What engine does the Sun 150adv scooter have?

[MargaretLynn]

Sun 150adv scooter is equipped with a four-valve engine. Four-valve engine: An engine with 2 intake valves and 2 exhaust valves is called a four-valve engine. Engine maintenance: Use high-quality engine oil: Engine oil, the lubricant for engines, serves functions such as lubrication, cleaning, cooling, sealing, and wear reduction. Only by using qualified lubricating oil can the wear of engine components be reduced, extending the service life. Therefore, it is important to always use high-quality engine oil and never substitute with inferior products or allow the engine to run low on oil. Use qualified coolant: The engine relies on the radiator for cooling, so it is essential to ensure the coolant level in the radiator remains normal and to choose high-quality coolant. The engine antifreeze should be replaced every year of driving.