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SeaMule SM-FMQCY FlushMaster Quick Connect Flushing System for Yamaha Outboards

Manufacturer

SeaMule

<h3>About SeaMule</h3><p>Based in Madeira Beach, Florida — the heart of Florida's Gulf Coast boating community — SeaMule is a marine solutions brand built around one guiding philosophy: life on the water should be effortless. From weekend anglers to seasoned offshore captains, SeaMule designs products that eliminate the tedious side of boat ownership so you can spend more time doing what you love.</p><h3>The Flushmaster: Redefining Outboard Engine Care</h3><p>SeaMule's flagship innovation is the <a href="/18624-seamule-engine-flushes-201925">Flushmaster Outboard Engine Flush System</a> — widely recognized as the world's first portable, automated outboard flushing device for single and multi-engine boats. Flushing outboard motors after saltwater use is one of the most critical maintenance habits a boat owner can develop, yet it has traditionally been a time-consuming, hands-on chore. The Flushmaster changes that equation entirely.</p><p>The device handles up to four outboard motors sequentially, flushing each one for a pre-programmed duration before automatically shutting off and blocking the water flow — no babysitting required. Powered by just three AA batteries, it connects easily to any standard freshwater source and cycles through every motor in order, ensuring thorough cleaning without the owner having to stay present.</p><ul><li><strong>IP67 waterproof certified</strong> — built to withstand harsh marine environments, including rain, spray, and accidental submersion</li><li><strong>Compatible with four-stroke outboards</strong> across major brands including Mercury, Yamaha, Suzuki, and Honda</li><li><strong>Available in 2-outlet and 4-outlet configurations</strong> with multiple hose length options to fit a wide range of boat setups</li><li><strong>Auto shut-off</strong> once all motors are flushed, conserving water and freeing up your time</li><li><strong>Included 1-year warranty</strong> for peace of mind</li></ul><h3>The Complete Flush System</h3><p>SeaMule doesn't stop at the Flushmaster controller. The brand also offers Flush Port Quick Connects — purpose-built connectors that permanently replace OEM flush ports on Mercury, Yamaha, Suzuki, and Honda engines. Together, the Flushmaster and Quick Connects form a comprehensive <a href="/18624-seamule-engine-flushes-200369">outboard engine flush solution</a> that makes connecting hoses a one-handed, tool-free process. Additional Flush Hose Kits, a Housing Cradle, Portable Storage Bag, and a PVC Piling Plumbing Kit round out the ecosystem for boaters who want a fully integrated setup.</p><h3>Built for the Water, Designed for Convenience</h3><p>Every SeaMule product is engineered to hold up in the demanding marine environment — UV-resistant, weatherproof, and constructed from materials chosen for long-term durability on the water. The brand's commitment to sustainable, eco-conscious materials reflects an understanding that the boating community depends on healthy waterways. Whether you're docked at a marina, tied up at a piling, or back in the driveway after a long day offshore, SeaMule's solutions are designed to fit naturally into your post-trip routine.</p>

Part Number

SM-FMQCY
06/01/2036 4:50 AM
Sale Price

$37.03

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The SeaMule SM-FMQCY FlushMaster is a marine-grade portable flushing device designed to simplify maintenance for Yamaha outboard motors. This quick-connect system allows boaters to efficiently flush saltwater, sand, and debris from their outboard's cooling system after each use, helping to prevent corrosion and extend engine life.

Key Features:

  • Quick-connect design specifically engineered for Yamaha outboard applications
  • Marine-grade construction built to withstand harsh saltwater environments
  • Portable and easy to use for regular engine maintenance
  • Helps flush saltwater, minerals, and contaminants from cooling passages
  • Prevents salt buildup and corrosion in critical engine components

Regular flushing with the FlushMaster helps maintain optimal engine performance and protects your investment by removing harmful saltwater residue from internal cooling passages. The quick-connect fitting makes the flushing process fast and convenient, encouraging proper maintenance after every outing.

Products specifications

Description

Quick Connect Yamaha

For

Yamaha outboards 150-425hp

They had the best price, fast shipping, and tracking was great! Thanks!

Good

Fast and easy checkout!

Thank you. The a/c unit arrived a lot quicker to IN than we expected. We were able to install it on the boat the night before we left on a family vacation trip with the boat.

So Far so good.....I&#039;ll know better how great u are when i get the links in &amp;amp; operational when driving the vehicle

Quick and easy ordering

Easy and quick

It is very nice to know that there&#039;s more than one online store that has cheaper prices for hopefully the same durability.

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