Motorcycle Maintenance and Oil Information for 1999 Triumph Legend TT 900
Before you purchase oil for the 1999 Triumph Legend TT 900, compare the catalog match against the motorcycle’s service requirements. The right viscosity is only one consideration; the applicable oil standards and filling procedure also matter.
What type of engine oil does a 1999 Triumph Legend TT 900 need?
The listed engine-oil viscosity for this application is 10W-40. Products shown for this application include 10W-40 Synthetic Metric Motorcycle Oil. Confirm the manufacturer’s complete oil specification before using a listed product.
Which oil filter is listed for a 1999 Triumph Legend TT 900?
The oil-filter part numbers listed for this vehicle include 24941-EA.

