The Benelli 650 Tornado S is a motorcycle produced from 1973 to 1976. It features a parallel twin cylinder, four-stroke, OHV engine with a capacity of 642.8 cc and 2 valves per cylinder. The bore x stroke of the engine is 84 x 58 mm with a compression ratio of 8.0:1. The cooling system is air cooled and it has 2 Dell’Orto VHB 29 carbs for induction. It can start electrically or with a kick start. The maximum power output is 38.8 kW / 52 hp at 7200 rpm. The clutch is a multiplate, wet system and it has a 5-speed transmission with a chain final drive. Suspension is provided by Marzocchi tele-hydraulic front forks and a swinging arm with adjustable shocks at the rear. Braking is achieved with 4 leading shoe, drum brakes at the front and a drum brake at the rear. The front and rear tyres are 3.50-18 and 4.00-18, respectively. The dry weight of the bike is 210 kg / 463 lbs and fuel capacity is 17 litres or 4.5 US gallons.
Technical specifications:
Make Model: Benelli 650 Tornado S
| Year | 1973 – 76 |
|---|---|
| Engine | Parallel twin cylinders, four stroke, OHV, 2 valves per cylinder |
| Capacity | 642.8 cc / 39.2 cu in |
| Bore x Stroke | 84 x 58 mm |
| Compression Ratio | 8.0:1 |
| Cooling System | Air cooled |
| Induction | 2 x Dell’Orto VHB 29 carbs |
| Starting | Electric and kick start |
| Max Power | 38.8 kW / 52 hp @ 7200 rpm |
| Clutch | Multiplate, wet |
| Transmission | 5 Speed |
| Final Drive | Chain |
| Front Suspension | Marzocchi tele-hydraulic forks |
| Rear Suspension | Swinging arm, adjustable shocks |
| Front Brakes | Drum, 4 leading shoe |
| Rear Brakes | Drum |
| Front Tyre | 3.50 -18 |
| Rear Tyre | 4.00 -18 |
| Dry Weight | 210 kg / 463 lbs |
| Fuel Capacity | 17 L / 4.5 US gal |
