Wsm Piston Kit - 83.75 Mm - Yamaha 50-541-06K Yamaha -- Big Bear 400 Exploring Edition IRS 4x4 -- (2007); Yamaha -- Big Bear 400 -- (2010, 2012, 2004, 2003, 2011, 2000, 2007, 2005, 2009, 2001, 2002, 2006, 2008); Yamaha -- YFM 400 Kodiak -- (1998, 1997, 1999, 1996, 1993, 1995, 1994)
