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Service bulletin M1558

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 id10219040
Published by NHTSA2022-09-01
Manufacturer's numberM1558
Manufacturer's date2022-08-16
NHTSA componentUNKNOWN OR OTHER; ENGINE AND ENGINE COOLING

NHTSA's summary

SERVICE BULLETIN M1558: 2021-2022 PAN AMERICA LOWER RADIATOR HOSE ROUTING. PURPOSE: This bulletin informs dealers that Harley-Davidson wants to raise awareness of proper lower radiator hose routing and installation.

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

Vehicles listed
HARLEY-DAVIDSON RA12502021 to 2022
HARLEY-DAVIDSON RA1250S2021 to 2022
HARLEY-DAVIDSON RA9752022
HARLEY-DAVIDSON RA975S2022

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