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What oil does the NK250 use?

1 Answers

ErinAnn

07/30/25 8:17am

10w40 oil is recommended. Below are the main functions of engine oil: 1. Lubrication and wear reduction: There is rapid relative sliding between the piston and cylinder, as well as between the main shaft and bearing shells. To prevent excessive wear of parts, an oil film needs to be established between the two sliding surfaces. A sufficiently thick oil film separates the surfaces of the relatively sliding parts, thereby reducing wear. 2. Cooling: Engine oil can carry heat back to the oil tank and then dissipate it into the air, helping the radiator to cool the engine. High-quality engine oil can carry carbon deposits, sludge, and worn metal particles from engine parts back to the oil tank through circulation, flushing away contaminants generated on the working surfaces of components through the flow of the lubricating oil.

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