SOHC.co.uk Forums > CB750

burning oil. head off to do valve seals but...

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Graeme77:
Ive wiped most of the oil away but you can see it around the stud. Number 4 is suspiciously clean. There wasboil from thebstud hole to the bore on both sides of the gasket and oil in the bore.

Chris400F:

--- Quote from: Graeme77 on November 07, 2015, 05:18:31 PM ---One other thing, the 8 studs that hold the cam towers, should they all be studs?

--- End quote ---
I've found with my bikes that the Parts Lists are really helpful for working out what parts you should have.
There looks to be one for the 750 F1 in Ashimoto's Dropbox: http://www.sohc.co.uk/index.php/topic,8884.0.html

Graeme77:
Good point, I have a genuine parts book somewhere.

Spitfire:
Between 1&2 and 3&4 there should be 4 dowels and sleeves, those look like O rings on yours, and has already been said there should only be 4 studs for the cam towers.


This should show it better


Cheers

Dennis

Graeme77:
I guess the cam tower stud thing doesnt really matter, as long as it all bolts down right.
just had a look and I have all the hollow pins and right seals forbthe studs, just dont know why this end stud is full of oil.
I guess it must be coming down from the nut and washer. Head gasket obviously isnt stopping it getting into the bore.
Should the head washers and nuts be sealed?

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