The Yuasa YTX20-BS is the sealed AGM replacement for the YB16-B-CX conventional battery used across 1979-1996 Harley-Davidson Sportster, 1984-1990 Softail and FXR models. It ends the acid checks and terminal corrosion of the original flooded battery while adding cranking power.

Fitment

• Harley-Davidson Sportster (XL/XLH): 1979-1996, including XLH883, XLH1100 and XLH1200
• Harley-Davidson Softail (FXST/FLST): 1984-1990, including Heritage Softail, Springer Softail and 1990 Fat Boy
• Harley-Davidson FXR and FX Series: 1979-1994 (FXR, FXRS, FXRT, FXLR and related models)
• Replaces Harley-Davidson OEM battery 65991-82 / YB16-B-CX

Features

• 270 cold cranking amps and 18 Ah capacity
• Sealed AGM upgrade over the original YB16-B-CX flooded battery
• Minor hold-down modification may be required in some 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 YTX20-BS battery, supplied dry
• Sealed electrolyte pack (0.93 L)
• Terminal bolt, nut and brass 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: 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