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Le Vack was a motorcycle produced in 1923.
Bert Le Vack was employed at the JAP engine factory, and was a record-breaking rider and tuner of machines manufactured by others. In 1923 his name appeared on the sole model of a sporting motorcycle. It had a 344cc ohv JAP engine, three-speed Burman gearbox and all-chain drive.
It was only available for that year.