DB Electrical SMU9112 Starter Rebuild Kit for Yamaha ATV Big Bear 350 400 4WD 2WD YFM400 YFM350FW YFM400F, Kodiak 400 4WD YFM400FW, Wolverine 350 YFM350FX / 100% New aftermarket unit built to meet OEM specifications 1-year warranty protects you after your purchase Factory direct pricing with no middleman markup delivers exceptional value