Other Stuff > Misc / Open
Measuring O-Rings
AshimotoK0:
--- Quote from: Bryanj on July 04, 2023, 08:01:25 AM ---Still got some of those for mine, didnt realise there were no stem seals, sorry Ash.
Stumped about the O ring then, cant think of any other small ones
--- End quote ---
No problem mate ... that set was a bargain quality one .. stem seals or not.
I wonder what the green ones are made from ... probably something with superior properties to standard nitrile rubber. Possibly some kind of fluoro-elastomer.
Nurse Julie:
They are silicone Ash.
Oddjob:
Probably specced as silicone due to the high heat those rings would be under connected to the valve stems. The valve stem seals seem to be made of the same stuff, most of mine are green as well although some are black.
Oddjob:
After much searching I managed to find a CB500K parts book in America, printed May 1971. A little haggling over the price ensued and it eventually dropped through the door today. The odd thing is that it is half size from my other book. My old book is about A4 size, this is much smaller. The carb diagram is a fold out affair but doesn't include oring sizes, the back however does have the complete list of part numbers like the UK version.
Very odd.
Oddjob:
--- Quote from: AshimotoK0 on June 27, 2023, 10:06:38 PM ---You got me thinking Ken. Where are the part numbers for the complete gasket sets listed? You don't see them in parts books AFAIK. Dont forget also that you can earn £1k in eBay sales before it's deemed as taxable. At least I believe that is the case. Mick Taylor ( kettle738) told me about it.
--- End quote ---
Spotted this today Ash. You might find it interesting, it's on the back of the card of the 5 bottom end gaskets set I bought.
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