Rough idling, hesitation, or difficulty starting can have many causes, including restricted carburetor passages. Fuel residue can build up over time. A proper assessment helps distinguish carburetor issues from ignition or fuel-supply problems. Avoid guessing at adjustments before identifying the cause. Tell the shop when the symptoms occur and how long the vehicle has been sitting.
Your vehicle is different.
This is general information, not a diagnosis. Get in touch to discuss your vehicle and confirm the appropriate next step.