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April 18, 2025 Warranty extension

Battery warranty guidelines. purpose

Harley-Davidson technical service bulletin M1555 for 2018-2019 Harley-Davidson Flhtcu, 2018-2025 Harley-Davidson FLHX and 2018-2024 Harley-Davidson Flhtk and others.

Bulletin number
M1555
Component
Unknown or other
Summary
SERVICE BULLETIN M1555 (REV H): BATTERY WARRANTY GUIDELINES. PURPOSE: This bulletin informs the dealership network that Harley-Davidson has provided guidelines for battery warranty. REV H. Update section headers: AGM and Lithium-Iron Phosphate Batteries. Add graphics and callouts. Updated: Information on Battery.

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