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实例一 故障现象:一辆已行驶了7000公里的轻骑雄风100型摩托车突然启动困难。 故障分析与排除:询问车主,前一天摩托车行驶很正常,第二天早上也能启动,只是排气管冒浓烟,加大油门后熄火。该车前几天刚清洗过空气滤清器及化油器,不可能因混合气过浓所致。拆下火花塞,用手指堵住火花塞孔,空蹬启动杆,感觉汽缸内压力正常,排出的气体有较浓的汽油味。打开点火开关,将同一型号的新火花塞壳体与车体搭铁,试踏启动杆,火花塞跳火较强。拧上火花塞,摩托车启动正常,但熄火后再次出
Example A fault phenomenon: a 7,000 km has been riding a Qingqi Xiongfeng 100 motorcycle suddenly start difficulties. Failure Analysis and Troubleshooting: Ask the owner, the day before the motorcycle is driving normally the next morning can start, but the exhaust pipe to take smoke, increase the throttle after the flame. The car a few days ago just cleaned the air filter and carburetor, can not be caused by the mixture too thick. Remove the spark plug, plug the spark plug hole with your fingers, empty pedal start lever, feel the normal pressure in the cylinder, the exhaust gas has a strong smell of gasoline. Open the ignition switch, the same type of new spark plug shell and body to take the iron, try to start the lever, spark plugs strong fire. Screw on the spark plug, the motorcycle started normal, but again after the flame out