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本期问题 化油器的维修常识 1.怠速时为何要求供给较浓的混合气? 2.启动时为何要使用较浓的混合气? 3.化油器的主油针在什么时候起作用? 4.何时升起主油针?何时降下
The issue of the maintenance of carburetor knowledge 1. Why idle when the supply of thicker mixture? 2. Why do you want to start using a thick mixture of gas? 3. Carburetor when the main oil needle work? 4. When to raise the main needle and when to lower it