All over dti check on Yamaha RD350lc cylinder head. Can any 2 stroke wizards confirm if this head is goosed. Finishing a rebuild but coolant seeps from head gasket when I fill it. Check is done on a lubed engineers slap, dti contacts all round the head surface and deviation is, i think, minimum. Gasket I’m using is m&p copy. Bores are final oversize & 2 base gaskets are on. Head bolts down to 17ft lb…Help please..
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