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Service bulletin M1584

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 id10235271
Published by NHTSA2023-05-02
Manufacturer's numberM1584
Manufacturer's date2023-04-18
NHTSA componentSERVICE BRAKES, HYDRAULIC; SUSPENSION

NHTSA's summary

SERVICE BULLETIN M1584: X350 RA AND X 350 INCORRECT FORK LOWERS. PURPOSE: This bulletin informs dealers that Harley-Davidson has identified the potential for an incorrect fork lower on the X350 RA and X 350 which could cause excessive wear on the front brake pads due to insufficient contact of brake pad to brake rotor. Vehicles Affected 2023: X350 RA (LWZX350RA), X 350 (HD350-10). Markets Affected: United States and China.

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

Brakes, Suspension

Vehicles listed
HARLEY-DAVIDSON X350RA2023

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

Other bulletins for the same vehicles and component
M16642025-02-08. Service bulletin. SERVICE BULLETIN M1664: X 350, X350 RA AND X500 - DIAGNOSTIC CODES AND ABS SERVICING. PURPOSE: This bulletin advises dealer technicians on the correct procedure to access diagnostic trouble codes from the Electronic Control Module (ECM) and when performing Anti-lock Braking System (ABS) service. This procedure is not currently in the service manual but will be updated in the future. NOTE: The X Series of vehicles does not use Harley-Davidson Digital Technician II (DT II).