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肥肥博士:你好!我是一名维修工,也是《摩托车信息》杂志的忠实读者。有两个问题一直困扰着我,特向你求教。1、近年来我修理了不少摩托车,也根据一些摩托车书籍上的介绍,通过检查火花塞来判断故障,但我搞不清应用什么样的标准来加以判断。2、由于地处偏僻,若在没有温度计的情况下,怎样去判定发动机曲轴箱及其它机件的温度?甘肃省武威市汪富贵汪富贵:你好!十分感谢你对本刊的信任,对你所提疑问作如下解答,供参考。1、火花塞是摩托车发动机点火系统的重要零件,经常在高温、高压下工作,受发动机燃烧室内高温燃气的炙烤,其电极部位与可燃混合气接触,可以比较真实地反映发动机燃烧的一些实际状态。因此,维修工一般都通过检查火花塞的电极颜色来判断发动机的燃烧状况。从技术角度上来讲,可以通过以下几方面来观察火花塞的工作状况:
Dr. Fat: Hello! I am a maintenance worker and a loyal reader of Motorcycle Information magazine. There are two problems that have been bothering me and asking you for advice. 1, in recent years I repaired a lot of motorcycles, but also based on the introduction of some motorcycle books, by checking the spark plug to determine the fault, but I confused what kind of standard to be judged. 2, due to remoteness, if in the absence of a thermometer, how to determine the temperature of the engine crankcase and other parts? Wufu City, Gansu Province Wang Fugui Wang Fugui: Hello! Thank you for your trust in the magazine, The questions you asked for the following answer, for reference. 1, the spark plug is an important part of motorcycle engine ignition system, often working under high temperature and pressure, the engine combustion chamber hot gas burning, the electrode part of the contact with the combustible mixture can be more realistic to reflect some of the actual combustion of the engine status. Therefore, maintenance workers usually judge the burning state of the engine by checking the electrode color of the spark plug. From a technical point of view, through the following aspects to observe the working condition of the spark plug: