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A type of internal combustion engine where all of the cycles of combustion occur in one 360 rotation of the crankshaft.

A type of internal combustion engine where all of the cycles of combustion occur in one 360 rotation of the crankshaft.

There are several types of two stroke engines that include:

  • Piston controlled inlet port
  • Reed inlet valve
  • Rotary inlet valve
  • Cross flow scavenged
  • Uniflow scavenged
  • Stepped piston engine

The image below is type piston controlled inlet port where the piston skirt controls the timing of the port inlet flow.

Image of a two-cycle or two stroke engine

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