For a Yamaha FZ V2 motorcycle, it is recommended to use the engine oil that meets the specifications provided by Yamaha. The specific oil grade and viscosity may vary depending on the climate and riding conditions. To ensure smooth engine performance and gear shifting, you should refer to the owner's manual or consult a Yamaha dealer for the recommended engine oil.
Typically, Yamaha motorcycles, including the FZ series, require engine oils that meet certain standards such as API (American Petroleum Institute) classification and JASO (Japanese Automotive Standards Organization) specifications. The owner's manual or Yamaha's official website should provide the specific details regarding the recommended oil grade, viscosity, and any additional requirements for your Yamaha FZ V2.
It's important to use high-quality engine oil and follow the manufacturer's recommendations for oil change intervals to maintain optimal engine performance and smooth gear shifting. Regular oil changes and using the correct oil will help ensure the longevity and reliability of your Yamaha FZ V2.