Piston Kit – Yamaha YFM / YFB 250 – STD Timberwolf – Beartracker – Bruin

Piston Kit – Standard – Yamaha – YFM/YFB 250 Oem Replacement 4BD-11631-00-Y0 Quality ProductFits Models YFM 250 1989 – 2001 YFB 250  1989 – 2001 YFM 250  2005 – 2006