Turn off the engine and disconnect the battery
Shut off the fuel supply
Remove the air cleaner assembly
Drain the carburetor bowl
Disconnect fuel lines, throttle linkage, choke linkage, and vacuum lines
Remove the carburetor from the engine
Clean the exterior of the carburetor
Disassemble the carburetor carefully
Remove jets, needles, floats, gaskets, and other removable parts
Inspect all parts for wear, damage, and corrosion
Clean all metal parts with carburetor cleaner
Blow out passages and jets with compressed air
Replace worn gaskets, O-rings, needles, seats, and diaphragms
Check float condition and adjust float level if needed
Reassemble the carburetor using a rebuild kit if available
Reinstall the carburetor on the engine
Reconnect all linkages, hoses, and fuel lines
Refit the air cleaner assembly
Restore the fuel supply
Start the engine and check for leaks
Adjust idle speed and idle mixture screws as needed
Test engine performance under different operating conditions