The BSA Workshop > Singles
Fuel tap problem
TIGERJ:
As some of you will remember I am in the process of finishing my SS80.
Fuel has been in the tank some time now and petrol leaking from the tap only at the moment when
Tap is off.
I am guessing that the unused brass tap which came with the parts is not ethanol resistant ?
Can anyone confirm the thread sizes.
Thanks
Tim
Dean Southall:
You could replace the tap with a Bap tap. They are leak free and easy to use and don't look too out of place
eg
https://www.draganfly.co.uk/index.php/a65anda50/category/776-petrol-taps-pipes
scroll down fpr description
JulianS:
If your tap is plunger type with cork seal you can replace the plunger and cork for a new one though from my experience they will start to seep after a while, I dont think cork and ethanol are entirely compatible. Some will suggest you can boil or soak the cork to restore its seal but I am not convinced that either is a long term cure.
I changed to lever types on my A10, an English made one on one side which still seeps a bit and a cheap Wassell one on the other side, made in the far east, which has proved leak free over the past 12 months.
TIGERJ:
I guess tank thread is BSP ANY IDEA WHAT SIZE.
JulianS:
Usually 3/8 x 19 tpi BSP.
Some replacement taps are 1/4 x 19 tpi BSP but there are adaptors available for tank to tap in that case. Had to use such on my A10 when I abandoned the original taps.
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