Motorcycle Maintenance and Oil Information for 2009 Yamaha YN 50
For the 2009 Yamaha YN 50, the product catalog provides a starting point when choosing a lubricant. Before servicing the engine, verify the complete manufacturer specification and the procedure used to check the final oil level.
What kind of engine oil does a 2009 Yamaha YN 50 need?
In the product lookup for this model, 15W-50 is the engine-oil grade shown. Products shown for this application include 15W-50 Synthetic Metric Motorcycle Oil. Check the owner’s manual for any additional oil requirements beyond the listed viscosity.
How much oil does a 2009 Yamaha YN 50 take?
The listed engine-oil capacity for this vehicle is 1.59 quarts.

