{"product_id":"fatsac-yamaha-jet-boat-21-custom-ballast-bag-725-lbs-grey","title":"FATSAC Yamaha Jet Boat 21' Custom Ballast Bag - 725 lbs - Grey","description":"\u003ch1\u003eFATSAC Yamaha Jet Boat 21' Custom Ballast Bag - 725 lbs - Grey\u003c\/h1\u003e\n\u003chr\u003e\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe FATSAC Yamaha Jet Boat 21' Custom Ballast Bag is purpose-built to fit the swim deck of 21' and 20' 6\" Yamaha Jet Boats, delivering a precise 725-pound ballast load for optimal wake performance. Engineered as a semi-custom fit, this grey PVC bag is designed to sit securely in place when properly installed and filled, giving riders the added weight they need for surfing and wakeboarding behind their Yamaha vessel.\u003c\/p\u003e\n\u003cp\u003eAll necessary fittings are included right out of the box, so you can get on the water without hunting down additional hardware. FATSAC's reputation for durable, performance-grade ballast bags is backed by this rugged construction - featuring welded PVC cleats and a thoughtfully designed filling system. Follow the included instructions and QR code video guides carefully to ensure a safe, warranty-backed installation every time.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYamaha-Specific Fit:\u003c\/strong\u003e Designed exclusively for the 21' Yamaha Jet Boat swim deck, compatible with 21' and 20' 6\" models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e725 lb Ballast Capacity:\u003c\/strong\u003e Delivers 725 pounds of water weight to enhance wake size and shape for surfing and wakeboarding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions - 35\" x 30\" x 26\":\u003c\/strong\u003e Precisely sized to sit flush and secure on the Yamaha swim deck when filled correctly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll Fittings Included:\u003c\/strong\u003e Comes with W730, 2x W731, and W749 fittings - no additional hardware required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 Welded PVC Cleats:\u003c\/strong\u003e Heavy-duty welded cleats on the bag allow for secure rope attachment to keep the bag locked in place.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with S7090 Fill\/Empty Pump:\u003c\/strong\u003e Works with the FATSAC S7090 pump system to fill and drain the bag (pump sold separately).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMust Fill 100% with Water:\u003c\/strong\u003e Bag must be completely full to perform safely - partial filling can cause shifting, bag damage, and warranty void.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRope Securing System:\u003c\/strong\u003e Requires a 12' or longer rope routed through cleats and handles on both the top and bottom of the bag for proper securing - see FATSAC M1028 dock line.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir Bleed Valve:\u003c\/strong\u003e Fill with air first to position the bag, then pump with water and use the air release to purge all air for a complete, safe fill.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrey Finish:\u003c\/strong\u003e Clean, neutral grey colorway designed to complement Yamaha Jet Boat aesthetics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eShipping\u003c\/h2\u003e\n\u003cp\u003eShips free! Please email us at service@omahasportsandgames.com for a delivery ETA or to confirm shipping details.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFATSAC Yamaha Jet Boat 21' Custom Ballast Bag (Grey)\u003c\/li\u003e\n\u003cli\u003eW730 fitting\u003c\/li\u003e\n\u003cli\u003eW731 fittings (x2)\u003c\/li\u003e\n\u003cli\u003eW749 fitting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eWhy You'll Love It\u003c\/h2\u003e\n\u003cp\u003eFATSAC has been a trusted name in wake ballast for years, and this custom bag is a prime example of why serious watersports enthusiasts rely on their products. The semi-custom fit for Yamaha Jet Boats means you're not wrestling with a generic sack that shifts and slips - this bag is made for your specific boat. With 725 pounds of ballast capacity, you'll notice a real difference in your wake size, giving surfers and wakeboarders more to work with on every run.\u003c\/p\u003e\n\u003cp\u003eThe included fitting hardware and detailed instruction videos make setup straightforward, even for first-time ballast users. Built from durable PVC with welded cleats, this bag is engineered to hold up season after season when used and installed correctly. Whether you're chasing a cleaner surf wake or looking to push your wakeboarding sessions to the next level, this ballast bag is a smart, boat-specific investment that delivers real results.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cdiv class=\"custom-product-faq\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eView Product Specs\u003c\/strong\u003e\u003c\/summary\u003e\n\u003ctable border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eC1046\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Boat\u003c\/th\u003e\n\u003ctd\u003eYamaha Jet Boat 21' (21' and 20' 6\" models)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBallast Weight\u003c\/th\u003e\n\u003ctd\u003e725 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e35\" x 30\" x 26\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePVC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIncluded Fittings\u003c\/th\u003e\n\u003ctd\u003eW730, 2x W731, W749\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Pump\u003c\/th\u003e\n\u003ctd\u003eS7090 (sold separately)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRecommended Rope\u003c\/th\u003e\n\u003ctd\u003e12' or longer (M1028 dock line recommended, sold separately)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eGrey\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cdiv class=\"custom-product-faq\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat happens if I don't fill the bag 100% with water?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eIf the bag is not filled completely with water, it can shift on the swim deck and fall off the back of the boat - which is both dangerous and damaging. Partial filling also voids the warranty. Always fill the bag to 100% capacity, purging all air using the air release valve before use.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat boats is the C1046 ballast bag compatible with?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eThe C1046 is designed to fit the swim deck on Yamaha Jet Boats in the 21' and 20' 6\" size range. It is a semi-custom fit, meaning it is not a universal bag - it is specifically shaped for this boat model.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo I need to buy a pump separately?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eYes. The bag is compatible with the FATSAC S7090 pump to fill and empty the bag, but the pump is not included. You will need to purchase the S7090 separately to operate the ballast bag.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I properly secure the ballast bag?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eUse a rope that is 12 feet or longer, routed through the welded PVC cleats and handles on both the top and bottom of the bag. The rope should be tied tightly around the bag itself - do not put any pulling tension directly on the cleats or handles. FATSAC recommends the M1028 heavy-duty marine dock line for this purpose.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the correct process for filling the bag?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eFirst, fill the bag with air to give it shape and help you position it correctly on the swim deck. Once properly placed, use the pump to fill the bag with water. As water fills the bag, use the air release valve to bleed out any remaining air. Continue filling until the bag is 100% full with no air pockets remaining.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWill this void my warranty if I don't follow the instructions?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eYes. FATSAC explicitly states that not following the installation instructions and video guides will void the warranty. Be sure to review the instruction materials and QR code videos included with the bag before installation.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv class=\"video-wrapper\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/iFtfT4nOV6E?showinfo=0\u0026amp;rel=0\u0026amp;autoplay=1\u0026amp;playsinline=1\u0026amp;mute=1\" loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e","brand":"FATSAC","offers":[{"title":"Default Title","offer_id":55419598143793,"sku":"C1046 \/ 78055","price":608.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1724\/7681\/files\/ballast-semicustom-c10461.png?v=1784837227","url":"https:\/\/omahasportsandgames.com\/products\/fatsac-yamaha-jet-boat-21-custom-ballast-bag-725-lbs-grey","provider":"Omaha Sports \u0026 Games","version":"1.0","type":"link"}