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Service bulletins for the 2023 Harley-Davidson X350RA

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.

19 on file from NHTSA, as of 2026-10-19.

By type

By component

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
M16792026-04-08. Service bulletin. ENGINE; UNKNOWN OR OTHER. SERVICE BULLETIN M1679: AFTERMARKET EXHAUST HEADER DEBRIS. PURPOSE: Initial release. This bulletin informs dealers that Harley-Davidson has identified instances of premature engine failure due to abrasive particle wear, specifically from debris inside new aftermarket exhaust headers. Recent evaluations have identified that certain newly manufactured exhaust headers may contain residual hard particles that, if not removed prior to installation, can migrate through the engine system and cause accelerated component wear or severe mechanical damage.
M1705_Dealer Letter2026-01-09. Service bulletin. ENGINE; ELECTRICAL SYSTEM; STRUCTURE:BODY; VEHICLE SPEED CONTROL; FUEL/PROPULSION SYSTEM. SERVICE BULLETIN M1705: X350RA RETAIL CONVERSION KIT (DEALER COMMUNICATION LETTER). Guidelines: • Vehicles must be more than 2 years from SWR date in Riding Academy fleet service, and the manufacturer's warranty expired. • Retrofits that are defined in Service Bulletin M1705, X350RA Retail Conversion Kit MUST be completed prior to vehicle resale. • An updated refleet policy can be found in the H-D Riding Academy New Rider Course Operator’s Manual (exhibit A of your Operators Agreement, found on H-Dnet). Re-submit of ID 26MC11027547 to correct Communication Date.
M17052026-01-09. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM; ENGINE; VEHICLE SPEED CONTROL; STRUCTURE:BODY. SERVICE BULLETIN M1705: X350RA RETAIL CONVERSION KIT. This bulletin informs dealers the availability of a Rider Academy Parts and Accessories (P&A) Conversion Kit (Part No. 91800090). This kit allows dealers to convert the Riding Academy Harley-Davidson X350RA vehicles for customer retail sale. Refer to Isheet 94100747 which is an Attachment to this bulletin in Service Information Portal (SIP).
M1705_Dealer Letter2026-01-09. Service bulletin. STRUCTURE:BODY; UNKNOWN OR OTHER; VEHICLE SPEED CONTROL; ELECTRICAL SYSTEM; ENGINE. SERVICE BULLETIN M1705: X350RA RETAIL CONVERSION KIT (DEALER COMMUNICATION LETTER). Guidelines: • Vehicles must be more than 2 years from SWR date in Riding Academy fleet service, and the manufacturer's warranty expired. • Retrofits that are defined in Service Bulletin M1705, X350RA Retail Conversion Kit MUST be completed prior to vehicle resale. • An updated refleet policy can be found in the H-D Riding Academy New Rider Course Operator’s Manual (exhibit A of your Operators Agreement, found on H-Dnet).

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.