Hi fellow riders, I am a green horn riding a Yamaha Zeal and have noticed engine oil leaking from the right side of the bike (where the rear brake is), at the bottom of the bulky crankcase. Is it possible that the leak is due to too much engine oil? I was looking at the bike (when cold) and its level is to the "max level". The leak seems to come out from a little hole. Your insight would be totally appreciated... cos' it would break my heart (or pocket) to spend some money to get it repaired. Many thanks. Cheers.