Description:

Order Includes: 1x Cylinder Kit, 1x Piston, 3x Gaskets, 1x Piston Ring Set. Compatible with Yamaha models: Big Bear 400 YFM400F 4x4 2000-2012. Part Number: Cylinder Kit: 5FU-11310-01-00, 5FU-11310-00-00 / Piston: 4GB-11631-00-Y0, 4GB-11638-00-00. Dimensions & Measurements: Cylinder Kit: Height: 126.7 mm 4.98 ", Length: 192.4 mm 7.57 ", Width: 184.6 mm 7.26 ", Bore Size: 82.75 mm 3.25 " Piston: 57.5 mm 2.26 ". We strongly suggest comparing the posted picture to the unit(s) that needs to be replaced..