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2014 Ducati Monster 821 Overview
The 2014 Ducati Monster 821 is a naked bike motorcycle built around 821 cc of displacement. Under the tank sits a Four stroke, Testastretta 11° L-Twin, 4 Desmodromically actuated valves per cylinder, engine, a compression ratio of 12.8:1. 2014 Ducati Monster 821 delivers 82.4 kW @ 9250 rpm of peak power and 89.4 Nm @ 7750 rpm of torque. From a practical standpoint, the 2014 Monster 821 tips the scales at 205.5kg, carries a 17.5-litre fuel tank, offers a seat height of 785 mm - 810 mm and spans a 1480 mm wheelbase. Scroll down for the complete 2014 Ducati Monster 821 spec sheet covering every technical detail from suspension travel to tyre sizes.
2014 Ducati Monster 821 compared with other bikes in the Naked bike category
Here is how the 2014 Ducati Monster 821 stacks up against other bikes in the Naked bike category in our database. Each model counts once, using the model year closest to this one, and the comparison covers up to 1318 models.
- Power-to-weight ratio of 401 W/kg is higher than that of 502 of the other 580 bikes in the Naked bike category.
- Only 175 of the other 1124 bikes in the Naked bike category have a higher power output than the 82.4 kW of the Monster 821.
- With 89.4 Nm, the Monster 821 has the joint 378th highest torque of 1318 bikes in the Naked bike category, 32% above the category average of 67.5 Nm.
- Narrowing the field to the 215 models within five model years of it, the power-to-weight ratio of 401 W/kg is higher than that of 171 of the other 214.
2014 Monster 821 - Pros & Cons
Strengths
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⚡
Strong power output: 2014 Ducati Monster 821 makes 82.4 kW @ 9250 rpm with 89.4 Nm @ 7750 rpm of torque - competitive figures for its class.
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🔧
Fuel injection: The fuel injectionsystem system delivers crisp throttle response and reliable cold starts regardless of altitude or temperature.
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Strong front braking: The disc front brake gives excellent stopping power and responds well to aftermarket braided lines.
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ABS fitted: Anti-lock braking is standard, adding a real margin of safety on wet roads or in an emergency stop.
Considerations
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Chain final drive upkeep: Chain final drive needs regular cleaning, lubrication and tension checks to get full life out of the sprockets.
Wear Points & Servicing Notes
Cooling system servicing
The Liquid cooled system on the Monster 821 needs a coolant change roughly every two years (or per the service schedule) - skipping it lets the coolant turn acidic and corrode the aluminium water passages over time.
Fuelling & injector care
Fuelling comes from fuel injectionsystem. Systems like this are largely maintenance-free beyond keeping fuel quality decent and injectors clear - a fuel-system cleaner every service interval is cheap insurance.
Brake disc and pad wear
The disc front brake gives strong, progressive stopping power. Disc thickness and pad depth are worth checking at every tyre change, since worn pads can score the disc surface.
Suspension condition on used examples
Up front, the Monster 821 runs Kayaba 43mm upside-down fork and Progressive linkage with adjustable monoshock. Aluminum double-sided swingarm at the rear. On a used example, check fork seals for weeping oil and test the rear linkage for play - seals are a relatively cheap fix but useful when negotiating price.
Final drive maintenance
Final drive is by chain - expect to clean and lube it every few hundred kilometres and check tension regularly; a neglected chain wears the sprockets faster than the chain itself.
Frame & chassis check
The frame is Tubular steel Trellis frame attached to the cylinders head - worth a visual check for corrosion or impact damage around the head-stock and swingarm pivot on any used example, since frame damage is far costlier to fix than any service item.
Monster 821 - Buying & Maintenance Guide
What to check before buying
When inspecting a used 2014 Ducati Monster 821 with its 821 cc naked bike, start with the basics: check the service book for oil change frequency, inspect the drivetrain for wear, and look for oil seepage around the engine casings and rocker covers. This model runs chain final drive, so check chain slack and sprocket tooth profile specifically - a worn sprocket is a cheaper fix now than after it's chewed up the next chain. Now 12 years old, this naked bike is as likely to show age-related wear (perished rubber, seized fasteners, degraded seals) as mileage-related wear. A cold start test is invaluable - a well-maintained Monster 821 should fire up cleanly and settle to a smooth idle within a few seconds.
Oil and filter changes
Regular oil changes are the single most important maintenance task for the Monster 821's 821 cc four stroke, testastretta 11° l-twin, 4 desmodromically actuated valves per cylinder,. Stick to the manufacturer's interval - typically every 6,000 km or once a year, whichever comes first. With a 12.8:1 compression ratio, running the octane grade specified in the manual matters more than on a lower-compression engine. Always use the correct viscosity grade as specified in the owner's manual.
Fuel system care
The Monster 821's fuel injection system is durable but benefits from quality fuel and the occasional use of a fuel-system cleaner additive. If the bike has been stored for more than three months, drain and replace the fuel to prevent varnish deposits in the injectors.
2014 Ducati Monster 821 - Frequently Asked Questions
What engine does the 2014 Ducati Monster 821 have?
The 2014 Ducati Monster 821 uses a Four stroke, Testastretta 11° L-Twin, 4 Desmodromically actuated valves per cylinder, engine with 821 cc of displacement. It is liquid cooled.
How much does the 2014 Ducati Monster 821 weigh?
The 2014 Ducati Monster 821 weighs 205.5kg. This is the manufacturer's wet figure.
How much power does the 2014 Ducati Monster 821 make?
The 2014 Ducati Monster 821 produces 82.4 kW @ 9250 rpm of power and 89.4 Nm @ 7750 rpm of torque. These are peak figures.
