How to clean the carbon deposit in the valve and cylinder of small engine

Drivers with strong hands-on ability can try cleaning by themselves as follows:

These "carbon deposits" on the throttle mainly come from three aspects:

1, the air filter did not filter the dirt completely;

2. Sludge produced by oil-gas condensation of engine oil;

3. Oil sludge formed by incomplete combustion of gasoline during combustion.

Extended data

The working conditions of the valve are very bad.

First of all, the valve is in direct contact with high-temperature gas, which is seriously heated and difficult to dissipate heat, so the valve temperature is very high;

Secondly, the valve bears the action of gas force and valve spring force, and the valve is impacted by the inertia force of the moving parts of the valve train when it is seated;

Thirdly, the valve opens and closes at a high speed under the condition of poor lubrication, and makes high-speed reciprocating motion in the valve guide; In addition, the valve is corroded due to contact with corrosive gas in high temperature gas.

Reference link: Valve Group-Baidu Encyclopedia