FIG. 1 is a top perspective view of a carburetor throttle body showing the claimed design.

FIG. 2 is a bottom perspective view of the carburetor throttle body of FIG. 1.

FIG. 3 is a top plan view of the carburetor throttle body of FIG. 1.

FIG. 4 is a bottom plan view of the carburetor throttle body of FIG. 1.

FIG. 5 is a rear elevation view of the carburetor throttle body of FIG. 1.

FIG. 6 is a front elevation view of the carburetor throttle body of FIG. 1.

FIG. 7 is a left side view of the carburetor throttle body of FIG. 1; and,

FIG. 8 is a right side view of the carburetor throttle body of FIG. 1.

The broken lines used in the figures are for illustrative purposes only and form no part of the claimed design.