Apply 4-cycle engine theory.

Application should involve intake, compression, power, and exhaust, as well as the events taking place during each of these strokes (cycles).

Process/Skill Questions:

  • How does understanding 4-cycle theory benefit the small engine technician?
  • What are some possible consequences of applying incorrect 4-cycle theory?
  • Why is so much importance placed on the proper understanding of 4-cycle theory?