Skip to Content

MotoRevDiscover

Sign In Get the App

Back

2020 Ducati Monster 821 Specs, Recalls and Maintenance

NakedModel Years 2015 to 2020

3Riders

3Bikes

2Recalls

Add This Bike to Your Garage See Who Rides One

More

I Ride One Get the App All Monster 821 Builds All Ducati Models

Specs

Engine

Displacement: 821 cc
Cylinders: 2
Engine: Liquid-cooled Testastretta 11 L-twin
Power: 109 hp
Torque: 86 Nm
Transmission: 6-speed
Final Drive: Chain

Chassis

Wet Weight: 206 kg
Seat Height: 785 mm
Fuel Capacity: 16.5 L
Wheelbase: 1480 mm
Front Suspension: 43mm inverted fork
Rear Suspension: Sachs single shock
Front Brake: Dual 320mm discs, Brembo M4.32
Rear Brake: Single 245mm disc
Front Tire: 120/70-17
Rear Tire: 180/60-17

Factory figures (manufacturer published).

Recalls

Service Brakes, Hydraulic: Foundation Components: Hoses, Lines/piping, And Fittings21V335000 · 2021-05-11

Summary
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.

NHTSA Details
Service Brakes, Hydraulic21V315000 · 2021-05-04

Summary
Ducati North America (Ducati) is recalling certain 2017-2020 Monster 797, Monster 1200, Supersport, 2016-2020 XDiavel, and 2018-2020 Monster 821 motorcycles. Air may permeate the rear brake system.

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

Remedy
Dealers will install new rear brake hoses, free of charge. Owner notification letters were mailed on June 28, 2021. Owners may contact Ducati customer service at 1-888-391-5446.

NHTSA Details

Recalls in Other Years

2019 3 2018 3 2017 2 2016 1 2015 1

Maintenance

Oil Capacity: 3.4 L
Oil Grade: 15W-50
Chain: 525, 108 links
Valve Check: 18,000 mi
Spark Plug: NGK MAR9A-J
Front Tire Pressure: 36 psi
Rear Tire Pressure: 36 psi

Riders' Bikes 3

Monster 821

2020 Ducati Monster 821

Monster 821

2019 Ducati Monster 821

@greenvilleswitchback

Little Red

2019 Ducati Monster 821

Recent Posts

@ghayes riding 2020 Ducati Monster 8215d

Open Post Report Post

New angle, same bike. Still obsessed 🤤🤤

@ghayes riding 2020 Ducati Monster 8211w

Open Post Report Post

clean bike, dirty bike, either way i love it

@ghayes riding 2020 Ducati Monster 8212w Tallgrass Prairie National Preserve

Open Post Report Post

finally made it out to tallgrass prairie national preserve ive been meaning to ride there all fall worth every mile.

2020 Ducati Monster 821View Bike

@tbrennan80 riding Little Red2w Lone Star Motorcycle Museum

Open Post Report Post

sunday ride to lone star motorcycle museum, kept a relaxed pace and stopped at every pullout, thats the whole point some days 🏍️

Map of the ride

RideAbilene, TX to Lone Star Motorcycle Museum

215 miDistance

4h 54mDuration

View Ride

@tbrennan80 riding Little RedOct 2 Luckenbach Texas

Open Post Report Post

wind was rough on the way to luckenbach texas but the ride home was glass monster 821 handled it fine

Map of the ride

RideAbilene, TX to Luckenbach Texas

189 miDistance

4h 31mDuration

View Ride

@greenvilleswitchback riding 2019 Ducati Monster 821Sep 15

Open Post Report Post

New brake pads on the Monster 821. Easy job, maybe forty five minutes with a beer break.

2019 Ducati Monster 821View Bike