Type: Testastretta 11° L-Twin, 4 Desmodromically actuated valves per cylinder, liquid cooled Displacement: 821cc Bore x Stroke: 88 x 67.5mm Compression ratio: 12.8:1 Power: 82.4 kW (112 hp) @ 9,250 rpm Torque: 89.4 Nm (65.8 lb-ft) @ 7,750 rpm Fuel injection: Electronic fuel injection system, 53mm throttle bodies with full Ride by Wire Exhaust: Stainless steel muffler and aluminium and cap; lightweight 2-1 system with catalytic converter with 2 lambda probes
The Monster 821 is powered by the Testastretta 11° 821 cc engine, with air injection system. A secondary air system similar to the one used on the 1199 Panigale has been introduced in order to optimise operation and reduce combustion cycle variability, without affecting emissions. A controlled flow of clean air is injected into the exhaust pipe, enabling total oxidation of the hot exhaust gases, efficiently cutting hydrocarbon and carbon monoxide levels.
The Testastretta 11° engine fitted to the Monster 821 is an exclusive feature of these bikes and its structure has been engineered to be an integral element of the frame. In addition, the air filter and exhaust system have been designed to provide improved torque at low-medium engine speeds.
The Testastretta 11° 821 cc engine generates power equal to 82.4 kW (112CV) @ 9,250 rpm and 89.4 Nm (9.1kgm) of torque at 7,750 rpm.
Frame: Tubular steel Trellis frame attached to the cylinders head Front suspension: Upside down 43mm forks Front wheel: 10-spoke in light alloy 3.50″ x 17″ Front Tyre: 120/70 ZR 17 Pirelli Diablo Rosso II Rear suspension: Progressive linkage with adjustable monoshock. Aluminum double-sided swingarm Rear wheel: 10-spoke in light alloy 5.50″ x 17″ Rear tyre: 180/60 ZR17 Pirelli Diablo Rosso II Front wheel travel: 130mm (5.1in) Rear wheel travel: 140mm (5.5 in) Front brake: 2 x 320mm semi-floating discs, radially mounted Monobloc Brembo M4-32 callipers, 4-pistons, axial pump with ABS as standard Rear brake: 245mm disc, 2-piston floating calliper with ABS as standard equipment Instrumentation: LCD display
Dry weight: 179.5kg (395.7lb)
Weight data refers to the dry weight of the motorcycle without battery, lubricants and coolants for liquid-cooled models.
Wet weight (KERB); 05.5kg (453lb)
Kerb weights indicate total bike weight with all operating consumable liquids and a fuel tank filled to 90% of capacity (as per EC standard 93/93).
Seat height: Adjustable 785 – 810 mm (30.9 – 31.9) Wheelbase: 1480mm (58.3in) Rake: 24,3° Trail: 93.2mm (3.7in) Fuel tank capacity: 17.5l – (4.6 US gal) Number of seats: Dual seat