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This animation will explain the inner workings and basic principle of two-cycle engines (also known as two-stroke engines).

Contents
1) Difference to four-stroke engines
2) Two-stroke engine with carburetor
3) Deflector piston, intake port and exhaust port
4) Transfer port of two-stroke engines
5) Explaining different strokes
6) Intake, compress, combust
7) Expand, refill, exhaust
8) Crossflow scavenging
9) Uniflow scavenging in opposed piston engines
10) Modern engines with loop scavenging