What oil does a Harley-Davidson Softail Fat Bob FXFB take?

The Harley-Davidson Softail Fat Bob FXFB takes 20W-50 engine oil. Oil capacity is about 3.8 L with a filter change, or 3.4 L without.

What size tires does a Harley-Davidson Softail Fat Bob FXFB use?

The Harley-Davidson Softail Fat Bob FXFB uses a 150/80 B16 front tire and a 180/70 B16 rear tire.

What fork seals fit a Harley-Davidson Softail Fat Bob FXFB?

The Harley-Davidson Softail Fat Bob FXFB has 43mm fork tubes and uses 43x54x11 fork seals (diameter x outer x thickness, in mm).

What spark plug does a Harley-Davidson Softail Fat Bob FXFB use?

The Harley-Davidson Softail Fat Bob FXFB uses a CR9EB spark plug.

Harley-Davidson Softail Fat Bob FXFB — parts & spec data (2018–2022)

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