crankcase
Crankcase is the bottom part of the engine where the crankshaft turns. In two-stroke engines, it also holds oil that keeps parts moving smoothly.
The crankcase is the lower part of an engine housing the crankshaft and pistons. In two-stroke engines, it also serves as a reservoir for lubricating oil mixed with fuel.
Hear It Discussed
"I mean, your thought that maybe the oil isn't draining back into the crankcase is another possibility. And if you haven't changed the oil for a long time..."
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"if it's sneaking by an intake valve and exhaust valve back into the crankcase."
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"...fill the crankcase with oil. And they kept driving. He fired it up. There was a little bit of a tapping I heard in the mic right as he started it..."
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