The Ducati Monster 821 Dark motorcycle was first released in 2015 and has a four-stroke Testastretta 11 degrees L-Twin engine, with a capacity of 821 cc/50.1 cubic inches. The motorcycle has liquid cooling and a compression ratio of 12.8:1. Its electronic fuel injection system is equipped with 53mm throttle bodies with full ride-by-wire. The bike has an electric starting system, clutch, and a six-speed transmission, with a final drive chain. The tubular steel Trellis frame is attached to the cylinder head, and the motorcycle has a Kayaba 43mm upside-down fork in the front suspension. The aluminum double-sided swing arm has a progressive linkage with adjustable mono-shock in the rear suspension. The front brakes consist of two 320mm semi-floating discs, radially mounted Monobloc Brembo M4-32 calipers, 4-pistons, axial pump with ABS as standard, while the rear brakes have a single 245mm disc and 2-piston floating caliper with ABS. With a dry weight of 179.5kg/395.7 lbs and a fuel capacity of 17.5 liters/4.6 US gal/3.8 Imp gal, the bike has a wheelbase of 1480mm/58.3in, and seat height that ranges from 785 mm to 810 mm. The max power of this Ducati monster is 82.4kW/112 hp at 9250 rpm, and the max torque is 89.4 Nm/9.1 kgf-m/65.8 lb-ft at 7750 rpm. Its top speed is estimated at 137 mph/220 km/h.
Technical specifications:
Make Model: Ducati Monster 821 Dark
| Year | 2015 |
|---|---|
| Engine | Four stroke, Testastretta 11 degrees L-Twin, 4 Desmodromically actuated valves per cylinder, |
| Capacity | 821 cc / 50.1 cu-in |
| Bore x Stroke | 88 x 67.5 mm |
| Cooling System | Liquid cooled |
| Compression Ratio | 12.8:1 |
| Exhaust | Stainless steel muffler and aluminium and cap; lightweight 2-1 system with catalytic converter with 2 lambda probes |
| Induction | Electronic fuel injection system, 53mm throttle bodies with full Ride by Wire |
| Ignition | Marelli electronic |
| Starting | Electric |
| Max Power | 82.4 kW / 112 hp @ 9250 rpm |
| Max Torque | 89.4 Nm / 9.1 kgf-m / 65.8 lb-ft @ 7750 rpm |
| Clutch | APTC multi-disc wet clutch with control cable |
| Transmission | 6 Speed |
| Final Drive | Chain, Front sprocket 15; Rear sprocket 46 |
| Gear Ratio | 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 |
| Frame | Tubular steel Trellis frame attached to the cylinders head |
| Front Suspension | Kayaba 43mm upside-down fork |
| Front Wheel Travel | 130 mm / 5.1 in |
| Rear Suspension | Progressive linkage with adjustable monoshock. Aluminum double-sided swingarm |
| Rear Wheel Travel | 140 mm / 5.5 in |
| Front Brakes | 2 x 320 mm semi-floating discs, radially mounted Monobloc Brembo M4-32 callipers, 4-pistons, axial pump with ABS as standard |
| Rear Brakes | Single 245mm disc, 2-piston floating calliper with ABS as standard equipment |
| Front Wheel | 10-spoke in light alloy, 3.50″ x 17″ |
| Rear Wheel | 10-spoke in light alloy, 5.50″ x 17″ |
| Front Tyre | 120/70 ZR 17 Pirelli Diablo Rosso II |
| Rear Tyre | 180/60 ZR17 Pirelli Diablo Rosso II |
| Rake | 24.3 degrees |
| Trail | 93.2mm / 3.7in |
| Wheelbase | 1480 mm / 58.3 in |
| Seat Height | 785 mm – 810 mm / 30.9 in – 31.9 in |
| Dry Weight | 179.5kg / 395.7 lbs |
| Wet Weight | 205.5kg / 453 lbs |
| Fuel Capacity | 17.5 Litres / 4.6 US gal / 3.8 Imp gal |
