Benelli 900 Sei (1978) vs Bimota DB5 Mille (2006) vs Benelli 250 Café Racer (1975) vs Beta RR 450 Enduro (2007-08)
Comparison technical specifications
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| Make: | Benelli | Bimota | Benelli | Beta |
| Model: | 900 Sei | DB5 Mille | 250 Café Racer | RR 450 Enduro |
| Years: | 1978 | 2006 | 1975 | 2007-08 |
| Engine: | Four stroke, transverse six cylinders, SOHC, 2 valve per cylinder | Air cooled, four stroke, 90°“L”twin cylinder, SOHC, desmodromic 2 valves per cylinder | Two stroke, parallel twin | Four stroke, single cylinder, DOHC, 4 valves |
| Capacity: | 906 cc / 55.3 cu in | 992 cc / 60.5 cub. in. | 231.4 cc / 14.1 cu in | 448 cc / 27.3 cu in |
| Bore x Stroke: | 60 x 53.4 mm | 94 x 71.5 mm | 56 x 47 mm | 89 x 72 mm |
| Compression Ratio: | 9.5:1 | 10.0:1 | 10.0:1 | 11.0:1 |
| Cooling System: | Air cooled | Air cooled | Air cooled | Liquid cooled |
| Induction: | 3 x 24 mm Dell'Orto carburetors | Fuel Injection, 45mm throttle body | 2 x 26 mm Dell'Orto VHB carburetors | Keihin FCR-MX 39 |
| Ignition: | Electronic | Marelli electronic | Electronic | DC-CDI without trembler with variable ignition timing, Kokusan type |
| Starting: | Electric | Electric | Kick start | Kick |
| Transmission: | 5 Speed | 6 Speed | 5 Speed | 6 Speed |
| Front Suspension: | Telescopic forks | Öhlins upside-down fully adjustable forks with TiN surface treatment | Telescopic forks | Hydraulic USD fork, Ø 45mm |
| Rear Suspension: | Dual shocks spring 5-way preload adjustable | Fully adjustable Öhlins monoshock | Swinging arm with double adjustable shocks and concentric springs | Monoshock with progressive compound lever |
| Front Brakes: | 2 x 294 mm discs, 2 piston calipers | 2x 298mm discs 4 piston calipers | 2 x 260 mm Discs | Single Ø 255mm disc, 2 piston floating caliper |
| Rear Brakes: | Single 255 mm disc, 1 piston caliper | Single 220mm disc 2 piston caliper | Drum, 156 mm Ø | Single Ø 240 mm disc, 1 piston floating caliper |
| Front Tyre: | 100/90-18 | 120/90 -17 | 3.00-18 | 90/90 - 21 |
| Rear Tyre: | 120/90-18 | 180/55 -17 | 3.25-18 | 140/80 - 18 |
| Fuel Capacity: | 16.5 Litres / 4.4 US gal | 17 Litres / 4.5 US gal | 11.5 Litres / 3.0 US gal | 8.5 L / 2.2 US gal |