What is the problem of Jialing 125 motorcycle accelerator not returning?

There is a foreign object stuck in the throttle handle;

The throttle line is broken and stuck at the joint or corner;

The straight direction of the throttle line is unreasonable, with small angle bending and sticking;

Worn, aged, rusted, short of oil and frozen in water;

There is a foreign object stuck in the carburetor plunger or the plunger is deformed;

Failure of carburetor throttle return spring (such as fracture or torsion spring tripping).