Top Mountain Motorcycle Museum
Triumph, BMW, & Kawasaki Sales Spares & Repairs.
Established for over 40 years and run by expert motorcyclists.
Fully authorised workshop.
Fewer than a thousand examples of the 98cc OHV four-stroke Mondial 98 Extra were produced between 1960 and 1961. Although listings appear for models Mondial 98, 98 Extra and 98 Sport, all are the same.
Documentation indicates that the chassis number should be preceded by the letter E (Extra), but to date all known specimens do not have this abbreviation. There are few if any advertising brochures and documentation for this model extremely sparse.
The original color was metallic gold and blue.
Engine: Single cylinder four-stroke OHV
Bore & stroke: 49 x 52 mm
Compression ratio: 9:1
Engine Capacity: 98cc / 6.0 cu in
Maximum power: 6.5 h.p. @ 7,000 rpm
Cooling system: Air cooled
Valves per cylinder: 2
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
Throttle: Cable operated
Frame type: Single cradle tubular and pressed steel
Front Suspension: Semi-hydraulic telescopic front fork
Rear Suspension: Mono shock
Front Brake: Drum
Rear Brake: Drum
Front tyre: 2.75 x 19 in.
Rear tyre: 2.75 x 19 in.
Seat: Dual seat
Fuel tank capacity: 13 litre (3.7 gal)
Top speed: 90 km/h (56 mph)
Weight: 75 kg (165 lbs)
Source: Hessink's NL
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