Flushmaster Outboard Flushing System with Four 15-Foot Hose Kits - Model SM-FM4015 - SM-FM4015

Flushmaster Outboard Flushing System with Four 15-Foot Hose Kits - Model SM-FM4015 - SM-FM4015

Marsoni

M251S

$325.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Flushmaster Outboard Flushing System with Four 15-Foot Hose Kits - Model SM-FM4015 - SM-FM4015The Flushmaster Outboard Flushing System, model SM FM4015 by Flushmaster, offers a reliable and portable solution for cleaning up to four outboard motors efficiently. Designed for marine environments, this device is powered by three AA batteries and features a user friendly, automated operation that flushes each engine sequentially, saving time and water. Its marine grade construction and IP67 waterproof certification ensure durability and dependable

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Fast: 2-3 business days
Express: 1-2 business days

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
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I filled 1/4 tank of gas into my snowblower which I could not started, sprayed about 15 seconds of Start Your Engines, rock snowblower to mix well, let it sat for an hour. I pulled string and yet couldn't start engine. Unscrewed spark plug and spray some into cylinder, put the spark plug back and pull the string. ENGINE STARTED!!! SAVED ME AT THE LEAST $150.

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Reviewed in the United States on March 1, 2026

Verified Purchase

Bear

Port Orchard, US

★★★★★ 5

Great

Size: 2 fl oz

Great

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Reviewed in the United States on May 22, 2026

Verified Purchase

Brandonian

Charlottesville, US

★★★★★ 1

Flimsy Nozzle

Size: 2 fl oz

The nozzle is so flimsy at the moment I pressed on it it popped off the can into the gas tank. I didn’t press it softly but I also didn’t press it very hard either, getting it out was a huge pain in the butt.

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Reviewed in the United States on May 24, 2026

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John

Bozeman, US

★★★★★ 5

Good product

Color: Blue, Number of Items: 1

I like the product and it works as advertised

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Reviewed in the United States on February 16, 2026

Verified Purchase

John H.

Boise, US

★★★★★ 5

Keeps your engines running right.

Color: Blue, Number of Items: 1

Works great. I've had less trouble , mosty excellent performance with my small power tools and yard equipment since I've been using this and other Stay bil products.

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Reviewed in the United States on March 14, 2026