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Service bulletin M1544

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 id10227218
Published by NHTSA2022-12-06
Manufacturer's numberM1544
Manufacturer's date2022-11-30
NHTSA componentPOWER TRAIN; ENGINE AND ENGINE COOLING; UNKNOWN OR OTHER

NHTSA's summary

SERVICE BULLETIN M1544: 2021 TOURING AND TRIKE MECHANICAL CLUTCH CABLE. PURPOSE: Revised. This bulletin informs dealers that Harley-Davidson has identified the proper way to handle the cable during external free-play adjustment and to secure the cable lock button. Includes 2021 and Later CVO, Police, Touring, and Trike Models. This is for informational purposes only or a technical tip.

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

Engine, Transmission and driveline

Vehicles listed
HARLEY-DAVIDSON FLH2021
HARLEY-DAVIDSON FLHP2021 to 2022
HARLEY-DAVIDSON FLHR2021 to 2022
HARLEY-DAVIDSON FLHRXS2021 to 2022
HARLEY-DAVIDSON FLHT2021 to 2022
HARLEY-DAVIDSON FLHTCUTG2021 to 2022
HARLEY-DAVIDSON FLHTCUTGSE2021 to 2022
HARLEY-DAVIDSON FLHTK2021 to 2022
HARLEY-DAVIDSON FLHTK SHRINE2021 to 2022
HARLEY-DAVIDSON FLHTKSE2021
HARLEY-DAVIDSON FLHTP2021 to 2022
HARLEY-DAVIDSON FLHX2021 to 2022
HARLEY-DAVIDSON FLHXS2021 to 2022
HARLEY-DAVIDSON FLHXSE2021 to 2022
HARLEY-DAVIDSON FLHXST2022
HARLEY-DAVIDSON FLRT2021 to 2022
HARLEY-DAVIDSON FLTRK2021 to 2022
HARLEY-DAVIDSON FLTRKSE2022
HARLEY-DAVIDSON FLTRX2021 to 2022
HARLEY-DAVIDSON FLTRXS2021 to 2022
HARLEY-DAVIDSON FLTRXSE2021 to 2022
HARLEY-DAVIDSON FLTRXST2022

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