2008 YAMAHA WAVERUNNER FX CRUISER FX1100A HO SEAT SADDLE F1S-U371A-51-00 This seat is used. Please review all pictures before purchasing the item. Review the Title for an accurate product description. Genuine Yamaha seat saddle F1S-U371A-51-00. Made in Japan, this seat specifically came off a 2008 Yamaha Waverunner FX Cruiser FX1100A HO. For additional year compatibility check the fitment model.