| http://www.w3.org/ns/prov#value | - The result was an engine that could be revved to 14,000rpm, where the "spring engine produced its maximum power at 11,500rpm.The road-going Ducati Desmo singleThough Ducati launched its range of narrow case road-going Desmo singles for the 1957 season, all used a single overhead camshaft with valve operation by rockers and enclosed hairpin springs.
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