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CB750 K3 Oil leak

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sim2011:
I didnt ride it before the skimmimg, I also have one less tooth on the front sprocket therefore its not a top end bike , more fun I hope.

Pete
I did get depressed for about 30 mins then thought lets do it ! it only takes about 1 hour to get the lump out then about 1 hour to strip the top end down, then ages to clean all the base gasket off properly.

I've done a total resto on this one in my spare time in less than 3 months so it can be done ( even with 1 wife & 3 kids)

I'll keep everyone posted with its progress, next is My Suzuki GT550 which I have already stripped down , Crank is at SEP in Kegworth who also skimmed my head and barrels (proper Mc engineering company)
Thanks again to everyone I hope this will help others.
Si

UK Pete:
SEP are one of the best out there, i used them to re-sleeve a barrel and some other work, they are top notch
Pete

K2-K6:
SEP sounds like a good recommendation? I've no knowledge of them but it seems from what they have done for you that they can do the work to a level you need.

My reasons for being careful about skimming barrels is that they are hard to do correctly without some experienced engineering behind them, I've seen a few that have not been successful so If you can get this level of service it makes it much more of an option.

The cam chain comment I made is I believe relevant as if you consider when you adjust the drive chain you only make a small move in length but the slack changes out of all proportion to how far you've just moved the spindle. I'm not clever enough to do the calculation but it must have something to do with sprocket diameter, I don't think it's a straight no ratio effect though.

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