2005 Ducati Monster 620 Dark Technical Analysis & Specification Breakdown
Built around Ducati's naked motorcycle platform, the 2005 Ducati Monster 620 Dark relies on a 618 cc (37.7 cu in) air-cooled twin, four-stroke powerplant. In factory specification, peak output is rated at 46.4 HP (33.9 kW) at 9,500 rpm while maximum torque reaches 57 Nm (42 lb-ft) at 6,750 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 75.1 HP per liter and a 2,750 rpm working window between peak torque (6,750 rpm) and peak power (9,500 rpm), the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.
On the scales, the Monster 620 Dark measures 166 kg (366 lbs) dry, translating to a power-to-weight ratio of 0.28 HP/kg (3.58 kg per horsepower). Rider ergonomics and chassis geometry center around a 770 mm (30.3 in) seat height — offering a neutral standover height that accommodates most average-inseam riders without sacrificing cornering clearance, combined with a 1,440 mm (56.7 in) wheelbase engineered for balanced agility and highway composure. The 14-liter (3.7 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Ducati archive, this model family spans 2 indexed model years from 2005 to 2006, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Specific Output
75.1 HP/L
Power-to-Weight
0.28 HP/kg (3.58 kg/HP)
Power Band Window
6,750–9,500 rpm
Standover Height
770 mm (30.3 in)
Engine
Displacement618.0 ccm (37.71 cubic inches)
Engine TypeTwin, four-stroke
Engine DetailsTwin, four-stroke
Power46.4 HP (33.9 kW)) @ 9500 RPM
Torque57.0 Nm (5.8 kgf-m or 42.0 ft.lbs) @ 6750 RPM
Compression10.5:1
Bore x Stroke80.0 x 61.5 mm (3.1 x 2.4 inches)
Valves/Cylinder2
Fuel SystemInjection. Marelli electronic fuel injection, 45 mm throttle body
Fuel ControlDesmodromic valve control
CoolingAir
Transmission
Gearbox5-speed
Final DriveChain (final drive)
ClutchAPTC wet multiplate with hydraulic control
Performance
Exhaust2 aluminium mufflers
Chassis
Frame TypeTubular steel trellis
Rake24.0°
Front Suspension43 mm upside-down fork
Front Travel130 mm (5.1 inches)
Rear SuspensionProgressive linkage with adjustable Sachs monoshock
Rear Travel148 mm (5.8 inches)
Wheelbase1440 mm (56.7 inches)
Wheels & Brakes
Front Tyre120/60-ZR17
Rear Tyre160/60-ZR17
Front BrakesSingle disc
Front Brake Ø320 mm (12.6 inches)
Rear BrakesSingle disc
Rear Brake Ø245 mm (9.6 inches)
Dimensions & Weight
Dry Weight166.0 kg (366.0 pounds)
Power/Weight0.2795 HP/kg
Seat Height770 mm (30.3 inches) If adjustable, lowest setting.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
