| Type | Monster |
| Production | 1995-2009 for Italian and Japanese markets only |
| Related | Ducati Monster M600 Ducati Monster M620 |
History


* Front brake: double disc, I.E. – fuel-injection version

* Small windshield, double brake disc, carbon fiber

* Fuel-injection, double brake disc

* Front brake: double disc 300 mm, 2-piston calipers
Specifications
| ENGINE | |
| Engine (type) | Air&Oil-cooled, 4-stroke |
| Cylinder arrangement | Twin-cylinder, 90° L-type |
| Bore & Stroke | 70,5 x 51,0 mm |
| Displacement | 398 cm³ (24,3 cu. in) |
| Compression ratio | 10.0:1 |
| Valve train | Belt driven desmodromic single-cam, 2 valves per cylinder |
| Max. power | 43,0 hp (32,0 kW) / 11000 rpm – Max. power at crankshaft (95/1/EC) 44,0 hp (32,4 kW) / 10500 rpm – Max. power at crankshaft, measured on test bench |
| Max. torque | 31,5 Nm (3,3 kgm) / 8750 rpm – Max. crankshaft torque 34,3 Nm (3,6 kgm) / 8750 rpm – Max. torque at crankshaft, measured on test bench |
| Acceleration 0 to 100 km/h (0-60 mph) | |
| Top speed | 160 km/h (99,5 mph) |
| Fuel system (type) | Carburetor, 2x Mikuni BDST38 – Ducati Monster M400 MARELLI indirect electronic injection – Ducati Monster M400 I.E. |
| Fuel economy / consumption | |
| DRIVE TRAIN | |
| Clutch | Wet, multi-plate, hydraulic operated |
| Transmission | 5-speed – Ducati Monster M400 6-speed – Ducati Monster M400 I.E. |
| Final drive | Chain |
| Gear ratio I II III IV V VI | |
| FRAME | |
| Frame (type) | Chrome-molybdenum steel tube trellis frame |
| Front suspension, travel | 43 mm inverted telescopic fork, 130 mm / 5,1 in |
| Rear suspension, travel | Swingarm with mono-shock (adjustable spring preload & rebound damping), 148 mm / 5,8 in |
| Front tire size | 120/60-ZR17 |
| Rear tire size | 160/60-ZR17 |
| Front brake | Single disc, 320 mm, 4-piston caliper – Ducati Monster M400 Double disc, 320 mm, 4-piston calipers – Ducati Monster M400 I.E., Dark, 400S Double disc, 300 mm, 2-piston calipers – Ducati Monster M400 I.E. (2007-2009) |
| Rear brake | Single disc, 245 mm, 2-piston caliper |
| Fuel capacity | 16,5 l / 4,35 US gal. (reserve – 4,0 l) – Ducati Monster M400 15,0 l / 3,96 US gal. (reserve – 3,0 l) – Ducati Monster M400 I.E. |
| ELECTRICAL | |
| Ignition system | Electronic type – Ducati Monster M400 Inductive electronic ignition – Ducati Monster M400 I.E. |
| Alternator | 12V-300W – Ducati Monster M400 12V-520W – Ducati Monster M400 I.E. |
| Battery | 12V-16Ah – Ducati Monster M400 12V-10Ah – Ducati Monster M400 I.E. |
| DIMENSIONS | |
| Overall length | 2090 mm / 82,3 in – Ducati Monster M400 2100 mm / 82,7 in – Ducati Monster M400 I.E. |
| Overall width | 770 mm / 30,3 in – Ducati Monster M400 794 mm / 31,2 in – Ducati Monster M400 I.E. |
| Overall height | 1060 mm / 41,7 in – Ducati Monster M400 1058 mm / 41,6 in – Ducati Monster M400 I.E. |
| Seat height | 770 mm / 30,3 in |
| Wheelbase | 1430 mm / 56,3 in – Ducati Monster M400 1440 mm / 56,7 in – Ducati Monster M400 I.E. |
| Ground clearance | 150 mm / 5,9 in – Ducati Monster M400 120 mm / 4,7 in – Ducati Monster M400 I.E. |
| Dry weight | 174 kg / 390 lbs – Ducati Monster M400 168 kg / 370 lbs – Ducati Monster M400 I.E. |
| Curb (wet) weight |
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