The Yuasa YTX20HL-BS is the high performance battery for American V-twins: the direct fit for 1991-2025 Harley-Davidson Softail and 1991-2017 Dyna models, and the OEM cross for 2014-2024 Thunderstroke and Challenger-platform Indians, whose factory battery 4081841 is itself a YTX20HL. It delivers 310 cold cranking amps, a 15 percent step up from the standard YTX20L-BS, in the same case.

Fitment

• Harley-Davidson Softail: 1991-2025, all models including Milwaukee-Eight
• Harley-Davidson Dyna: 1991-2017, all models
• Harley-Davidson Sportster: 1997-2003 (battery hold-down modification may be required)
• Indian Chief, Chief Vintage: 2014-2021; Chief, Chief Bobber, Super Chief: 2022-2024; Sport Chief: 2023-2024
• Indian Chieftain: 2014-2024, Roadmaster: 2015-2024, Springfield: 2016-2024
• Indian Challenger: 2020-2024, Pursuit: 2022-2024
• Also fits Buell tube-frame models 1997-2002 and Victory models 1998-2017
• Replaces Harley-Davidson OEM battery 65989-97 series / 66000343A
• Cross-references Indian OEM battery 4081841 / 4011814

Features

• 310 cold cranking amps and 18 Ah capacity, matching Harley-Davidson and Indian OEM output
• Flush terminal design fits Harley-Davidson and Indian battery trays
• Absorbed Glass Mat (AGM) separators make the battery nonspillable and eliminate water loss
• Advanced lead-calcium technology holds its specific gravity more than three times longer than conventional batteries
• Manufactured in Reading, Pennsylvania, USA

What's Included

• Yuasa YTX20HL-BS battery, supplied dry
• Sealed electrolyte pack (0.93 L)
• Terminal bolt, brass nut and spacer hardware kit

Installation Notes

Ships dry with a sealed acid pack. Fill with the supplied electrolyte, allow the battery to stand, then charge fully before first installation. Once filled and sealed the battery is permanently maintenance free.

Specifications

• Voltage: 12V
• Capacity: 18 Ah (10-HR)
• Cold cranking amps: 310 CCA
• Dimensions: 6 7/8 x 3 7/16 x 6 1/8 in (175 x 87 x 155 mm)
• Weight: 15.1 lb filled