FATSAC Yamaha Jet Boat Custom 21' - 725 Pound Ballast Bag - Grey

Yamaha Jet Boat Custom 21' - 725 Pound Ballast Bag - Grey
Add 725 lbs to the rear of your Yamaha with the FatSac Yamaha Jet Boats Custom 21 for 21' Yamaha boat models.
The FatSac High Yamaha Jet Boats Custom 21 FatSac is designed to be tied down to the swim platform step of your 21' Yamaha, adding 725 lbs to the rear of your boat so you can get wakesurfing.
Fits 2017 and newer 21' Yamaha Boats
Features:
- Adds 725 lbs of Ballast
- Includes plug and W730 fitting for use with the FATSAC Supa Tsunami Pump
- Includes 4 built-in handles so you can secure this to the platform (tie-downs not included)
In the Box:
- Ballast Bag
- Four Valves/Caps (W731 x 2, W749 x 1 and W730 x 1)
*Sold as an IndividualÂ
WARNING: This product can expose you to chemicals including Diisononyl Phthalate (DINP),Diisononyl Phthalate (DINP) which are known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.
- Product Name: FATSAC Yamaha Jet Boat Custom 21' - 725 Pound Ballast Bag - Grey
- UPC Number: 817177023189
- Shop by Brand: FATSAC
-
Description:
Yamaha Jet Boat Custom 21' - 725 Pound Ballast Bag - Grey
Add 725 lbs to the rear of your Yamaha with the FatSac Yamaha Jet Boats Custom 21 for 21' Yamaha boat models.
The FatSac High Yamaha Jet Boats Custom 21 FatSac is designed to be tied down to the swim platform step of your 21' Yamaha, adding 725 lbs to the rear of your boat so you can get wakesurfing.
Fits 2017 and newer 21' Yamaha Boats
Features:
- Adds 725 lbs of Ballast
- Includes plug and W730 fitting for use with the FATSAC Supa Tsunami Pump
- Includes 4 built-in handles so you can secure this to the platform (tie-downs not included)
In the Box:
- Ballast Bag
- Four Valves/Caps (W731 x 2, W749 x 1 and W730 x 1)
*Sold as an IndividualÂ
WARNING: This product can expose you to chemicals including Diisononyl Phthalate (DINP),Diisononyl Phthalate (DINP) which are known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.

Welcome to the Everest Marketplace Seller Storefront, where we're on a mission to equip you with the gear that'll have you thriving in the great outdoors like a legendary Yeti. Whether you're into hunting, fishing, survival, or more, you've stumbled upon the right place!
Got questions about our products? Need to make a return or can't find what you're looking for? Reach out to us at 1-866-806-0934 or drop us a line at info@everest.com.
And hey, if you happen to be a seller with products listed under the Everest storefront, let's chat so we can match those items to your very own kingdom!
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In stock
We prioritize serving those who serve nature. Everest represents the boundless outdoors. Find out how we give back.
Ready to wrestle Yetis over prices? Everest is up for the challenge with our Price Match guarantee.
Shipping & Returns
All sellers will furnish tracking information for shipped products, whenever relevant. This tracking data enables you to keep tabs on the status of your shipment. If you purchase products from several sellers in one order, you will receive tracking information from each respective seller.
Following the dispatch of your order, Everest.com will send you an email notification containing the tracking details. Kindly ensure that the email address provided during the checkout process is accurate and up to date.
Returns are only accepted for products bought directly from Everest.com. To qualify for a return, the product must be unused, in its original condition, and with the original packaging intact. Some products may be exempt from the return policy. Should you wish to initiate a return, please reach out to the seller directly within 7 days from the date of delivery.
meet marcus

