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Service bulletin 1HD-L9F4N-11

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 id10147408
Published by NHTSA2018-11-13
Manufacturer's number1HD-L9F4N-11
Manufacturer's date2018-10-03
NHTSA componentSTEERING

NHTSA's summary

SERVICE BULLETIN M1466: STREET - UPPER STEERING HEAD BEARING SEAL. REVISION. Purpose: This bulletin informs dealers that Harley-Davidson has developed a new upper steering head bearing seal for fitment on Street models. The new seal replaces the current seal on the upper steering head bearing only. The lower steering head bearing seal will still use the current seal. Current service procedures and specifications remain the same.

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

Steering

Vehicles listed
HARLEY-DAVIDSON FLSL2018
HARLEY-DAVIDSON FLSTN2018
HARLEY-DAVIDSON XG5002015 to 2018
HARLEY-DAVIDSON XG7502015 to 2018
HARLEY-DAVIDSON XG750A2017 to 2018

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