The Harley-Davidson FX/FXR (1985) is a Powersports system that requires a 12V 18Ah SLA replacement battery. The compatible Universal Power Group replacement is the Yuasa YTX20-BS 12V 18.0Ah Powersports Battery (YTX20-BS), a 12V 18Ah SLA sealed lead-acid battery. This battery delivers up to 87 watts of standby power. It uses Bolt terminals, and measures 175 L x 155 H mm. This is a direct drop-in replacement for the Harley-Davidson FX/FXR (1985) requiring no modification to the device.