The Story of Marcus Moose
In the vast wilderness the Everest marketplace, a legendary customer service character emerged—Marcus Moose. With a passion for the outdoors rivaling even the mightiest Yeti, Marcus's mission was clear: guide people to embrace nature's wonders. Marcus, the guardian of adventure, ensured no one was left behind. The wilderness awaits, and with Marcus by your side, your wildest dreams are just a hoofstep away.
Shipping & Returns
All sellers will furnish tracking information for shipped products, whenever relevant. This tracking data enables you to keep tabs on the status of your shipment. If you purchase products from several sellers in one order, you will receive tracking information from each respective seller.
Following the dispatch of your order, Everest.com will send you an email notification containing the tracking details. Kindly ensure that the email address provided during the checkout process is accurate and up to date.
Returns are only accepted for products bought directly from Everest.com. To qualify for a return, the product must be unused, in its original condition, and with the original packaging intact. Some products may be exempt from the return policy. Should you wish to initiate a return, please reach out to the seller directly within 7 days from the date of delivery.
We prioritize serving those who serve nature. Everest represents the boundless outdoors. Find out how we give back.
Ready to wrestle Yetis over prices? Everest is up for the challenge with our Price Match guarantee.
meet marcus

The Story of Marcus Moose
In the vast wilderness the Everest marketplace, a legendary customer service character emerged—Marcus Moose. With a passion for the outdoors rivaling even the mightiest Yeti, Marcus's mission was clear: guide people to embrace nature's wonders. Marcus, the guardian of adventure, ensured no one was left behind. The wilderness awaits, and with Marcus by your side, your wildest dreams are just a hoofstep away.
Yamaha Jet Boat Custom 21' - 725 Pound Ballast Bag - Grey
Add 725 lbs to the rear of your Yamaha with the FatSac Yamaha Jet Boats Custom 21 for 21' Yamaha boat models.
The FatSac High Yamaha Jet Boats Custom 21 FatSac is designed to be tied down to the swim platform step of your 21' Yamaha, adding 725 lbs to the rear of your boat so you can get wakesurfing.
Fits 2017 and newer 21' Yamaha Boats
Features:
- Adds 725 lbs of Ballast
- Includes plug and W730 fitting for use with the FATSAC Supa Tsunami Pump
- Includes 4 built-in handles so you can secure this to the platform (tie-downs not included)
In the Box:
- Ballast Bag
- Four Valves/Caps (W731 x 2, W749 x 1 and W730 x 1)
*Sold as an IndividualÂ
WARNING: This product can expose you to chemicals including Diisononyl Phthalate (DINP),Diisononyl Phthalate (DINP) which are known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.
- Product Name: FATSAC Yamaha Jet Boat Custom 21' - 725 Pound Ballast Bag - Grey
- UPC Number: 817177023189
- Shop by Brand: FATSAC
-
Description:
Yamaha Jet Boat Custom 21' - 725 Pound Ballast Bag - Grey
Add 725 lbs to the rear of your Yamaha with the FatSac Yamaha Jet Boats Custom 21 for 21' Yamaha boat models.
The FatSac High Yamaha Jet Boats Custom 21 FatSac is designed to be tied down to the swim platform step of your 21' Yamaha, adding 725 lbs to the rear of your boat so you can get wakesurfing.
Fits 2017 and newer 21' Yamaha Boats
Features:
- Adds 725 lbs of Ballast
- Includes plug and W730 fitting for use with the FATSAC Supa Tsunami Pump
- Includes 4 built-in handles so you can secure this to the platform (tie-downs not included)
In the Box:
- Ballast Bag
- Four Valves/Caps (W731 x 2, W749 x 1 and W730 x 1)
*Sold as an IndividualÂ
WARNING: This product can expose you to chemicals including Diisononyl Phthalate (DINP),Diisononyl Phthalate (DINP) which are known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.

Welcome to the Everest Marketplace Seller Storefront, where we're on a mission to equip you with the gear that'll have you thriving in the great outdoors like a legendary Yeti. Whether you're into hunting, fishing, survival, or more, you've stumbled upon the right place!
Got questions about our products? Need to make a return or can't find what you're looking for? Reach out to us at 1-866-806-0934 or drop us a line at info@everest.com.
And hey, if you happen to be a seller with products listed under the Everest storefront, let's chat so we can match those items to your very own kingdom!
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