hello. i have a ct110 which has an oil leak. it had some electrical issues when i bought it a few months ago (hence i got it cheap) which i managed to sort out . it was running strong for a month or so then it developed a big oil leak. i took off the bash plate and tracked the oil leak down to the outlet on top of the crank case, which has a drain hose that runs down under the carby. it sort of looks like a pcv valve outlet, maybe? if i can figure out how to post a picture, i will do so. once the bike is started, after 20 seconds or so this hose will start a steady flow of oil. i've managed to drain the oil out of the engine two or three times during this process of tracking down the leak, and luckilly i haven't seized it yet.was i've had a look at a another ct110 and confirmed that this hose is a drain hose and hasn't come loose from somewhere that it supposed to be connected to. so i'm wondering why this hose has suddenly decided to dump all the oil out of the engine. is it a sympton of a blocked oil filter, for example? or a faulty pcv? i'm at a loss. please help, internerds.