SOHC.co.uk Forums > CB500/550
CB550k1 US Import - UK registration
Oddjob:
Yeah you did, I read skimming the head and got it wrong. Me old brain is starting to shut down I reckon.
Trigger:
--- Quote from: juitz on February 05, 2023, 10:46:47 AM ---I'm just lapping the valves but one of the valve seats has some slight pitting - this was cylinder that was corroded/seized.
I've lapped it once but hasn't really cleaned up the surface. More concerned about the pitting though.
--- End quote ---
That head needs a lot of work, may need new valve seats, valves , a head skim and when you take it to a engineering shop, get them to check the valve guides ;)
juitz:
Is it worth machining or better to get a second hand unit in better condition?
Bryanj:
As all the 500 and 550 heads are the same may be more cost efective to get a used one
juitz:
Few cylinder heads listed on eBay - some similar condition to mine, to decent clean ones.
https://www.ebay.co.uk/itm/275635167268?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=zji3f1rXSTK&sssrc=2349624&ssuid=eMi7QkCfTHq&var=&widget_ver=artemis&media=COPY
https://www.ebay.co.uk/itm/354329339864?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=8O8R5KZARse&sssrc=2349624&ssuid=eMi7QkCfTHq&var=&widget_ver=artemis&media=COPY
https://www.ebay.co.uk/itm/314315835930?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=8O8R5KZARse&sssrc=2349624&ssuid=eMi7QkCfTHq&var=&widget_ver=artemis&media=COPY
Would obviously prefer not to spend a fortune. What should I be on the lookout for?
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