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Italian Motorcycles

Gilera 175 Super Sport 1956

Throughout the early 1950s Gilera dominated the headlines in the motorcycle press, taking six individual World Championships and five manufacturers' titles. Although racing generated valuable publicity, it was sales of road-going motorcycles which paid the bills. The majority of machines sold were lightweights based on the overhead-valve 125 single that had first appeared in prototype form in 1948.

Developed and enlarged first to 150cc and then 175cc, these simple OHV singles were top sellers throughout the 1950s and into the 1960s, although their high price outside Italy made them a relatively rare sight abroad.

Specifications

Engine: Single cylinder four-stroke OHV

Bore & stroke: 60 x 61 mm

Engine Capacity: 172.5cc

Maximum power: 9.1 h.p.

Valves per cylinder: 2

Carburettor: Dell'Orto

Cooling system: Air cooled

Ignition type: Dry sump system, with gear-driven pump feed incorporation filter

Lubrication: Wet sump forced circulation with mechanical gear pump

Transmission: Engine/gearbox by gears, gearbox/wheel by chain

Clutch: Multi-plate dry clutch, with adjustable springs and special plates

Gearbox: 4-Speed foot-change

Starter: Kick-starter

Throttle: Cable operated

Frame type: Seamless steel tubing

Front Suspension: Telescopic fork and shock absorbers

Rear Suspension: Swingarm with hydraulic shock absorbers

Front Brake: Drum, internal expanding pattern Ø 150 mm (6 in)

Rear Brake: Drum Ø 150 mm (6 in)

Front tyre: 19 x 2.50"

Rear tyre: 19 x 2.50"

Seat: Duck-tail dual seat

Fuel tank capacity: 15 litre (3.5 gallons)

Fuel consumption: 1 litre per 50 km

Top speed: 115 km/h (72 mph)

Weight: 100 kg (220 lb)

Source: Hessink's NL


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