Motorcycle Maintenance and Oil Information for 1990 Yamaha SR 125
An engine-oil service on the 1990 Yamaha SR 125 calls for more than a product match. Identify the correct oil requirement for this particular motorcycle, then follow the prescribed drain, refill, and final level-check steps.
What type of engine oil does a 1990 Yamaha SR 125 need?
For this motorcycle, the catalog shows 15W-50 among its engine-oil grades. Products shown for this application include 15W-50 Synthetic Metric Motorcycle Oil. Confirm the manufacturer’s complete oil specification before using a listed product.
