Transparent motorcycle crankcase cover - GIF

Transparent motorcycle crankcase cover.

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Previously:

https://www.homemadetools.net/forum/...000#post232958
https://www.homemadetools.net/forum/...773#post198151
https://www.homemadetools.net/forum/...022#post187439
https://www.homemadetools.net/forum/...237#post141898
https://www.homemadetools.net/forum/...523#post135935

So basically what Audi and BMW do with their production car engines, but not transparent.

Sounds like a 2 stroke but has oil in the crankcase. ?

Quote:

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Originally Posted by Floradawg

Sounds like a 2 stroke but has oil in the crankcase. ?

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That's just the clutch cover, although I'm not sure what kind of bike this is, because clutches usually live on the right-hand side. There's generally an oil bath for the clutch side on the bottom end, as well as the middle of the case where the gears live. They share the same oil. No pump or filter or anything. There's a seal on each side of the crank which separates that cavity from the rest of the bottom end. So no oil from the bottom end can get to the crank, but also no vacuum or pressure from the crank can get to the rest of the bottom end.

Saw something like this at a Harley dealer one time. It had more cut aways and more windows
and it was sitting on the counter and was nonoperational. It was a pretty cool display though.