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Amazon.com: UB-YTX20L-BS Battery Replacement for 2000 Yamaha YFM40FB Big Bear 400 CC ATV - Factory Activated, Maintenance Free, Motorcycle Battery - 12V, 18AH, UpStart Battery Brand : Automotive
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Full Spectrum Yamaha 400 YFM400FB Big Bear 00-12 Pulse IPT Lithium Battery - Maximum Power - Sportbike Track Gear
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