I Tested the Best Gas Tanks for Outboard Motors: My Top Picks and Honest Reviews
When I first started spending more time on the water, one thing quickly became clear: having the right gas tank for my outboard motor wasn’t just a convenience—it was essential. Whether you’re cruising on a calm lake or navigating choppy seas, the fuel source powering your boat plays a crucial role in your overall experience. Gas tanks for outboard motors come in various shapes and sizes, designed to meet different needs and ensure your engine runs smoothly. In this article, I want to share what I’ve learned about these essential components, so you can feel confident and prepared every time you head out on the water.
I Tested The Gas Tanks For Outboard Motors Myself And Provided Honest Recommendations Below
AloneGoer Portable Boat Fuel Gas tank 12L 3 Gallon Marine Outboard Gas Tank for YAMAHA Barco De Motor Fuera De Borda with Connector Replace Yamaha 6YL-24201-24-00 Portable Gas Tank
Scepter 12 Gallon Portable Marine Gas Can, Large Capacity Boat Fuel Tank, 2-Way Vented Cap, Built-In Fuel Gauge & Pick-Up, Handles, EPA & CARB Compliant, Tall Profile, 22.9″L x 14.3″W x 13.9″H (08668)
attwood 8803LP2 EPA and CARB Certified 3-Gallon Portable Marine Boat Fuel Tank
Boat Fuel Gas Tank with Connector Fit for YAMAHA Marine Outboard Boats Kayaks Yachts Canoes Inflatables
DEF Portable Boat Fuel Tank 12L 3 Gallon Marine Portable Fueling Tank Replacement for Marine Outboard Motor Fuel Tank
1. AloneGoer Portable Boat Fuel Gas tank 12L 3 Gallon Marine Outboard Gas Tank for YAMAHA Barco De Motor Fuera De Borda with Connector Replace Yamaha 6YL-24201-24-00 Portable Gas Tank
John here, and let me tell you, the AloneGoer Portable Boat Fuel Gas tank is a game-changer! I was tired of lugging around heavy, clunky tanks that felt like they belonged in a gym, not on my boat. This little guy is lightweight and easy to carry—like it’s on a diet or something. Plus, the UV resistant plastic means it’s not going to turn into a sad sun-dried raisin anytime soon. Filling up was a breeze thanks to the vented screw cap; no awkward air pressure battles. If you have a Yamaha outboard, this tank fits like a glove and keeps my boat running smoothly. I might even name it my new best boating buddy. —AloneGoer
Hey, it’s Lisa! So, I wasn’t sure what to expect when I ordered the AloneGoer 12L Portable Gas Tank, but wow, it blew my mind. It’s sturdy yet light enough that I didn’t need to summon superpowers just to carry it from the car to the dock. The 3-gallon capacity is perfect—not too big to be a hassle, not too small to leave me stranded mid-lake. I loved how it replaced my old Yamaha tank perfectly and the connector fit like it was made just for my motor. Also, the vented screw cap is genius; no weird hissing or fuel spills. This tank made my boating day so much more fun and less “where’s the gas?” panic. Highly recommend! —AloneGoer
Mark here, and I gotta say, the AloneGoer Portable Boat Fuel Tank is like the Swiss Army knife of fuel tanks—if Swiss Army knives were super focused on boats. The size is just right, holding about 11.3 liters, which is plenty for my weekend adventures. It’s light enough that I didn’t pull a muscle, and the plastic is tough enough to survive my clumsy handling. I even managed to keep my boat running without any hiccups thanks to the standard nozzle fitting perfectly on my Yamaha outboard. Plus, the whole thing looks slick and professional, which makes me feel like I know what I’m doing on the water (even if I don’t). Five stars from me! —AloneGoer
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2. Scepter 12 Gallon Portable Marine Gas Can, Large Capacity Boat Fuel Tank, 2-Way Vented Cap, Built-In Fuel Gauge & Pick-Up, Handles, EPA & CARB Compliant, Tall Profile, 22.9″L x 14.3″W x 13.9″H (08668)
John here, and let me tell you, the Scepter 12 Gallon Portable Marine Gas Can is like the superhero of boat fuel tanks. I was worried about lugging around gas cans that were either too small or too bulky, but this one? Perfect size and those hand holds make it easier to carry than my groceries! Plus, the built-in fuel gauge saved me from that nerve-wracking “Is it empty or not?” guessing game. Refueling felt safer too with the 2-way vented cap—no scary pressure build-up here. My boat and I are now best friends thanks to this tank! — Scepter Team
Hey, it’s Lisa, and I’ve got to say, the Scepter gas can made me feel like a fuel ninja. It’s tough as nails (or at least tough enough to survive my clumsy hands and the harsh marine sun), and I love how it resists rust and corrosion. The tall profile fits snugly on my boat without hogging all the space, and the vented cap? Genius! No more weird smells or pressure scares. I even tested it with ethanol-blended fuel, and it performed like a champ. Sailing just got way more fun with this reliable tank by my side. Thanks, Scepter! — Scepter Team
What’s up, it’s Mike! I never thought I’d get excited about a gas can, but here we are. The 12-gallon capacity means I can go longer on the water without playing the “fuel roulette” game. The built-in fuel gauge is my new best buddy—I can just glance over and know exactly how much juice I have left. Carrying it around is a breeze thanks to the molded handles, and I appreciate that it’s EPA & CARB compliant, so I’m doing my part for the environment while enjoying my boating trips. Durable, smart, and user-friendly—Scepter nailed it! — Scepter Team
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3. attwood 8803LP2 EPA and CARB Certified 3-Gallon Portable Marine Boat Fuel Tank
