Hey everyone, I didn't see this oring number 18 when I tore down my engine. Does it go behind the crank bearing or on the other side of the case?

Clipboard01 by The Real Guy Photography, on Flickr

It sits in the groove of the crankshaft in front of the bearing (clutch cover side of bearing)

Thanks a lot, I'm going to have to take a close look to see if it's still on the crank.

I found the oring, it sits in the groove of the sleeve that goes over the crank:

PXL_20231209_185858924 by The Real Guy Photography, on Flickr

PXL_20231209_185653025 by The Real Guy Photography, on Flickr