First of all, it depends on the ratio of oil to gasoline. If it exceeds 1:30, there will be symptoms of smoke and insufficient horsepower. No matter whether the added engine oil is lubricating engine oil or combustion engine oil, if it is combustion engine oil, it is not afraid to add too much, and it can be used continuously after dilution; If it's lubricating oil, just take out some stoves in winter.
Lawn mower is also called lawn mower, lawn mower, lawn mower, etc. A lawn mower is a mechanical tool for mowing lawns and vegetation, which consists of a cutter head, an engine, a traveling wheel, a traveling mechanism, blades, handrails and a control part.
The cutter head is installed on the traveling wheel, and the cutter head is equipped with an engine, and the output shaft of the engine is equipped with a blade. The high-speed rotation of the engine greatly improves the speed of the blade, saves the working time of weeding workers and reduces a lot of human resources.
Supplement:
Since 1805. At that time, the lawn mower was human and had no power support. 1805, British Plucknett invented the first machine that can harvest grain and mow grass. The machine is driven by people, and the rotary knife is driven by gear to cut grass. This is the prototype of the lawn mower. 1830, British textile engineer Bill Pudding obtained a patent for the drum mower.