FATSAC Yamaha Jet Boat Custom 25 - 850lb Ballast Bag - Grey [C1304]Yamaha Jet Boat Custom 25' 850lb Ballast Bag Grey Add 850lbs to the rear of your Yamaha with the FatSac Yamaha Jet Boats Custom for 25' Yamaha boat models. The FatSac High Yamaha Jet Boats Custom 25 FatSac is designed to be tied down to the swim platform step of your 25' Yamaha, adding 850lbs to the rear of your boat so you can get wake surfing. Fits 2017 and newer 25' Yamaha Boats Features: Adds 850lbs of Ballast Includes plug and W730 fitting for