

Power train: manual transmission

Recall 18V-835 · Nov 27, 2018 · 2,742 vehicles · 2,230 repaired

Risk. If the shift knob detaches, the rider may not be able to shift gears, increasing the risk of a crash.

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Ducati.

Best & worst years

2018 vs. every other Monster 821 year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Monster 821 median. How we score

'15'16'17'18'19'20'21
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
1 investigation

NHTSA defect investigations

Federal investigations that included the 2018 Ducati Monster 821, and the recalls they led to.

  1. Extended Stopping DistancePE21003 · closed Jul 9, 2021
    Led to recall 21V-315
In owners' words

What Monster 821 owners report

Recent service brakes complaints filed with NHTSA, shortened. Personal details are removed.

TL* THE CONTACT OWNS A 2018 DUCATI MONSTER 821. THE CONTACT STATED THAT WHILE DRIVING AND ATTEMPTING TO SLOW DOWN AND THE REAR BRAKE MALFUNCTIONED. THE CONTACT USED THE FRONT BRAKE TO STOP THE MOTORCYCLE. THE MOTORCYCLE WAS TAKEN TO MONTEREY PENINSULA POWER SPORTS LOCATED AT (1020 AUTO CENTER PKWY,…
Complaint 11317213 · Mar 10, 2020 · 900 miles
ON 03/14/2019 WHILE RIDING THE MOTORCYCLE DURING THE DAY I EXPERIENCED A SUDDEN COMPLETE FAILURE OF THE REAR BRAKE SYSTEM WHILE NAVIGATING A TURN. I HAD BEEN ON THE BIKE FOR ABOUT AN HOUR WITH NO INDICATION ANYTHING WAS WRONG. IT WAS VERY SUDDEN AND ALMOST CAUSED ME TO LOSE CONTROL OF THE VEHICLE.…
Complaint 11186983 · Mar 15, 2019 · 1,800 miles

Own a 2018 Monster 821?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.