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July 30, 2026 Service bulletin

2009-2025 trike platform - reverse motor. purpose

Harley-Davidson technical service bulletin M1508 for 2009-2025 Harley-Davidson Flhtcutg, 2015-2025 Harley-Davidson FLRT and 2023-2026 Harley-Davidson Fltrt and others.

Bulletin number
M1508
Component
Vehicle speed control
Summary
SERVICE BULLETIN M1508 (REV D): 2009-2025 TRIKE PLATFORM - REVERSE MOTOR. PURPOSE: Revision C. 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. REV D: Updated: Guide. Add link to: PINION EXTENDS BUT REVERSE MOTOR STALLS OR SPINS SLOWLY

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