Made to exact OEM specifications Platinum Series Pistons are made of high strength hardened aluminum designed to prevent skirt and ring groove breakage The piston walls are treated with a nonabrasive coating which reduces heat and friction for added horsepower and greatly extends piston life Images are for reference purposes only Piston Size: 86.9mm +1 Piston Type: Cast Includes Wrist Pin Bearing: Yes Piston Over Bore Amount: 1mm Piston Skirt Coated: MoS2 Skirt Coating Oem Piston Bore Size: 85.9mm 2009 Yamaha WaveRunner FX Cruiser FX1800 SHO 2011 Yamaha WaveRunner FX Cruiser FX1800 SHO 2014 Yamaha WaveRunner FX FA1800 SHO 2012 Yamaha WaveRunner FX Cruiser FX1800 SHO 2014 Yamaha WaveRunner FX SVHO 2010 Yamaha WaveRunner FX FX1800 SHO 2013 Yamaha WaveRunner FX Cruiser FA1800A SHO 2012 Yamaha WaveRunner FX FX1800 SHO 2009 Yamaha WaveRunner FX FX1800 SHO 2014 Yamaha WaveRunner FX Cruiser FA1800A SHO 2011 Yamaha WaveRunner FX FX1800 SHO 2010 Yamaha WaveRunner FX Cruiser FX1800 SHO 2008 Yamaha WaveRunner FX FX1800 SHO 2014 Yamaha WaveRunner FX Cruiser SVHO 2013 Yamaha WaveRunner FX FA1800 SHO 2008 Yamaha WaveRunner FX Cruiser FX1800 SHO 2015 Yamaha WaveRunner FX Cruiser FA1800A SHO 2015 Yamaha WaveRunner FX FA1800 SHO 2015 Yamaha WaveRunner FX SVHO 2015 Yamaha WaveRunner FX Cruiser SVHO 2016 Yamaha WaveRunner FX FC1800 SVHO 2016 Yamaha WaveRunner FX Cruiser FA1800A SHO 2017 Yamaha WaveRunner FX Cruiser FC1800A SVHO 2017 Yamaha WaveRunner FX FC1800 SVHO 2018 Yamaha WaveRunner FX FC1800 SVHO