Suzuki GS 425E (1979) vs Ducati Monster 900 S (1997)
Comparison technical specifications
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| Make: | Suzuki | Ducati |
| Model: | GS 425E | Monster 900 S |
| Years: | 1979 | 1997 |
| Engine: | Four stroke, parallel twin cylinder, DOHC, 2 valves per cylinder. | Four stroke, 90°“L” twin cylinder, SOHC desmodromic 2 valve per cylinder. |
| Capacity: | 423 cc / 25.8 cu in | 904 cc / 55.2 cu in |
| Bore x Stroke: | 67 x 60 mm | 92 x 68 mm |
| Compression Ratio: | 9.1:1 | 9.2:1 |
| Cooling System: | Air cooled | Air cooled |
| Induction: | 2 x 34 mm Mikuni carburetors | 2 x 38 mm Mikuni BDST 38-B129 carburetors |
| Starting: | Electric and kick | Electric |
| Clutch: | Wet multiplafe | Dry multiplate |
| Max Power: | 29.8 kW / 40 hp @ 7000 rpm | 58.8 kW / 80 hp @ 7000 rpm |
| Transmission: | 6 Speed | 6 Speed |
| Final Drive: | Chain | Chain |
| Front Suspension: | Telescopic fork | Showa GD 41, inverted type, adjustable, 41 mm stanchions |
| Rear Suspension: | Twin shocks, coil spring over | Öhlins progressive linkage with adjustable monoshock |
| Front Brakes: | Single disc, 11in | 2 x 320 mm Discs, 4 piston calipers |
| Rear Brakes: | Drum, 7 in | Single 220 mm disc, 2 piston caliper |
| Front Tyre: | 3.00-18 | 120/70-17 |
| Rear Tyre: | 3.75-18 | 170/60-17 |
| Seat Height: | 787 mm / 31 in | 770 mm / 30.3 in |
| Dry Weight: | 173 kg / 382 lbs | 184 kg / 405 lbs |
| Fuel Capacity: | 15 Litres / 4.0 US gal / 3.3 Imp gal | 16 L / 4.2 US gal / 3.5 Imp gal |