The Yuasa GYZ20HL is the top-tier battery for the Softail, Dyna, V-Rod and Indian Thunderstroke platforms. The GYZ series uses taller plates, thru-partition construction and enhanced active material to push output to 320 cold cranking amps and 20 Ah, the strongest battery Yuasa builds in this case size, with heavy-duty flush terminals and built-in brass nuts.

Fitment

• Harley-Davidson Softail: 1991-2025, all models including Milwaukee-Eight
• Harley-Davidson Dyna: 1991-2017, all models
• Harley-Davidson V-Rod (VRSC): 2007-2017
• Harley-Davidson Pan America: 2024-2025
• Indian Chief, Chief Vintage: 2014-2021; Chieftain: 2014-2024; Roadmaster: 2015-2024; Springfield: 2016-2024
• Replaces Harley-Davidson OEM battery 65989-97 series / 66000343A
• Cross-references Indian OEM battery 4081841 / 4011814

Features

• 320 cold cranking amps and 20 Ah capacity, the highest output in the 20-class case
• Large heavy-duty flush terminals with built-in brass nuts allow front and top connections
• Thru-partition construction shortens the current path for more cranking power
• Enhanced active material compounded to withstand vibration and extend service life
• Factory activated, sealed and shipped ready to install
• Manufactured in Reading, Pennsylvania, USA

What's Included

• Yuasa GYZ20HL battery, factory activated
• Terminal bolt and lock washer hardware kit

Installation Notes

Factory activated at the plant, sealed and ready to install with no acid handling. Top off with a charge before installation if the battery has been in storage, and charge once a month when not in service.

Specifications

• Voltage: 12V
• Capacity: 20 Ah (10-HR)
• Cold cranking amps: 320 CCA
• Dimensions: 6 7/8 x 3 7/16 x 6 1/8 in (175 x 87 x 155 mm)
• Weight: 15.7 lb