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Hey guys, was looking at the underneath of the cylinder head and wondered which channels were for water ways and which are oil?

As reference see post on this thread ( Fri Jul 06, 2007 1:30 pm) which shows the base of the cylinder head:
viewtopic.php?f=87&t=2600

any channels in the barrels are for coolant with the exception of the camchain shaft on the RHS of the engine.

there is a tube going from the cases to the cylinder head that feeds oil to the camshafts/rockers, this oil drains on the RHS of the engine down the camchain shaft.

as for the cylinder head there are only coolant passageways cut into the base of it.