Originally Posted by Motodeficient
Get some spray-on foot powder and spray it all over the engine, after you had removed any existing oil and dried it off. Go out for a ride, the leaking spot will make itself known and will be very easy to see. I also am guessing its the CCT gasket. Oil goes everywhere from the wind swirling around the engine. Make sure you read up on proper removal and installation of the CCT mech. This gasket often starts leaking as a result of too much engine oil.
For mine, it was my son riding mile long wheelies