Hmmm, I dunno about a 102, but on a 103, it takes a 10mm socket to take off the carb from the intake manifold. The cables come off by taking off a set screw, which releases the cable. Then close the fuel valve and take a cup and quickly pull out the fuel hose from the carb and let the excess fuel run into the cup. Then just pull it off, dissasemble it, and soak it in carb cleaner. Just a tip, go to a lawnmower store of Home Depot and buy a fuel filter for a lawnmower, this will prevent future carb blockage.
Good Luck!!!