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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