Ducati 400SS Junior (Half Fairing) (1991-98) vs Ducati Monster 900 S (1997)
Comparison technical specifications
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| Make: | Ducati | Ducati |
| Model: | 400SS Junior (Half Fairing) | Monster 900 S |
| Years: | 1991-98 | 1997 |
| Engine: | Four stroke, 90°“L”twin cylinder, SOHC, desmodromic 2 valve per cylinder. | Four stroke, 90°“L” twin cylinder, SOHC desmodromic 2 valve per cylinder. |
| Capacity: | 398 cc / 24.3 cu in | 904 cc / 55.2 cu in |
| Bore x Stroke: | 70.5 x 51 mm | 92 x 68 mm |
| Compression Ratio: | 10.0:1 | 9.2:1 |
| Cooling System: | Air cooled | Air cooled |
| Induction: | Mikuni B79 carburetor | 2 x 38 mm Mikuni BDST 38-B129 carburetors |
| Spark Plugs: | Champion L82YC (from 1994: RL82Y) | Champion RA6HC |
| Ignition: | Kokusan electronic | Kokusan electronic inductive discharge |
| Battery: | 12V 16Ah | 12V 16Ah |
| Starting: | Electric | Electric |
| Max Power: | 30.9 kW / 42 hp @ 10000 rpm | 58.8 kW / 80 hp @ 7000 rpm |
| Max Torque: | 35.2 Nm / 3.6 kgf-m / 26 ft-lb @ 8500 rpm | 76 Nm / 7.75 kgf-m / 56.1 ft-lb @ 6000 rpm |
| Transmission: | 6 Speed | 6 Speed |
| Primary Drive Ratio: | 2.264:1 (34/77) | 2.000:1 (31/62) |
| Gear Ratios: | 1 st 3.071 / 2nd 2.111 ./ 3rd 1.590 / 4th 1.280 / 5th 1.074 / 6th 0.931:1 | 1st 2.466 / 2nd 1.764 / 3rd 1.350 / 4th 1.091 / 5th 0.958 / 6th 0.857:1 |
| Final Drive Ratio: | 3.210:1 (14/45) | 2.6:1 (15/39) |
| Final Drive: | Chain | Chain |
| Front Suspension: | Marzocchi inverted telescopic fork, 40USD/E | Showa GD 41, inverted type, adjustable, 41 mm stanchions |
| Rear Suspension: | Cantilever swingarm, Marzocchi PBS1R monoshock, preload and rebound damping | Öhlins progressive linkage with adjustable monoshock |
| Front Brakes: | Single 320 mm disc | 2 x 320 mm Discs, 4 piston calipers |
| Rear Brakes: | Single 245 mm disc | Single 220 mm disc, 2 piston caliper |
| Front Tyre: | 130/60 VR17 | 120/70-17 |
| Rear Tyre: | 160/60 VR17 | 170/60-17 |
| Dimensions: | Length: 2020 mm / 79.5 in Width: 730 mm / 28.7 in Height: 1110 mm / 43.7 in | Length: 2090 mm / 82.3 in Width: 770 mm / 30.3 in Height: 1060 mm / 41.7 in |
| Wheelbase: | 1410 mm / 55.5 in | 1430 mm / 56.3 in |
| Seat Height: | 750 mm / 29.5 in | 770 mm / 30.3 in |
| Dry Weight: | 173 kg / 381 lbs | 184 kg / 405 lbs |
| Fuel Capacity: | 17 L / 4.5 US gal / 3.7 Imp gal | 16 L / 4.2 US gal / 3.5 Imp gal |
| Standing ¼ Mile: | 14.7 sec | 11.6 sec / 184.8 km/h / 114.8 mph |
| Top Speed: | 180 km/h / 112 mph | 203 km/h / 126 mph |