| Attribute | Ducati Monster 821 2018 × | Aprilia Shiver 750 2014 × |
|---|---|---|
| General | ||
| Production from (year) | 2018 | 2014 |
| Make | Ducati | Aprilia |
| Model | Ducati Monster 821 | Aprilia Shiver 750 |
| Category | Naked bike | Naked bike |
| Engine and transmission | ||
| Engine type | V2, four-stroke | V2, four-stroke |
| Valves per cylinder | 4 | 4 |
| Fuel system | Injection. 53mm throttle bodies with full Ride by Wire | Injection. Ride by Wire integrated engine control system. |
| Engine details | Testastretta 11° L-Twin | Longitudinal 90° V-twin |
| Displacement (cm³) | 821 | 749.9 |
| Power (kw) | 79.6 | 69.3 |
| Cooling system | Air | Liquid |
| Transmission type,final drive | Chain | Chain |
| Torque (Nm) | 86 | 81 |
| Bore (mm) | 88 | 92 |
| Stroke (mm) | 67.5 | 56.4 |
| Gearbox | 6-speed | 6-speed |
| Fuel control | Desmodromic valve control | Double Overhead Cams/Twin Cam (DOHC) |
| Emission details | Euro 4 | - |
| Driveline | - | Primary drive: Spur gears, transmission ratio: 60/31 (1.75) Final drive: Chain Transmission ratio: 16/44 |
| Ignition | - | Digital electronic, integrated with the injection |
| Clutch | APTC slipper and self-servo wet multiplate clutch with control cable | Multi-plate in oil bath, hydraulically operated. |
| Lubrication system | - | Wet sump |
| Compression | 12.8:1 | 11.0:1 |
| Exhaust system | Stainless steel muffler and aluminium and cap; lightweight 2-1 system with catalytic converter with 2 lambda probes | 2 into 1 exhaust system in 100% stainless steel with three-way catalytic converter and lambda probe |
| Chassis | ||
| Front suspension | 43mm upside-down forks | 43 mm upside-down fork. |
| Rear suspension | Progressive linkage with adjustable monoshock. Aluminium double-sided swingarm | Aluminium alloy swingarm with reinforcement truss. Hydraulic shock absorber adjustable in spring preload and rebound damping. |
| Front brakes | Double disc. Semi-floating discs, radially mounted Monobloc Brembo M4-32 callipers, 4-pistons, axiial pump with ABS as standard | Double disc. Stainless steel floating discs. Four piston radial calipers. Metal braided brake line |
| Rear brakes | Single disc. 2-piston floating calliper with ABS as standard equipment | Single disc. Single piston caliper |
| Diameter (mm) | 245 | 240 |
| Frame type | Tubular steel Trellis frame attached to the cylinders head | Modular tubular steel frame fastened to aluminium side plates by high strength bolts. Removable rear subframe. |
| Front tyre | 120/70-ZR17 | 120/70-17 |
| Rear tyre | 180/55-ZR17 | 180/55-17 |
| Seat | Dual seat | - |
| Wheels | 10-spoke in light alloy. Pirelli Diablo Rosso II tyres. | Aluminum alloy |
| Front wheel travel (mm) | 130 | 120 |
| Rear wheel travel (mm) | 140 | 130 |
| Trail (mm) | 93 | 109 |
| Rake (fork angle) (degree) | 24.3 | 25.7 |
| Other | ||
| Starter | Electric | Electric |
| Color options |
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|
| Instruments | LCD display | - |
| Dimensions | ||
| Wheelbase (mm) | 1,480 | 1,440 |
| Kerb weight (kg) | 195 | 189 |
| Overall height (mm) | 1,055 | 1,135 |
| Overall length (mm) | 2,170 | 2,265 |
| Overall width (mm) | 800 | 800 |
| Seat height (mm) | 785 | 810 |
| Alternate seat height | 810 | - |
| Performance | ||
| Fuel capacity (l) | 17.5 | 15 |