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Service bulletin M1686

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11019403
Published by NHTSA2025-06-07
Manufacturer's numberM1686
Manufacturer's date2025-05-09
NHTSA componentUNKNOWN OR OTHER; STRUCTURE:BODY; FUEL/PROPULSION SYSTEM

NHTSA's summary

SERVICE BULLETIN M1686: 2025 FAT BOY GRAY GHOST (FLSTFI) PAINT SURFACE CARE. PURPOSE: Initial release. This bulletin informs dealers that the PVD painted vehicle surfaces on the 2025 Fat Boy Gray Ghost (FLSTFI) require special awareness and attention for care and cleaning. The Fat Boy Gray Ghost (FLSTFI) rear fender, fuel tank and front fender are PVD painted surfaces. DO NOT TREAT THESE COMPONENTS AS CHROME. Figure 1 illustrates PVD Painted Surfaces. Physical Vapor Deposition (PVD) coatings are thin film coatings where a solid material is vaporized in a vacuum chamber and deposited onto a target material. It is used to change the surface properties of the object to be coated, where new mechanical, chemical, electrical or optical characteristics are needed.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Body and frame, Fuel system

Vehicles listed
HARLEY-DAVIDSON FLSTFI2006

Listing a model year does not mean every vehicle of it is concerned: the document says which.