SOHC.co.uk Forums > CB500/550
Fuel tank gasket
florence:
Last week I fitted a new gasket on my fuel tank lid and despite it being ethanol proof, I don’t think it is thick enough. Today I filled my tank, but when I got home noticed my trousers were doused with petrol.
Does anyone recommend a good replacement, preferably ethanol safe.
Glad I’m no longer a smoker!
Nurse Julie:
We use the original Honda ones on all our bikes, I also sell them on my Ebay page and they don't leak Florence. Is the one you bought OEM?
Oddjob:
The fuel cap gasket can be a bitch to fit correctly as it has to go around both discs which ch live under there. Getting them both in can be difficult. If only the bottom is inside the gasket lip the fuel will leak past. If it feels loose or spins easily it not fitted right.
Oddjob:
Sorry there are 3 discs not 2 and there is another gasket under the bottom disc which goes around the outside if the second disc, if that’s perished you need a new cap or a replacement off another cap.
I did a mod on the cap to remove the inner part and seperate it for zinc plating, which is how I know.
florence:
Does anyone have a link to a diagram because I didn’t know there was more than one seal whic goes either side of the metal disk
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