许多人都习惯于通过排气管的烟色,来判断发动机的故障。由于发动机的机油加注口直通曲轴箱内部,所以它也是一个判断机器故障的窗口,而且有时具有独到之处。 1.冒黑烟。当发动机运转时,从加机油口冒出黑色烟雾,并且伴随敲击声。说明缸套、活塞已经磨损,配合 Many people are accustomed to smoke through the exhaust pipe to determine the engine failure. Since the engine’s oil fill port runs straight through the inside of the crankcase, it is also a window to judge the machine’s failure, and sometimes it is unique. Black smoke When the engine is running, black smoke emerges from the port plus the percussion sound. Description cylinder liner, the piston has worn, with