DescriptionVerify fitment with thread size (where applicable) and replacement number for proper fitment of machine..Some couplers may fit on both driveshaft and crankshaft ends..This item fits the following vehicle applications:compatible with Yamaha FA1800A WaveRunner FX Cruiser SHO 2013-2016compatible with Yamaha FB1800 WaveRunner FX HO 2012-2019compatible with Yamaha FB1800A WaveRunner FX Cruiser HO 2012-2019compatible with Yamaha FC1800 WaveRunner FX Cruiser SVHO 2016compatible with Yamaha FC1800 WaveRunner FX SVHO 2015-2019compatible with Yamaha FC1800A WaveRunner FX Cruiser SVHO 2014-2019compatible with Yamaha FC1800B WaveRunner FX Limited SVHO 2017-2019compatible with Yamaha FX1800 WaveRunner FX Cruiser SHO 2008-2012compatible with Yamaha FX1800 WaveRunner FX SHO 2008-2012compatible with Yamaha FY1800 WaveRunner FX HO 2009-2011compatible with Yamaha FY1800A WaveRunner FX Cruiser HO 2009-2011compatible with Yamaha GP1800 2017-2018compatible with Yamaha GX1800 WaveRunner FZR 2009-2016compatible with Yamaha GX1800A WaveRunner FZS 2009-2016compatible with Yamaha VX1800 WaveRunner VX Cruiser HO 2016-2018compatible with Yamaha VX1800AK WaveRunner VXR 2011-2019compatible with Yamaha VX1800K WaveRunner VXS 2011-2016compatible with Yamaha (Boats) RM1800 AR192 2013-2016compatible with Yamaha (Boats) RM1800 SX192 2013-2016compatible with Yamaha (Boats) RP1800 AR195 2017-2018compatible with Yamaha (Boats) RP1800 SX195 2017-2018compatible with Yamaha (Boats) RX1800 AR190 2012-2014compatible with Yamaha (Boats) RX1800 SX190 2012-2014compatible with Yamaha (Boats) SXT1800 242 Limited 2010-2014compatible with Yamaha (Boats) SXT1800 242 Limited S 2010-2014compatible with Yamaha (Boats) SXT1800 AR240 HO 2010-2014compatible with Yamaha (Boats) SXT1800 SX240 HO 2010-2014compatible with Yamaha (Boats) XAT1800 212SS 2012-2014compatible with Yamaha (Boats) XAT1800 2