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

SKU: CWR-78055
Unit Price
US $ 338.23
US $ 409.99
US$ 338.23 
US $ 409.99
US$ 336.201%
US$ 335.011%
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Ballast Bags
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Installation Guide

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


In the Box:

*Sold as an Individual 

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.

  • 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)
  • Ballast Bag
  • Four Valves/Caps (W731 x 2, W749 x 1 and W730 x 1)
  • Shipping specs
    8.65 Lbs
    16" x 13" x 6"
    Shipping weight
    8.65 Lbs
    Shipping dimensions
    16" x 13" x 6"
    Shipping from
    This product is shipped from our warehouse in , NJ, United States
    Our guarantee
    This product is brand new and includes the manufacturer's warranty, so you can buy with confidence.
    A 25% handling charge is levied against all authorized returns except those due to our error. Unauthorized returns are subject to a 40% handling charge. Damages & defects must be reported to us within 14 days.
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