SOHC.co.uk Forums > CB500/550
Oil leak from points cover.CB550.
SteveW:
Think the previous owner of mine attempted to remove the output shaft seal without splitting the cases and gave up before he did too much damage.
Fortunately mine only leaks very slightly after a run and put on the side stand. When it cools down it stops.
Laverda Dave:
--- Quote from: K2-K6 on February 17, 2025, 08:57:14 AM ---
--- Quote from: Oddjob on February 16, 2025, 03:52:54 PM ---Remove the points plate and you can see the crank seal, as TSD has said it's normally a split the cases job to replace, that's because it's lipped on it's outer edge. First off you need to make sure it's that that is leaking, it could be the crankcase sealing itself. You could possibly get away with removing the seal, if it is that, and removing the lip off a new seal and driving it into place, it may work and for the cost of a new seal it may be worth trying first. However that's not without it's risks, the seal is very close to the crank shells and if you hit those you're in a lot of trouble. It has been done though.
--- End quote ---
Thought we had a thread on this in the anals of forum. Recall as a successful replacement in situ, but could be wrong :)
--- End quote ---
There was Nigel, I remember it well but I've just done a search and nothing comes up. I remember whoever tried it used two self tapping screws drilled into the face of the seal to pull it out. They removed the lip of the new seal when replaceing it. I have no idea if it was a success though.
McCabe-Thiele (Ted):
I found this old discussion, with links to the US site? http://www.sohc.co.uk/index.php/topic,28589.msg268753.html#msg268753
Johnny4428:
I remember seeing the replacing of that seal, think it was on you tube. At least the output shaft seal is not a lipped seal like the crankshaft ones.
SteveW:
My output shaft seal on the 650 is lipped :(
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