Radical Rondine: 1939 Gilera 500 Rondine

By Hamish Cooper
Published on December 18, 2017
article image
by Phil Aynsley
1939 Gilera 500 Rondine.

1939 Gilera 500 Rondine
Engine: 492cc liquid-cooled DOHC inline four (inclined 60 degrees forward), 52mm x 58mm bore and stroke, 7.2-7.5:1 compression ratio, 80hp @ 9,000rpm
Top speed: 140mph
Carburetion: Weber w/Roots supercharger
Transmission: 4-speed, chain final drive
Electrics: Magneto ignition

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