Attribute | Ducati Monster 821 2018 × | Aprilia Shiver Sport 750 × |
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General | ||
Production from (year) | 2018 | 2014 |
Make | Ducati | Aprilia |
Model | Ducati Monster 821 | Aprilia Shiver Sport 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 | Sachs 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 | ||
Reserve fuel capacity (l) | - | 3 |
Fuel capacity (l) | 17.5 | 15 |