Carter Thermoquad Carburetor Manual
The carburetor number can be found stamped on the mounting flange face. Numbers like 6-2124 are casting numbers and do not equate to a carburetor number.
Glue the inserts using: plastic steel made by Devcon
Identification
To get the correct parts for your Carter TQ (Thermoquad), you need to match the carburetor number, which is found at the lower left. There will be 4 digits followed by an ‘S’. SA, SB, SC, etc are treated the same in regard to our TQ parts.
4846s – 850 CFM
4847s – 1000 CFM
4846SA & 4847SA – The 4846S & 4847S used pressed in jets, which usually cannot be re-used. The revision SA featured a replaceable screw in main jet.