Our spring breeze water-cooled scooters generally idle when they are cold, and get high when they are hot. What's the matter (the electronic thickening valve is not wired)?

If the electronic enrichment valve line is not connected, the carburetor enrichment valve (that is, the air valve) will always work and will not be closed when the car is hot, which will cause the mixture to be too rich. Under normal circumstances, getting off the bus should be hot, and there is no idling acceleration or even flameout, and it is also possible to emit black smoke. If the hot car is idling at high speed, it may be air leakage or the carburetor mixture is too thin.