SOHC.co.uk Forums > CB750

Petcock leaking

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K2-K6:
Found this which may offer scource material.

https://www.amazon.co.uk/Non-Asbestos-Fibre-Gasket-Material/dp/B00MV164DI

Currently not available but at 1.5mm thickness it shows potential being fuel/ solvent resistant.

This type of material is easily cut with leather workers tooling to stamp out bore and OD. Doing it on a plastic kitchen cutting board gives clean cut,  don't get caught though  ;D

Lobo:
...thanks K2/K6; in my case I’m steering clear of unnecessary work and will leave the petcock mounting well alone.
Cheers,
Simon

Trigger:
Just take the tap off. If one bit of rubber is gone you will find the seal from the tap to tank has gone also. You don't need fiber washers, soft alloy crush washers work just as good  ;)

Everything you need to overhaul a tap>>>  https://www.ebay.co.uk/itm/Petcock-Rebuild-Kit-CB160-CL160-CB72-CB77-CB350F-CB500K-CB750K-CB750/223228618233

Lobo:
“Don’t take it off the tank..”;....... “Just take the tap off.”..... aargh 😂😂😂
C’mon boys.
(I’m not taking it off as not broke)
S

Trigger:
I find that a strange attitude to have when one rubbers have already gone hard and brittle. The o'ring that seals the tap to the tank is very important if it leaks and it will leak even if you have the tap turned off  :o

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