Motorcycle Maintenance and Oil Information for 1999 BSA Gold 500
An engine-oil service on the 1999 BSA Gold 500 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 kind of oil does a 1999 BSA Gold 500 take?
The motorcycle oil listings identify 10W-40 as the engine-oil viscosity. Products shown for this application include 10W-40 Synthetic Metric Motorcycle Oil. Confirm the manufacturer’s complete oil specification before using a listed product.

