No, using synthetic motorbike engine oil does not inherently damage a Harley-Davidson motorcycle. In fact, many Harley-Davidson motorcycles are compatible with synthetic oils and can benefit from their use.
Synthetic oils offer several advantages over conventional oils. They typically provide better lubrication, enhanced engine protection, and improved resistance to breakdown under high temperatures. These characteristics can be particularly beneficial for motorcycles, including Harley-Davidson models, which often have air-cooled engines that can generate higher operating temperatures.
Harley-Davidson has recognized the benefits of synthetic oils and recommends their use in their motorcycles. In fact, Harley-Davidson produces their own line of synthetic oils, specifically formulated for use in their motorcycles. These oils meet the requirements and specifications set by Harley-Davidson and are designed to provide optimal performance and protection for their engines.
It is worth noting that when switching from conventional oil to synthetic oil or vice versa, it is generally recommended to follow the manufacturer's guidelines and ensure that the oil chosen meets the specifications outlined in the owner's manual. Regular oil changes and using the appropriate viscosity and type of oil recommended by the manufacturer are crucial for maintaining the longevity and performance of any motorcycle, including Harley-Davidson models.