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Mondial Motorcycles

F.B. Mondial 175 Super Turismo 1957

The name 'Mondial' first appeared on a motorcycle in 1948 when the Boselli brothers (FB = Fratelli Boselli) introduced a revolutionary double-overhead-camshaft 125cc racer. Mondial's miniature masterpiece brought the Bologna manufacturer its first World Championship the following year and proved equally dominant in 1950 and '51.

The SOHC version was very successful commercially.

Specification

Engine: Single cylinder four-stroke OHV

Bore & stroke: 65 x 54.5 mm

Compression ratio: 6.5:1

Engine Capacity: 175cc

Maximum power: 9 h.p. @ 6,500 rpm

Valves per cylinder: 2

Carburettor: Dell'Orto

Cooling system: Air cooled

Electrics: dynamo 12v

Lubrication: Wet sump with mechanical gear pump

Transmission: Gear primary, chain final

Clutch: Cable operated with multiple wet disc in oil bath

Gearbox: 4-Speed foot-change

Starter: Kick-starter

Throttle: Cable operated

Frame type: Open cradle tubular and pressed steel

Front Suspension: Telescopic fork and shock absorbers

Rear Suspension: Swingarm with hydraulic shock absorbers

Front Brake: Drum

Rear Brake: Drum

Front Tyre: 2.50 x 18 in.

Rear tyre: 2.75 x 18 in.

Seat: Dual seat

Fuel consumption: 2.5 litre per 100 km

Top speed: 105 km/h (65.24 mph)

Source: Hessink's NL


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