For the Yamaha FZ 25, the manufacturer recommends using Yamalube 10W-40 engine oil. Yamalube is Yamaha's proprietary brand of lubricants specifically formulated for their motorcycles, including the FZ series.
Yamalube 10W-40 is a high-quality, mineral-based oil that provides excellent lubrication and protection for the engine's components. It is designed to meet the specific requirements of Yamaha engines, ensuring optimal performance and longevity.
When choosing engine oil for your motorcycle, it's crucial to follow the manufacturer's recommendations and specifications. Using the recommended oil helps maintain the proper lubrication, temperature control, and overall performance of your motorcycle's engine.
Always refer to your Yamaha FZ 25 owner's manual or consult with a Yamaha dealership or authorized service center for the most accurate and up-to-date information regarding the recommended engine oil for your specific model.