What are the effects of insufficient motorcycle engine oil?

[MiaFitz]

Insufficient engine oil in a motorcycle primarily leads to increased wear, reduced cooling performance, poor cleanliness, compromised sealing, inferior rust prevention, and diminished vibration damping. 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 bush. To prevent excessive wear on parts, an oil film must be established between the two sliding surfaces. A sufficiently thick oil film separates the surfaces of relatively sliding parts, thereby reducing wear. 2. Cooling: Engine oil carries heat back to the oil tank and then dissipates it into the air, assisting the radiator in cooling the engine. 3. Cleaning: High-quality engine oil can carry carbon deposits, sludge, and worn metal particles from engine parts back to the oil tank through circulation. The flow of the lubricating oil washes away dirt generated on the working surfaces of the components.