Technical specifications
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| Model: |
Monster 821 |
| Years: |
2017-18 |
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Engine:
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Four stroke, Testastretta 11° L-Twin, 4 Desmodromically actuated valves per cylinder
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Capacity:
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821 cc / 50.1 cu-in
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Bore x Stroke:
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88 x 67.5 mm
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Cooling System:
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Liquid cooled
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Compression Ratio:
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12.8:1
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Exhaust:
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Stainless steel muffler and aluminium and cap; lightweight 2-1 system with catalytic converter with 2 lambda probes
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Induction:
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Electronic fuel injection system, 53mm throttle bodies with full Ride by Wire
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Ignition:
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Marelli electronic
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Starting:
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Electric
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Max Power:
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80 kW / 109 hp @ 9250 rpm
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Max Torque:
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86 Nm / 9.1 kgf-m / 63 lb-ft @ 7750 rpm
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Clutch:
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Slipper and self-servo wet multiplate clutch with mechanical control
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Transmission:
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6 Speed
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Final Drive:
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Chain, Front sprocket 15; Rear sprocket 46
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Gear Ratio:
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1st 37/15 2nd 30/17 3rd 28/20 4th 26/22 5th 24/23 6th 23/24
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Primary Drive:
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Straight cut gears, ratio 1.85:1
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Frame:
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Tubular steel Trellis frame attached to the cylinders head
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Front Suspension:
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Kayaba 43mm upside-down fork
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Front Wheel Travel:
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130 mm / 5.1 in
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Rear Suspension:
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Progressive linkage with adjustable monoshock. Aluminum double-sided swingarm
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Rear Wheel Travel:
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140 mm / 5.5 in
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Front Brakes:
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2 x 320 mm semi-floating discs, radially mounted Monobloc Brembo M4-32 callipers, 4-pistons, axial pump with ABS as standard equipment
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Rear Brakes:
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Single 245 mm disc, 2-piston floating calliper with ABS as standard equipment
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Front Wheel:
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10-spoke in light alloy, 3.50" x 17"
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Rear Wheel:
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10-spoke in light alloy, 5.50" x 17"
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Front Tyre:
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120/70 ZR 17 Pirelli Diablo Rosso III
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Rear Tyre:
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180/55 ZR17 Pirelli Diablo Rosso III
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Rake:
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24.3°
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Trail:
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93.2mm / 3.7in
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Wheelbase:
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1480 mm / 58.3 in
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Seat Height:
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785 mm - 810 mm / 30.9 in - 31.9 in
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Dry Weight:
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180.5 kg / 398 lbs
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Wet Weight:
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206 kg / 454 lbs
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Fuel Capacity:
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16.5 Litres / 4.36 US gal
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