Questions? Looking for parts? Parts for sale? or just for a chat,
The WD Motorcycle forum
It's a 1" bore x 1/8" thick (or metric equivalent) .....90182 from here http://www.hitchcocksmotorcycles.com/amal-carburettors-miscellaneous or the heat insulator gasket. Or Google "Surrey Cycles" Ron
email (option): ronpier@talk21.com