8 Green "O" rings but where do they go?

[McCabe-Thiele (Ted)]

The gasket set that came with my bike has a nice bag of rubber type "O" ring seals but I am a tad confused about the eight green ones.

The manual shows them under the valve guides (with nice valve seals for the inlets) but I can't see where the green ones go unless they are fitted in place when the guides are pressed in.

So is that where  they go please?

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Gasket set seals by Macabe Thiele, on Flickr

[Athame57]

I wonder it they are tappet inspection cover O rings....are they big enough?

[McCabe-Thiele (Ted)]

I wonder it they are tappet inspection cover O rings....are they big enough?

There are a set of those not in the pictur much larger.
The green things are about 12 mm in diameter.

[Nurse Julie]

They are silicone O rings for under the valve guides. You only fit them if you have new guides inserted.

[McCabe-Thiele (Ted)]

They are silicone O rings for under the valve guides. You only fit them if you have new guides inserted.

Wow that's a very thorough design - usually an interference fit is enough to keep the oil out.