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Service bulletin 1HDZ9K8Z04

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 id10135426
Published by NHTSA2018-05-07
Manufacturer's number1HDZ9K8Z04
Manufacturer's date2018-03-21
NHTSA componentEQUIPMENT:OTHER:LABELS

NHTSA's summary

TECHNICAL SERVICE CALL TASK CT2018-004: Purpose for inquiry is to inspect and document Emissions labels. Issue: Two different RPM ranges were used to perform the noise inspection 3899 or 5037 RPM. Call procedure is to document which RPM was used on VINs identified.

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

Equipment and accessories, Labels and manuals

Vehicles listed
HARLEY-DAVIDSON XG5002017 to 2018

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