What symptoms will appear when the clip on the main oil needle of motorcycle carburetor is broken? What are the symptoms when the plunger in the carburetor is broken?

If the clamp on the main oil needle of motorcycle carburetor breaks, it will cause the oil needle to move up and down and affect the oil supply. There may be many faults such as unstable operation, failure to add the throttle and black smoke from the exhaust pipe. If the clamp falls off, these faults are basically the same, but they may be more serious, and the most serious is flameout.

If the plunger on the carburetor of motorcycle is broken, it will generally cause the plunger to be too tight or stuck in the carburetor. After the throttle is turned off, the engine speed cannot be reduced and the throttle cannot be added.