1930 N.S.U. 501 TS Back to contest Vote Description 1930 N.S.U. 501 TS Beginning in 1901, NSU became one of the first companies to mass produce motorcycles. This is a typical touring model, featuring an 11-hp single-cylinder four-stroke engine and three-speed transmission. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Δ Share OK More