SigmasTek STX12-BS Battery Replacement for Honda ATC250ES Big Red 250CC 1985-87
SigmasTek STX12-BS. Honda ATC250ES Big Red 1985-1987. Battery Buying Guide. This is aSigmasTekSTX12-BS Powersports Battery - a high performance AGM maintenance free powersports battery. Your job is already done - no more filling up with acid!