Benelli 650 Tornado (1973-76)

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.

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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