The Mondial 88 Sport 'Modello 58' has a displacement of 86cc and is a 4-speed, OHV four-stroke. Modello 58 relates to the design year.
A four-stroke 75cc was presented in 1957 but did not enter production until 1960, by which time it had been increased to 86cc and was considered very advanced technology. It came in Turismo and Sport versions.
Specification
Engine: Single cylinder four-stroke OHV
Bore & stroke:
Compression ratio:
Engine Capacity: 86cc
Maximum power: 4.5 h.p. @ 5,800 rpm
Valves per cylinder: 2
Carburettor: Dell'Orto
Cooling system: Air cooled
Ignition type: Magnet flywheel
Lubrication: Wet sump forced circulation 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: Single cradle tubular and pressed-metal.
Front Suspension: Semi-hydraulic telescopic front fork
Rear Suspension: Swinging arm with hydraulic shock absorber
Front Brake: Drum
Rear Brake: Drum
Front tyre: 2.00 x 19 in.
Rear tyre: 2.25 x 19 in.
Seat: Dual seat
Fuel tank capacity: 19 litres
Fuel consumption: 1.5 litre per 100 km
Top speed: 85 km/h (52.8 mph)
Source: Hessink's NL
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