Benelli 650 Tornado (1973-74)

The Benelli 650 Tornado S2 was a motorcycle produced by Italian manufacturer Benelli from 1973 to 1974. It was powered by a parallel twin cylinder, four stroke engine with a capacity of 642.8 cc and a maximum power output of 52 horsepower. The engine was cooled by air and featured two Dell’Orto VHB 29 carbs and a compression ratio of 8.0:1. The bike had both electric and kick start options and a multiplate, wet clutch. The transmission was 5-speed and the final drive was a chain. The front suspension was Marzocchi tele-hydraulic forks and the rear suspension was a swinging arm with adjustable shocks. Braking was done by drum brakes, with 4 leading shoes in the front and drums in the rear. The bike had a dry weight of 210 kg and a fuel capacity of 17 L. The front and rear tires measured 3.50-18 and 4.00-18 respectively.

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Technical specifications:

Make Model: Benelli 650 Tornado S2

Year: 1973 – 74

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