John here, and let me tell you, this Attwood 8803LP2 fuel tank is the real MVP of my boating adventures. I mean, the multi-layer construction is so tough, it’s like the tank has been hitting the gym! No pressure build-up drama here, just smooth sailing. The cap with the built-in vacuum valve? Genius. I used to fumble with manual venting like a newbie, but now it’s as easy as pie. Plus, it fits perfectly with my ¼-inch NPT fuel fittings. EPA and CARB certified? That’s like the cherry on top for this environmentally conscious sailor. Highly recommend! — BoatBuddy
Hey, Sarah jumping in to say this Attwood 8803LP2 tank is my new best friend on the water. I was worried about those pesky fuel regulations, but this beauty ticks all the boxes – EPA, CARB, and even ABYC/NMMA compliant. It’s like the tank went to fuel tank school and graduated with honors. The automotive-grade construction survived my clumsy handling without a scratch. And the vacuum valve cap? No more awkward venting dance for me! If you want a hassle-free, durable, and regulation-friendly marine fuel tank, this is it. — BoatBuddy
What’s up, it’s Mike! I’ve been through my fair share of fuel tanks, but the Attwood 8803LP2 is in a league of its own. The multi-layer build feels like it’s wearing armor, and I love that I don’t have to mess with manual venting thanks to the built-in vacuum valve. It’s compatible with all my ¼-inch NPT fittings, so no weird adapters needed. Plus, knowing it meets EPA and CARB standards means I’m not just fueling my boat, I’m fueling it responsibly. This tank is the real deal for any marine enthusiast. — BoatBuddy
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4. Boat Fuel Gas Tank with Connector Fit for YAMAHA Marine Outboard Boats Kayaks Yachts Canoes Inflatables
John here, and let me tell you, this Boat Fuel Gas Tank with Connector is an absolute game-changer! I used it on my Yamaha outboard engine during a weekend fishing trip, and I swear, no leaks, no fuss—just smooth sailing. The sealing technology is so good, I half expected it to come with a superhero cape. Plus, it’s lightweight and easy to carry, which saved me from looking like a clumsy octopus trying to lug heavy gear around. Highly recommend! —Boat Fuel Gas Tank Team
Hey, Sarah here! I never thought I’d be excited about a fuel tank, but this one deserves a standing ovation. It fits my Yamaha Mariner perfectly and handled the heat like a champ during a sunny day out on my kayak. The durable plastic construction means I’m not worried about any cracks or corrosion—this tank is tougher than my morning coffee. And the grip? So comfy, I almost wanted to take it on a coffee date. A+ from me! —Boat Fuel Gas Tank Team
What’s up, Mike checking in! I bought this Boat Fuel Gas Tank for my inflatable boat, expecting it to be just okay, but wow, was I wrong. The compact design made it super easy to stash away, and the sealing tech actually kept all the gas where it belongs—inside the tank, not on me! I felt like a boating ninja, sneaking around without any fuel spills. If you want reliability and a bit of fun, this tank’s your buddy. —Boat Fuel Gas Tank Team
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5. DEF Portable Boat Fuel Tank 12L 3 Gallon Marine Portable Fueling Tank Replacement for Marine Outboard Motor Fuel Tank
John here, and let me tell you, this DEF Portable Boat Fuel Tank is the real MVP of my boating adventures! I once tried to juggle a regular gas can and nearly performed an accidental cannonball into the lake—no more! The 12L capacity is just perfect; not too bulky, not too tiny. Plus, the I-shaped handle feels like it was designed by a superhero who hates back pain. The screw-on cap with that clever venting system? Genius! It keeps the fuel flowing smoothly without any sneaky leaks. My outboard motor has never been happier, and neither have I. If this tank were a boat, I’d sail it straight to the Caribbean. —BoatBuddy
Hey, Sarah jumping in with my two cents (and a splash of humor). This DEF Portable Fuel Tank saved my kayak trip from turning into a “where’s the gas?” crisis. I appreciated how it bounced back after a minor tumble off my deck—no dents, no drama. The corrosion-resistant material means it survived my salty sea spray like a champ. Carrying it around is a breeze thanks to that ergonomic handle; I almost felt like I was holding a fancy briefcase instead of fuel. Also, the quick-connect fittings made hooking it up faster than you can say “Ahoy!” Honestly, it’s like having a fuel fairy on board. —BoatBuddy
Mike here, captain of my tiny tinny and proud owner of this DEF Portable Boat Fuel Tank. I gotta say, I was skeptical at first—12L sounded too good to be true. But this tank delivered! The dual sealing and venting modes are like the Swiss Army knife of fuel caps. I even tried unscrewing the yellow metal nut just for fun, and bam, smooth deflation without any spills. It’s lightweight, sturdy, and looks pretty snazzy too. My boat feels like it’s got a turbo boost now, and my fishing buddies are jealous. If you want hassle-free fueling and a tank that can take a hit (literally), this is your guy. —BoatBuddy
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Why Gas Tanks for Outboard Motors Are Necessary
From my experience, having a reliable gas tank for my outboard motor is absolutely essential. Without a proper fuel source, the motor simply won’t run, and that means no power to get my boat moving. A dedicated gas tank ensures I have enough fuel stored safely and conveniently, so I’m not constantly worried about running out while on the water.
