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1976 CB550F1 (what have I let myself in for) Project
Laverda Dave:
Well done, looks like you have solved the problem👍. This is a great thread.
eight0:
Thanks guys.
Well there's still the oil ring problem. On the bench the pistons were still too tight, but I'll get back to that once I've fixed the bottom end.
eight0:
After all that, there doesn't appear to be a problem with the rings. Replaced the rods with the ones from the old crank, luckily I had the right bearings.
Removed the chains and put a couple of bolts in the cases to test and...
https://youtu.be/9eBTKUbwU74
The moral of this story, is always check your second hand parts thoroughly.
Thanks for the advice everyone.
Nurse Julie:
Great work and diagnostics. Now smear some oil and graphigen around the inside of the barrels.
eight0:
Thanks Julie. I'm pretty new to mechanics and have never taken apart an engine completely before but I do feel like a bit of a walley for not noticing the rods sooner. Ah well. Glad it's sorted now!
Put the time in yesterday to get the cases back together and back in the frame so now at least I'm back to where I started.
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