Harley-Davidson Fat Boy — Engine
High risk
Apr 30, 2026
Model years: 2025, 2026
On certain motorcycles and trikes (three-wheeled motorcycles), the airbox backplate breather port may be blocked. As a result, pressure could build inside the engine crankcase. If
Also affects: Harley-Davidson Breakout, Harley-Davidson Road Glide, Harley-Davidson Road Glide 3, Harley-Davidson Road Glide Limited, Harley-Davidson Street Glide
Harley-Davidson Fat Boy — Brakes
High risk
Dec 15, 2014
Model years: 2012
On certain motorcycles, the front brake master cylinder line connection threads may corrode, which could cause a brake fluid leak and a reduction in braking performance. If operate
Also affects: Harley-Davidson Dyna Wide Glide (Fxdwg), Harley-Davidson Softail Deluxe (Flstn), Harley-Davidson Softail Standard (Fxst), Harley-Davidson Dyna Low Rider (Fxdl), Harley-Davidson Dyna Super Glide Custom (Fxdc)