What's wrong with the air door anti-oil of four-stroke mowing mechanism?

Four-stroke lawn mower is a common small engine, which is used to drive lawn mower and other equipment. In normal operation, the throttle valve controls the air intake of the engine, while the throttle valve controls the engine speed. According to your description, the accelerator is refueled instead, which may lead to the following situations:

1. Incorrect position of air door: If the air door is installed or adjusted incorrectly, it may cause the air door to increase the air intake and make the engine suck in more air and fuel. This may be due to incorrect installation or adjustment of the damper control lever.

2. Throttle failure: Another possibility is that there is a throttle failure, and no matter where the throttle is, the oil supply cannot be accurately controlled. This may be due to damage to the throttle lever or throttle control system.

3. Mechanical failure: Finally, this situation may be caused by mechanical failure. For example, some parts may be worn or damaged, resulting in abnormal operation of the damper.

In view of this problem, I suggest you check the shock absorber and throttle system to ensure that they are installed correctly and adjusted correctly. If you are not familiar with the maintenance process, you'd better find an experienced professional technician to help you diagnose the maintenance problem. Please remember that in order to ensure safety and keep the engine in the best condition, it is best for professionals to carry out maintenance and repair.