The 1986 Yamaha Maxim motorcycle requires SAE 10W-40 motor oil. This oil meets the viscosity and performance requirements specified by Yamaha for this motorcycle. It is important to use the correct type of oil to ensure the proper functioning and longevity of the engine.
SAE 10W-40 is a multi-grade oil, which means that it has a wide range of viscosities that are suitable for use in a variety of temperatures. The "10W" part of the name indicates the oil's viscosity at low temperatures, while the "40" part indicates its viscosity at high temperatures.
The "W" in SAE 10W-40 stands for "winter," and it indicates that this oil is suitable for use in cold weather conditions. The "40" part indicates that this oil is also suitable for use in warm weather conditions.
