Reply To: Engine breather pipe.

In the middle of the sandwich, between the teo gaskets, there is a plate with a “D” shaped hole, half the size of the hole in the head of the breather – it is effrctively a baffle to precent oil being allowed to drip down the block and out of the breather.

There should be a small lug on it to ensure it can only be fitted the correct way up, i.e. with the hole to the top of the aperture in the breather pipe assembly.

If your engine is newly rebuilt it may be that the rings are not fully bedded in yet but, if that breather was not checked at the time, it will be worth the hassle of removing it to do it now.

B……………