Seizure

From MopedWiki

To seize, as taken from Webster's means to cohere to a relatively moving part through excessive pressure, temperature, or friction -- used especially of machine parts (as bearings, brakes, or pistons). To fail to operate due to the seizing of a part -- used of an engine.

These parts cohere due to a slight melting of adjacent components. This occurrence can destroy an engine, in part or in total.

Piston seizure occurs when there is no lubrication between the cylinder wall and the rings. This can be caused by insufficient oil in the fuel mixture or by excessive heat breaking down the oil. Your engine can overheat for a number of reasons, but the most common is a lean running condition or overloading the engine with too much weight.

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