Yes, it is generally recommended to change the motor oil in a motorcycle after it has been in winter storage. There are a few reasons for this recommendation:
Contaminants: Over time, motor oil can accumulate contaminants such as moisture, fuel, and combustion by-products. These contaminants can be harmful to the engine if left in the oil for an extended period. Changing the oil after winter storage helps remove these contaminants and ensures the engine is protected.
Oil Breakdown: Motor oil can degrade and break down over time, even when the motorcycle is not in use. Factors like temperature changes, moisture, and chemical reactions can contribute to the degradation of oil. Fresh oil provides better lubrication and protection for the engine.
Preparation for Riding: Changing the oil before using the motorcycle after winter storage is a good practice to ensure the engine is properly lubricated and ready for the riding season. It allows you to start the season with fresh, clean oil that will provide optimal lubrication and protection for the engine.
When changing the oil, it's also a good idea to replace the oil filter. The oil filter can accumulate contaminants as well, and a fresh filter will help maintain the cleanliness of the new oil.
It's important to consult your motorcycle's owner's manual for specific guidelines and recommendations regarding oil change intervals and procedures. The manufacturer's recommendations may vary based on the motorcycle model and other factors.