tuning the carburetor

finally i am be able to know how to configure and tune the carburator to the way i want...days ago i was asked to overhaul a carburetor and inspected it if there is any broken parts or so....after that i need to reassemble it back into the engine...at first,i started the engine but the engine back fired and stall,we tried a lot of time but failed,finally i came up an idea of instead blaming on other parts and people who had touched the carburetor,why don't we try tune the carburetor...and we had adjusted the air mix valve and also the idle speed screw...and u know what...the engine started and rev up to what we expected when we full throttle the engine...that was damn fun and that was my very first time to be able tune and overhaul a carburetor...haha