大家好！ I've just noticed that my clutch lever seems to be leaking oil... as in... it's where the grip is, so every time I pull the grip in, there's a little more oil on it. Very wet (almost waterish?) oil, air temperature. 我认识姐夫的男朋友，有时我允许借我的自行车，有时喜欢给东西上油-但我认为他不给它上油... 还有其他原因可能使我在那加油吗？
