Saving Old Seagulls

I haven't done much lately in repairing the gas connection to the carburetor but I have made a new cap with 1/2 inch copper pipe fittings. I now need to find a gasket to fit this connection/. Any ideas?? Copper pipe fittings seem to fit very well to the carburetor

I have tried to contact john at the web site and phone number listed to no avail. If possible would he contact me at 62freund@gmail.com

Cleaners haven't worked but some one told me I am missing the piece that connects the gas hose to the carburetor Are these fittings available? I am uncertain as to the parts needed

I am trying acetone and see if it works Thanks to all

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I am trying to renew this seagull which hasn't been used much. It is unable to get gas from the fuel tank to the bowl. I have cleaned the pipe on the motor and taken off the gas float and inserted a fine drill bit up to place where the shut off pin inserts. It seems to be clear of foreign material ...