SU Carburetor Adjustments SU Float Level Adjustment Needle Adjustment Centering Needle & Jet Idle Adjustment While on Car Updated on 12/14/2020 Was this article helpful? Yes No Related Articles SU Carburetor Rebuild SU Carburetor Identification SU Carburetor Specifications SU Carburetor Exploded View Need Support?Can't find the answer you're looking for?Contact Support