SOHC.co.uk Forums > CB750

Taking engine out burning oil

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yozzer74:
Well I'm going to after take my engine back out the smoking is getting worse . The bike has only done 50 miles . I know I will have to change gaskets but will I have to buy new oil seals . Or can I reuse them . Any ideas on what I should look for when I get it apart as to why it's smoking . I will try get another video of the bike running to show the amount of smoke . I had the exhaust off number 1'3'4 had a lot of oil in the ports . Just to recap bike had new rings fitted and valve guides had valves recut and seats . Thanks yozzer

yozzer74:
https://youtu.be/FI0__SzOS7s

Bryanj:
Incorrect valve to guide clearance or bad stem seals is my guess

yozzer74:
In what way guides too big . When you put stem seals on do they just push on wondering if I haven't fitted them correctly.

onethumb:
Dude proper gutted for you, I know exactly how that feels.


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