4 发动机不易起动;起动后不易提速(发闷),汽车行驶无力;急加速时,化油器有时回火,甚至发动机易熄火;发动机温度较高此故障现象是由于混合气过稀或点火过迟所造成的。常见原因有:断电器触点间隙过小、点火时间不正时、化油器主量孔或径向孔部分堵塞、浮子室油平面调整过低、油管破裂或凹瘪、油管接头松动或部分堵塞、汽油滤清器部分 4 engine is not easy to start; not easy to speed after starting (stuffy), car driving weakness; acute acceleration, the carburetor sometimes tempering, and even the engine is easy to turn off; engine temperature is high This failure phenomenon is due to the mixture is too thin or ignition Caused by late Common reasons are: breaker contact gap is too small, the ignition time is not correct, the carburetor main hole or radial hole part of the block, the float chamber oil level adjustment is too low, the tubing rupture or depression, tubing joints loose or partially blocked Gasoline filter section