Dry Sump

An oil lubrication system for four-stroke and two-stroke internal combustion engines that incorporates an additional oil reservoir as compared to a wet sump system. Rather than the oil being collected in a conventional oil pan, or sump, for engine lubrication, oil is pumped into a secondary reservoir and then pumped to the engine bearings, effectively eliminating the oil starvation a wet sump system suffers when subjected to high-performance acceleration, braking, and cornering.


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  1. Wet Sump : Motorcycle-Glossary.com on May 31, 2007 1:55 am

    [...] benefit of a wet sump, as compared to a dry sump, is its simple internal design, using a single pump with no external reservoir or connecting hoses [...]

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