Wsm Piston Kit - 83.50 Mm - Yamaha 50-541-05K Yamaha -- Big Bear 400 -- (2003, 2004, 2010, 2012, 2005, 2009, 2006, 2008, 2000, 2007, 2011, 2002, 2001); Yamaha -- YFM 400 Kodiak -- (1994, 1999, 1997, 1993, 1995, 1998, 1996); Yamaha -- Big Bear 400 Exploring Edition IRS 4x4 -- (2007)
