cylinder scavenging

Glossary “cylinder scavenging” Definition:
The process by which spent exhaust gases are removed from the cylinder prior to the arrival of fresh air and fuel. The momentum generated as the exhaust gases exit the combustion chamber are used to help draw the A/F mixture into the cylinder for only a few degrees of cankshaft rotation. This is important because left over exhaust in the combustion chamber can rob the engine of power.

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