When does the engine need to adjust the valve (how to adjust the valve)

When does the engine need to adjust the valve (how)? The method of adjusting the engine valve is as follows:

1. Cylinder-by-cylinder adjustment method: firstly, loosen the adjustment screw, turn the screw shaft with a screwdriver, and then tighten the screw to adjust the clearance between the intake and exhaust valves;

2. Twice adjustment method. When adjusting, while screwing the adjusting screw, insert the thickness gauge between the valve stem end and the rocker arm and pull it back and forth to feel slight resistance. Throttle is a controllable valve that controls air to enter the engine. After the air enters the intake pipe, it will be mixed with gasoline to form a combustible mixture, and the combustion is successful. The throttle valve is connected with the air filter and the engine block, which is called the throat of the automobile engine.

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