Extracting a transmission side V1 crank seal without separating the cases is very hard. On other motors that could be a simple task of destroying the rubber seal and tugging on it, but V1's use metal seals with rubber inners, pressed into the case halves, making it very difficult to extract. I will not go into the technical explanation of what is required to remove said seal, but here is a photo of a successful removal. It was replaced with an all rubber seal, that went in almost too easy. (Do not try this at home, Mega Master Mechanics, like me, only!)
Here is all the tools required and parts removed
The seal was removed from the case/crank on the right. Here you can see the exposed bearing behind it.
BONUS:
TimP's 52.7 cubic centimeter, overbored V1 cylinder. (That he may or may not have immediately soft seized...)
Oh TimP. He has some magical ideas about mopeds!
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