Service bulletin M1508

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.

NHTSA's summary

SERVICE BULLETIN M1508 (REV B): 2009-2025 TRIKE PLATFORM - REVERSE MOTOR. PURPOSE:To inform dealers of a running change for the new reverse motor (Part No. 83388-09C) for Trike models. As of January 28, 2020 all Trike platform vehicles will be manufactured using the new reverse motor. The new reverse motor will be used to replace reverse motor assemblies (Part No. 83388-09,83388-09A,83388-09B) that have failed diagnostics. Refer to Table 3. This motor contains several improvements for better motor durability. A new procedure has been added, Refer to PINION EXTENDS BUT REVERSE MOTOR STALLS OR SPINS SLOWLY. Revision A. Released 1-2-2025. Added section: PINION EXTENDS BUT REVERSE MOTOR STALLS OR SPINS SLOWLY. Added: PINION EXTENDS BUT REVERSE MOTOR STALLS OR SPINS SLOWLY. Revision B. Release 1-3-2025. Added 2025 models. Updated: Motorcycles Affected.

The document

• NHTSA's copy of the document (PDF)
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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

Electrical system, Fuel system

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

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