How to Tell Why Your Piston is Destroyed

YouTube·Applied Science

Learn how to analyze a failed piston to determine the cause in this 18-minute video tutorial. Discover why your chainsaw's piston might be scored and apply this knowledge to various 2-stroke, 2-cycle lawn and garden equipment, including weed eaters, trimmers, and leaf blowers. Explore common causes of piston failure such as uncertified parts, stale fuel, dirt ingestion, overheating, cold seizure, and lean seizure. Gain valuable insights from an experienced small engine mechanic to save time, frustration, and money when diagnosing and repairing your outdoor power equipment.