What Causes a Motorcycle to Stall at High Temperature Idle?

1 Answers
DiFinley
07/30/25 10:35am
Motorcycle stalling at high temperature idle is due to a fuel system malfunction. Fuel system malfunction: Check if the fuel in the tank is exhausted. If there is sufficient fuel, check whether the fuel switch is turned on. If equipped with a fuel pump, check whether the fuel pump is working properly. Then, disconnect the fuel line to check if there is fuel supply. Unscrew the carburetor drain screw to see if fuel flows out. If no fuel overflows, it indicates that the carburetor fuel passage is blocked and needs to be cleared. Simple troubleshooting method: First, turn the switch to the off position, then remove the fuel line connected to the tank switch. Blow hard into the fuel line with your mouth (or use a pump to blow air). The compressed air impact may clear the blocked fuel passage in the carburetor. If the fuel passage remains blocked, it indicates severe blockage, and the carburetor should be removed for thorough cleaning.
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