What Causes a Motorcycle to Lose Power and Stall When Accelerating Uphill?

[DeAndres]

The reasons why a motorcycle loses power and stalls when accelerating uphill are: 1. Clogged main jet: During the idle period just after starting, the carburetor can only deliver combustible mixture to the cylinder head through the idle jet to maintain stable idling, which is caused by the main jet being blocked by the needle valve. 2. Insufficient mixture: When the throttle is opened wider, the intake air volume increases instantly, making the mixture in the cylinder head too lean, which prevents the engine's combustible mixture from burning continuously in a short time. Additional information: 1. Throttle: Also known as the "air valve" or "throttle valve," it is the control device that regulates the engine's power (thrust). 2. Function: In piston-type aircraft engines, the throttle controls the opening of the carburetor's throttle valve to regulate the cylinder's filling volume, thereby determining the engine's output power; in gas turbine engines, the throttle controls the metered fuel flow of the fuel regulator, thereby determining the thrust produced by the engine.