When checking the idle mixture on a carburetor, the engine should be idling normally, then pull the mixture control toward the IDLE CUTOFF position. A correct idling mixture will be indicated by
发布于 2021-02-16 21:56:10
【单选题】 A an immediate decrease in RPM. B a decrease of 20 to 30 RPM before quitting. C an increase of 10 to 50 RPM before decreasing.
