Bultago Bultaco Mettraler 250 (1970-73) vs Triumph Bonneville T100 Special Edition (2015) vs Triumph Thunderbird Storm (2015-16) vs Ducati 907ie (1992)
Comparison technical specifications
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| Make: | Bultago | Triumph | Triumph | Ducati |
| Model: | Bultaco Mettraler 250 | Bonneville T100 Special Edition | Thunderbird Storm | 907ie |
| Years: | 1970-73 | 2015 | 2015-16 | 1992 |
| Engine: | Two stroke, single cylinder, | Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder | Four stroke, parallel twin, DOHC, 4 valves per cylinder, 270° firing interval. | Four stroke, 90° “L” twin cylinder, SOHC, desmodromic 2 valve per cylinder, belt driven |
| Capacity: | 244 cc / 14.8 cu-in | 865 cc / 52.8 cu in | 1699 cc / 103.7 cub in | 904 cc / 55.2 cu in |
| Bore x Stroke: | 72 x 60 mm | 90 x 68 mm | 107.1 x 94.3 mm | 92 x 68 mm |
| Cooling System: | Air cooled | Air-cooled | Liquid cooled | Liquid cooled |
| Induction: | Fuel injection | Multipoint sequential electronic fuel injection with SAI , progressive linkage on throttle | Weber-Marelli IAW 043 system that integrated ignition and electronic fuel injection. | |
| Starting: | Kick | Electric | Electric | Electric |
| Max Power: | 27 hp / 20.1 kW @ 7500 rpm | 50.7 kW / 68 hp @ 7500 rpm | 73 kW / 98 hp @ 5200 rpm | 66.2 kW / 90 hp @ 8500 rpm |
| Transmission: | 5 Speed | 5 Speed | 6 Speed | 6 Speed |
| Final Drive: | Chain | Chain, X-ring | Toothed belt | Chain |
| Front Suspension: | 41mm Kayaba telescopic forks | Showa 47mm forks with black lowers | 42 mm Marzocchi M1R oil-dynamic fork provided with external adjusting system of the extension brake | |
| Rear Suspension: | Kayaba chrome spring twin shocks with adjustable preload | Showa black spring twin shocks with 5 position adjustable preload | Swinging fork with oil-dynamic adjustable mono shock, Marzocchi Duoshock | |
| Front Brakes: | Drum | Single 310 mm disc, 2 piston floating calipers, Nissen | 2 x 310 mm floating discs, Nissin 4 piston fixed calipers, ABS | 1991: 2 x 300 mm Discs, 2 piston calipers 1992: 2 x 320 mm Discs, 2 piston calipers |
| Rear Brakes: | Drum | Single 255 mm disc, 2 piston floating calipers, Nissen | Single 310 mm fixed disc, Brembo 2 piston floating caliper, ABS | Single 245 mm disc, 1 piston caliper |
| Front Tyre: | 2.75-18 | 100/90-R19 | 120/70 R19 | 120/70-17 |
| Rear Tyre: | 3.00-18 | 130/80-R17 | 200/50 R17 75W | 170/60-17 |
| Dry Weight: | 112 kg / 246.9 lbs | 205 kg / 451 lbs | 308 kg / 679 lbs | 215 kg / 474 lbs |
| Fuel Capacity: | 14 Litres / 3.7 US gal | 16.6 Litres / 4.4 US gal / 3.7 Imp gal | 22 Litres / 5.8 gal | 21 L / 5.5 US gal / 4.6 Imp gal |