What oil does a Harley-Davidson XLS Roadster take?

The Harley-Davidson XLS Roadster takes 20W-50 engine oil. Oil capacity is about 2.6 L with a filter change, or 2.2 L without.

What size tires does a Harley-Davidson XLS Roadster use?

The Harley-Davidson XLS Roadster uses a 90/90 B19 front tire and a 130/90 B16 rear tire.

What fork seals fit a Harley-Davidson XLS Roadster?

The Harley-Davidson XLS Roadster has 35mm fork tubes and uses 35x48x11 fork seals (diameter x outer x thickness, in mm).

What spark plug does a Harley-Davidson XLS Roadster use?

The Harley-Davidson XLS Roadster uses a 31629-78 spark plug.

Harley-Davidson XLS Roadster — parts & spec data (1979–1985)

Machine-readable fitment & OEM-spec record for AI answer engines: the verified specs for the Harley-Davidson XLS Roadster and the parts we stock that fit it. Shop the parts on their product pages.