Here's a NEW, top quality, aftermarket rear axle for the 1998-1999 Yamaha YFM 350 FW 4x4 Big Bear, 1997 Yamaha YFM 350 FW Big Bear 4x4 SE Special Edition, 1999 Yamaha YFM 350 Big Bear 2x4, 1999 Yamaha YFM 400 Kodiak FW 4x4 four-wheelers. This axle features an anodized finish to prevent rust and is made to meet or exceed Yamaha OEM specifications. It replaces OEM part #4WU-25381-00-00 and is a direct fit with your stock hubs. Don't pay almost $700.00 from Yamaha, get this quality replacement part for a fraction of the price. We also offer the bearings and seals or other parts for the final drive, so please check out our store front or contact us to check on the pricing and availability. *THIS ONLY WORKS WITH THE 1997 YAMAHA YFM350 BIG BEAR SE Special Edition! IF you have the 1997 Yamaha YFM350 BIG BEAR that is NOT the SE, we sell that axle in another listing* This axle works with the following model ATVs: 1997 Yamaha ATV BIG BEAR 4WD SE YFM350FWBJ (4WU1) 1997 Yamaha ATV BIG BEAR 4WD SE YFM350FWBJ-MNH (4WU1) MAINE NEW HAMPSHIRE ONLY 1998 Yamaha ATV BIG BEAR 4X4 YFM350FWBK (4WU6) 1998 Yamaha ATV BIG BEAR 4X4 YFM350FWBKC CALIFORNIA (4WU5) 1999 Yamaha ATV BIG BEAR 2WD YFM350UBL (5FE1) 1999 Yamaha ATV BIG BEAR 2WD YFM350UBLC CALIFORNIA (5FE2) 1999 Yamaha ATV BIG BEAR 4X4 YFM350FWBL (5FT1) 1999 Yamaha ATV BIG BEAR 4X4 YFM350FWBLC CALIFORNIA (5FT2) 1999 Yamaha ATV BIG BEAR HUNTING 4X4 YFM350FHL (5FT6) 1999 Yamaha ATV BIG BEAR HUNTING 4X4 YFM350FHLC CALIFORNIA (5FT7) 1999 Yamaha ATV KODIAK 4WD YFM400FWL (5EH1) 1999 Yamaha ATV KODIAK 4WD YFM400FWLC CALIFORNIA (5EH2