SOHC.co.uk Forums > CB750

Broken cb750 10th ann. edition

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Hotel~King:
Hello, new to this forum and i have gotten myself into a jam.. i baught  what seemed to be perfect bike a 1979 cb750k the 10th ann edition and the bike is in such great shape runs great and is in perfect confition but i have now ran into a prob i think the cam chain was never tightend after the recomended 4,000 miles and it broke through the case,, about a 1/2 inch crack any ideas on how to fix my prob... ?   thanks for the advice ..

Joshua

SteveD CB500K0:
I've not heard of a camchain breaking through the case Josh, come to think of it, I've not heard of an anniversary edition either.  Can you post some pictures of the bike and the damage?

JonnyB:
Steve I did a google for it and came up with this,

http://www.nabble.com/Got--new(to-me)-1979-Honda-cb750k-10th-anniversary-edition-t3354227.html

Josh, its a DOHC, but either way, any damage to aluminum caseings will either require some specialist welding or a replacment.

JonnyB:
Forget that, I didn't see Steves other post, Good look with the repair, that JB-Weld stuff is good, but can tend to drop out when exposed to heat and oil

Hotel~King:
thanks yeah before i put the JB weld on i filed the crack down real good and cleaned the area very well ... i let it dry for 24hrs even though it say 1hr... so far so good... i have been driving back and forth from work on freeway at 70+ mph and still not one drop of oil .... thanks for the advice sorry for posting a dohc motor bike in here... but most times people that are into bike are very good with random fixes and i thank you again....

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