| Manufacturer | Benelli |
|---|---|
| Production | 1972–1978 |
| Engine | 747 cc air-cooled inline-6 Bore x stroke: 56 mm x 50.6 mm Compression ratio: 9.8:1 |
| Top speed | 200 km/h (120 mph) |
| Power | 71 hp (53 kW) @ 8900 rpm |
| Transmission | 5-speed, wet clutch |
| Suspension | Front: 38 mm Marzocchi telescopic forks Rear: Twin shock |
| Brakes | Front: Twin disc Rear: Drum |
| Tires | Front: 3.50 H 18 Rear: 4.25 H 18 |
| Weight | 235 kg (520 lb) (dry), 255 kg (560 lb) (wet) |
| Fuel capacity | 23 litres (6.1 US gal) |
The Benelli 750 Sei is a motorcycle that was produced by Italian manufacturer Benelli from 1972–1978. It was the first production motorcycle with a 6-cylinder engine.[1] The engine was based on the four-cylinder Honda CB500, but with two extra cylinders. The cylinder head fins of the Sei were squared off to provide a cosmetic individuality; but otherwise the engine is in most respects obviously derived from the Honda.
Despite the extra cylinders, the Sei's width was kept to a minimum by siting the alternator (which, on the Honda, is at the left-hand end of the crankshaft) behind the cylinders. Cooling was improved by having air passages between the cylinders. The Sei had three carburetters, compared to the Honda's four. After four years of production, Benelli developed the 750 Sei into a 900cc motorcycle, with six-into-two exhausts.
References
- ^ R M Clarke. Benelli 700/900 Performance Portfolio. Brooklands Books. ISBN 1855206684.
External links
- Benelli 750 Sei video at YouTube (requires Adobe Flash)
- Motorcycle Classics article on Benelli 750 Sei
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