For a Honda Aviator 110cc scooter, it is recommended to use the engine oil that meets the specifications provided by the manufacturer. The specific oil grade and type suitable for the Aviator can be found in the owner's manual or by contacting a Honda authorized service center.
Typically, Honda recommends using a 4-stroke motorcycle engine oil that meets the API (American Petroleum Institute) classification of SJ or higher. Additionally, the oil should have the JASO (Japanese Automotive Standards Organization) MA or MA2 specification, which indicates that it is suitable for use in wet clutch systems commonly found in motorcycles and scooters.
It is important to use the correct viscosity grade as specified by Honda for optimal engine performance and protection. Common viscosity grades for small 4-stroke engines like the Honda Aviator 110cc are 10W-30 or 10W-40.
To ensure the best performance and longevity of your engine, it is recommended to use high-quality engine oils from reputable brands that meet the manufacturer's specifications. If you are unsure about the specific engine oil for your Honda Aviator, it is always best to consult with a Honda authorized service center or refer to the owner's manual for accurate and up-to-date information.