Sunbeam Model 5 (1925) vs Ducati 851 Strada (1990)
Comparison technical specifications
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| Make: | Sunbeam | Ducati |
| Model: | Model 5 | 851 Strada |
| Years: | 1925 | 1990 |
| Engine: | Single cylinder, side valve | Four stroke, 90° L-twin cylinder, DOHC, desmodromic 4 valves per cylinder, belt driven |
| Capacity: | 499 cc / 30.5 cu in | 851 cc / 51.9 cu in |
| Bore x Stroke: | 77 x 105.585 x 88 mm | 92 x 64 mm |
| Compression Ratio: | 5:1 | 11:1 |
| Cooling System: | Air cooled | Liquid cooled |
| Starting: | Kick | Electric |
| Max Power: | 2.6 kW / 3.5 hp | 77 kW / 105hp @ 9000rpm |
| Final Drive: | Chain | Chain |
| Frame: | Single downtube cradle | Tubular steel |
| Front Suspension: | Druid forks | Marzocchi M1R upside-down fork with rebound compression damping adjustable |
| Rear Suspension: | Rigid, spring loaded saddle | Marzocchi Supermono shock with preload and damping adjustable, rising rate swingarm |
| Front Brakes: | Drum | 2 x 320 mm Disc, 4 piston calipers |
| Rear Brakes: | Drum | Single 245 mm disc, 2 piston caliper |
| Dry Weight: | 108 kg / 238 lbs | 190 kg / 419 lbs |
| Top Speed: | 97 km/h / 60 mph | 240.9 km/h / 149.7 mph |