The Yuasa YTX20L-BS is the standard replacement battery for 1991-2025 Harley-Davidson Softail and Dyna models, matching the case size and terminal layout of the H-D 65989-97 series battery. It ships dry with a sealed acid pack, so the plates stay factory fresh until the day the battery goes into the bike.

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)
• Also fits Buell tube-frame models 1997-2002 and Victory models 1998-2017
• Replaces Harley-Davidson OEM battery 65989-97 series / 66000343A

Features

• 270 cold cranking amps and 18 Ah capacity
• Flush terminal design fits Harley-Davidson battery trays without spacers
• 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 YTX20L-BS battery, supplied dry
• Sealed electrolyte pack (0.93 L)
• Terminal bolt and nut 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: 270 CCA
• Dimensions: 6 7/8 x 3 7/16 x 6 1/8 in (175 x 87 x 155 mm)
• Weight: 13.9 lb filled