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August 16, 2025 Service bulletin

Market specific battery introduction. purpose

Harley-Davidson technical service bulletin M1684 for 2007-2011, 2013-2019 Harley-Davidson Flhtcu, 2006-2025 Harley-Davidson FLHX and 2009-2024 Harley-Davidson Flhtk and others.

Bulletin number
M1684
Component
Electrical system
Summary
SERVICE BULLETIN M1684: MARKET SPECIFIC BATTERY INTRODUCTION. PURPOSE: Initial Release. This bulletin informs dealers of the availability of new batteries for new Original Equipment (OE) vehicle production and in the Parts and Accessories (P&A) catalog. Availability of the new Absorbed Glass Mat (AGM) batteries will vary by market and will be transitioning over the next few months. NOTE: The ring terminal screws are not compatible between Leoch and East Penn batteries. The new batteries will include new ring terminal screws, which must be used. The ring terminal screws from the old battery need to be discarded.

Owners of these vehicles have filed 449 complaints in the electrical category.

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