ok so it's a 4 stroke rover i5500 mulch/catcher, model no. 14848, serial no. 3808100387. it's only 2 - 3 years old an it seems to be leaking from the side of the carbi?? at the front bottom. I may not know what it's called but I can figure out how to repair it as I'm a tinker smile but would like some ideas of what's wrong an what I may need before I pull it apart, as I've already fixed the (accelerator cable) and the pull start, replaced the blades and clean underneath after every use (to reduce build-up and unbalancing).

thanks for your help it is greatly appreciated.