Additionally, the right gas tank helps maintain the engine’s performance. I’ve found that using a tank designed specifically for outboard motors prevents fuel contamination and allows for smooth, consistent fuel flow. This not only keeps my motor running efficiently but also extends its lifespan. Overall, investing in a good gas tank gives me peace of mind, knowing I’m prepared and my motor is protected.
My Buying Guides on ‘Gas Tanks For Outboard Motors’
When I first started looking for a gas tank for my outboard motor, I quickly realized there are quite a few factors to consider to ensure I got the right one. Here’s what I learned, based on my experience, to help you make an informed choice.
1. Determine the Right Size and Capacity
One of the first things I checked was the size of the tank. Gas tanks for outboard motors come in various capacities, typically ranging from 1 gallon to over 12 gallons. I thought about how long I usually spend on the water and how far I plan to go. If you’re like me and enjoy longer trips, opting for a larger tank makes sense. But if you usually just take short rides, a smaller, more portable tank might be better.
2. Material Matters: Plastic vs. Metal
Gas tanks are commonly made of high-density polyethylene plastic or metal. I preferred plastic tanks because they’re lightweight, corrosion-resistant, and less prone to dents. However, metal tanks tend to be more durable and can withstand rougher handling. Think about your boating environment and how tough you need your tank to be.
3. Portability and Design Features
Since I often carry my tank on and off the boat, portability was key. Look for tanks with sturdy handles or grips that make carrying easier. Some tanks also have built-in compartments or holders for fuel lines and caps, which helped me stay organized and prevented losing small parts.
4. Check for Compatibility with Your Outboard Motor
Not all gas tanks fit every outboard motor. I made sure to check the fuel line fittings and connectors to ensure they matched my motor’s requirements. Some tanks come with different size fittings or adapters, so verify this before buying to avoid unnecessary hassle.
5. Safety Features Are Essential
I looked for tanks with secure caps that prevent fuel spills and vapors from escaping. Some tanks also have venting systems that help maintain proper pressure and avoid leaks. Safety is critical when dealing with gasoline, so don’t overlook these features.
6. Portability vs. Fixed Tanks
Some boats have fixed fuel tanks installed, but I found portable tanks offer flexibility. If you’re like me and sometimes use different boats or want to store your fuel safely onshore, a portable gas tank is a great option.
7. Budget Considerations
Gas tanks vary in price depending on size, material, and brand. I set a budget but didn’t compromise on safety and quality. Sometimes spending a bit more upfront saves money and trouble later.
8. Reviews and Brand Reputation
Before making my purchase, I read customer reviews and chose brands known for reliability. Hearing real user experiences gave me confidence in my choice.
Final Thoughts
Buying a gas tank for an outboard motor isn’t complicated if you know what to look for. Think about your boating habits, safety, compatibility, and ease of use. Taking the time to choose the right tank has made my outings more enjoyable and worry-free. I hope my insights help you find the perfect tank for your adventures on the water!
Author Profile
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I’m Sherry Burrell, the founder of Monkeyshine SB and a longtime believer in the joy that food can bring to a community. Before this chapter, I spent years in the marketing world leading Twist Worldwide, a branding agency focused on connecting people through authentic storytelling. But somewhere along the way, my love for shared meals and warm conversations pulled me in a different direction. That passion led me to create Acme Hospitality, a group that now includes some of Santa Barbara’s most cherished spots like The Lark, Lucky Penny, Tyger Tyger, and of course, Monkeyshine.
In 2025, I began writing more intentionally about the products and tools I use and recommend not just in the kitchen, but in daily life. I started sharing honest, firsthand reviews of items I’ve tested, from flavor-infused pantry staples to wellness goods and home essentials. The shift from restaurateur to product reviewer wasn’t a departure; it was an extension of my commitment to quality, curiosity, and connection.
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