1. Refueling with circulating oil or blending with different quality oils
2, the selected lubricant has a higher viscosity
3, one-way flow control valve or ventilation hose is damaged and arbitrarily removed
4, large capacity battery life is long
5, add electrolyte at will
6, just increase the terminal voltage of the generator
7. Long-term short circuit of air filter or free replacement of filter elements of different specifications
8, often in high power, high temperature state
9. The lubrication or replacement of the lubricating oil in the high pressure oil pump is unreasonable.
10, injector injection pressure adjustment is too high
11. Remove the air vapor valve on the radiator at will.
12, free to replace the spark plug
Improper use of internal combustion engines.
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