Aprilia RXV/SXV
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The Aprilia RXV/SXV series are four-stroke, v-twin off-road or dual sport supermoto motorcycles produced by Aprilia since 2006. Both versions have either 449 cc or 549 cc engine sizes.
Aprilia SXV 550
Aprilia RXV 450
Aprilia RXV 450
Aprilia SXV in a Supermoto competition
Four-stroke engine
Videos
A four-stroke engine is an internal combustion engine in which the piston completes four separate strokes while turning the crankshaft. A stroke refers to the full travel of the piston along the cylin
An Otto Engine from 1880s US Manufacture
This 2004 Toyota Prius hybrid has an Atkinson-cycle engine as the petrol-electric hybrid engine
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