What is the fuel tank capacity of the 2014 Ducati Monster 821?
The 2014 Ducati Monster 821 has a 17.5-litre fuel tank. At around 5-6 litres per 100 km, that is roughly 291-350 km between stops.
Is the 2014 Ducati Monster 821 suitable for shorter riders?
The 2014 Ducati Monster 821 has a seat height of 785 mm - 810 mm. This is a moderate seat height that suits a wide range of rider heights.
What brakes does the 2014 Ducati Monster 821 have?
The 2014 Ducati Monster 821 uses 2 x 320 mm semi-floating discs, radially mounted Monobloc Brembo M4-32 callipers, 4-pistons, axial pump with ABS as standard at the front and single 245mm disc, 2-piston floating calliper with ABS as standard equipment at the rear.
What tyre sizes does the 2014 Ducati Monster 821 use?
The 2014 Ducati Monster 821 runs 120/70 ZR 17 Pirelli Diablo Rosso II front and 180/60 ZR17 Pirelli Diablo Rosso II rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.
What gearbox does the 2014 Ducati Monster 821 have?
The 2014 Ducati Monster 821 is fitted with a 6 Speed transmission.
Ducati Monster 821 Spec Evolution
The Ducati Monster 821 was produced across 2 model years (2015-2018). The table below highlights the key specifications that changed across the production run - useful whether you are comparing years or tracking down a specific variant.
| Specification |
2015 |
2018 |
| Max Power |
82.4 kW / 112 hp @ 9250 rpm |
80 kW / 109 hp @ 9250 rpm |
| Wet Weight |
205.5kg / 453 lbs |
206 kg / 454 lbs |
| Dry Weight |
179.5kg / 395.7 lbs |
180.5 kg / 398 lbs |
| Engine Detail |
Four stroke, Testastretta 11° L-Twin, 4 Desmodromically actuated valves per cylinder, |
Four stroke, Testastretta 11° L-Twin, 4 Desmodromically actuated valves per cylinder |
| Fuel Capacity |
17.5 Litres / 4.6 US gal / 3.8 Imp gal |
16.5 Litres / 4.36 US gal |
| Brakes - Front |
2 x 320 mm semi-floating discs, radially mounted Monobloc Brembo M4-32 callipers, 4-pistons, axial pump with ABS as standard |
2 x 320 mm semi-floating discs, radially mounted Monobloc Brembo M4-32 callipers, 4-pistons, axial pump with ABS as standard equipment |
| Brakes - Rear |
Single 245mm disc, 2-piston floating calliper with ABS as standard equipment |
Single 245 mm disc, 2-piston floating calliper with ABS as standard equipment |
| Clutch |
APTC multi-disc wet clutch with control cable |
Slipper and self-servo wet multiplate clutch with mechanical control |
Key Specifications
Engine
Four stroke, Testastretta 11° L-Twin, 4 Desmodromically actuated valves per cylinder,
Power
82.4 kW / 112 hp @ 9250 rpm
Torque
89.4 Nm / 9.1 kgf-m / 65.8 lb-ft @ 7750 rpm
Fuel Capacity
17.5 Litres / 4.6 US gal / 3.8 Imp gal
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Full 2014 Ducati Monster 821 Specifications
Year
2014 - 15
Make Model
Ducati Monster 821
Seat Height
785 mm - 810 mm / 30.9 in - 31.9 in
Wheelbase
1480 mm / 58.3 in
Dry Weight
179.5kg / 395.7 lbs
Fuel Capacity
17.5 Litres / 4.6 US gal / 3.8 Imp gal
Wet Weight
205.5kg / 453 lbs
Displacement
821 cc / 50.1 cu-in
Engine Detail
Four stroke, Testastretta 11° L-Twin, 4 Desmodromically actuated valves per cylinder,
Bore x Stroke
88 x 67.5 mm
Compression Ratio
12.8:1
Cooling System
Liquid cooled
Exhaust
Stainless steel muffler and aluminium and cap; lightweight 2-1 system with catalytic converter with 2 lambda probes
Fuel Induction
Electronic fuel injection system, 53mm throttle bodies with full Ride by Wire
Ignition
Marelli electronic
Starter
Electric
Clutch
APTC multi-disc wet clutch with control cable
Final Drive
Chain, Front sprocket 15; Rear sprocket 46
Gear Ratios
1st 37/15 2nd 30/17 3rd 28/20 4th 26/22 5th 24/23 6th 23/24
Primary Drive
Straight cut gears, ratio 1.85:1
Transmission / Drive
6 Speed
Frame Type
Tubular steel Trellis frame attached to the cylinders head
Suspension - Front
Kayaba 43mm upside-down fork
Suspension - Rear
Progressive linkage with adjustable monoshock. Aluminum double-sided swingarm
Rake
24.3°
Trail
93.2mm / 3.7in
Wheel Travel - Front
130 mm / 5.1 in
Wheel Travel - Rear
140 mm / 5.5 in
Brakes - Front
2 x 320 mm semi-floating discs, radially mounted Monobloc Brembo M4-32 callipers, 4-pistons, axial pump with ABS as standard
Brakes - Rear
Single 245mm disc, 2-piston floating calliper with ABS as standard equipment
Tyres - Front
120/70 ZR 17 Pirelli Diablo Rosso II
Tyres - Rear
180/60 ZR17 Pirelli Diablo Rosso II
Wheels - Front
10-spoke in light alloy, 3.50" x 17"
Wheels - Rear
10-spoke in light alloy, 5.50" x 17"
Specifications are compiled from manufacturer documentation and cross-referenced
technical sources, and corrected on an ongoing basis.
Spot an error? Let us know.
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