Oil Pressure issue VF 1000f 1984

have sent you a private message

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In the second diagram you do not have to split the cases. This is the one behind the left crankcase cover. The other oil control orifice is in the sump under the oil pump. So you do not have to split the cases to check both of the orifices. Sorry if I misled you or anyone else.
John

item 16 on this diagram is what John is referring to


From my reading of your original post I understood that this was a problem that developed rather than one which manifested itself after a rebuild which is why I thought checking the inner seal may be worthwhile(item 21)

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Hi Tony,
Bif’s correct, you should check the seals when you pull the cover to check for the oil orifice. If you need one I should be able to find one for you.
John

Hi Tony,
Will post the USB today, then you should have all the manuals and parts books you will need, plus a lot more reading material. Should keep you busy for a while.
Cheers
John