Order Includes: 1x Starter Clutch Gear Idler Bearing Kit Compatible With Yamaha: Big Bear 350 YFM350 2x2 1999, Big Bear 350 YFM350FW 4x4 1997-1999, Big Bear 400 YFM400 2x2 2000-2004, Big Bear 400 YFM400F 4x4 2000-2012, Big Bear 400 YFM400FB 4x4 IRS 2007, Big Bear 400 YFM400FB IRS 2007 Part Numbers: 4KB-15512-00-00, 93310-212R6-00, 4KB-15521-01-00 Dimensions:Length: 19.9 mm - 0.78 in, Inner Diameter: 16 mm - 0.62 in, Outer Diameter: 28.85 mm - 1.13 in We strongly suggest comparing the posted picture to the unit(s) that needs to be replaced. Compatible with Yamaha models:
Big Bear 350 YFM350 2x2 1999
Big Bear 350 YFM350FW 4x4 1997-1999
Big Bear 400 YFM400 2x2 2000-2004
Big Bear 400 YFM400F 4x4 2000-2012
Big Bear 400 YFM400FB 4x4 IRS 2007
Big Bear 400 YFM400FB IRS 2007
Big Bear 400 YFM400FB IRS Exploring 2007
Big Bear 400 YFM400FBH 4x4 Hunter 2008-2012
Big Bear 400 YFM400FBH 4x4 Hunter IRS 2007
Kodiak 400 YFM400FW 4x4 1999
TimberWolf 350 YFM350FW 1997
Wolverine 350 YFM350FX 4x4 1995-2005

Part Numbers:
4KB-15512-00-00
93310-212R6-00
4KB-15521-01-00

Dimensions and Measurements:
Length: 19.9 mm - 0.78 in
Inner Diameter: 16 mm - 0.62 in
Outer Diameter: 28.85 mm - 1.13 in