A two-stroke engine is a type of internal combustion engine that completes a power cycle with two strokes of the piston, one up and one down, in one revolution of the crankshaft in contrast to a four-
1966 Saab Sport
Lateral view of a two-stroke Forty series British Seagull outboard engine; the serial number dates it to 1954/1955
A Cox Babe Bee 0.049 in3 (0.80 cm3) reed valve engine, disassembled, uses glow-plug ignition. Its mass is 64 g.
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
Two-stroke engine
…combustion engine that completes a power cycle with two strokes of the piston, one up and one down, in one revolution of the crankshaft in contrast to a four-stroke engine which requires four strokes of the piston in two crankshaft revolutions to complete a power cycle. During the stroke from bottom dead center to top…
An Otto Engine from 1880s US Manufacture
This 2004 Toyota Prius hybrid has an Atkinson-cycle engine as the petrol-electric hybrid engine
Audi Diesel R15 at Le Mans