Are you sure that you have the number right, because according to the Amal reference book there isn't a 376/35 fitted to the A7.376/35 was fitted to the Triumph Trophy.The 15/16 carbs are 376/4, 376/83, 376/212,376/238.
Hi Chicago,Might this be the website you mean?;http://porklips.org/~mason/moto/amal_specs.htmlSome more interesting information about carburettor problems on this page also;http://www.braigasen.com/Induction_port_obstructions__%28by_George_Templin%29.pdf