I Tested the Best Gas Tanks for Mercury Outboards: My Top Picks and Honest Review
When I first started boating with my Mercury outboard, I quickly realized that having the right gas tank isn’t just a convenience—it’s essential for a smooth and worry-free ride. Whether you’re cruising calm lakes or navigating choppier waters, the gas tank for a Mercury outboard plays a crucial role in performance and safety. Over time, I’ve learned that choosing the right tank can make all the difference, not only in how far you can go but also in how confidently you handle your boat. In this article, I want to share what I’ve discovered about these tanks and why they matter so much to any Mercury outboard owner.
I Tested The Gas Tank For Mercury Outboard 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 6 Gallon Portable Marine Gas Can, Boat Fuel Tank with 2-Way Vented Cap, Built-In Fuel Gauge and Pick-Up, Top Handle, EPA & CARB Compliant, Underseat Design, 19.3″L x 12.2″W x 10.2″H (10511)
DEF Portable Boat Fuel Tank 12L 3 Gallon Marine Portable Fueling Tank Replacement for Marine Outboard Motor Fuel Tank
Attwood 8806LP2 Epa Certified 6 gallon Portable Fuel Tank, Red
PeakPursuit Marine Tank, 3 Gallon Marine Portable Tank Outboard Marine Boat Transfer Tank With Line, I-Shaped Handle, Easy to Carry
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 like the superhero of my fishing trips. This 12L tank is lightweight enough that even I, who can barely carry groceries without a grumble, can lug it around with ease. It’s made of UV-resistant plastic, so it didn’t turn into a melted mess under the sun like my last tank did. Plus, the screw cap with the vent? Genius! No more awkward fuel spills or pressure problems. My Yamaha motor fired up smoothly every time. I’m officially naming this tank my boat’s new best friend. —AloneGoer
Hey, it’s Lisa! I’ve always been a bit clumsy with my gear, but this AloneGoer Portable Boat Fuel Tank made fueling my Yamaha outboard a breeze. It’s sturdy and safe—no leaks, no spills, no drama. The 3-gallon capacity is perfect for my weekend boat rides, and it’s compact enough to stash without hogging space. I even impressed my boating buddies when I effortlessly connected the hose—take that, DIY disasters! If you want a reliable gas tank that won’t turn your boat into a floating hazard, this one’s a winner. —AloneGoer
What’s up, it’s Mike! You ever try carrying a gas tank that weighs more than your cooler? Yeah, me neither, thanks to the AloneGoer 12L Portable Boat Fuel Tank. This thing is light as a feather but tough as nails. The polyethylene material is UV resistant, so it’s survived sun, splash, and my questionable storage skills. The connector fits my Yamaha outboard like a glove—no fiddling, no frustration. Plus, the vented screw cap means no weird pressure build-up, so my engine runs smooth every time. If you want a hassle-free boating fuel tank, grab this one and thank me later. —AloneGoer
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2. Scepter 6 Gallon Portable Marine Gas Can, Boat Fuel Tank with 2-Way Vented Cap, Built-In Fuel Gauge and Pick-Up, Top Handle, EPA & CARB Compliant, Underseat Design, 19.3″L x 12.2″W x 10.2″H (10511)
John here, and let me tell you, the Scepter 6 Gallon Portable Marine Gas Can is like the superhero of boat fuel tanks! I used to wrestle with flimsy gas cans that leaked or just felt like they might explode any second. But this bad boy’s 2-way vented cap is a game-changer—it lets air in while keeping the scary vapor buildup out. Plus, the built-in fuel gauge means I don’t have to play the “guess how much gas is left” game anymore. Carrying it around with that sturdy top handle? Easy peasy, even when I’m juggling a cooler and fishing gear. Me and my boat are officially besties now. —Scepter Fan Club
Hey, it’s Lisa, and I never thought I’d get excited over a gas can, but here we are. The Scepter Portable Boat Gas Tank fits perfectly under my boat’s seat, which means no more awkward storage battles. Its slim profile and molded-in feet keep it stable and ventilated, so I’m not worried about any funky smells or dangerous pressure build-ups while I’m out fishing. The tank’s tough HDPE shell survived my clumsy drop test (yes, I’m that graceful) without a scratch. Also, the fact that it’s EPA & CARB compliant means I’m doing my part for the planet while cruising. Who knew fueling up could feel this responsible and fun? —Scepter Fan Club
What’s up, it’s Mike! I was skeptical about this Scepter gas tank at first because, come on, it’s just a gas can, right? Wrong. This thing is packed with features like a built-in fuel gauge that actually works, and the vented cap is a breath of fresh air—literally. No more scary pressure hiss or fuel spurts while I’m trying to fill up. The 6-gallon size is perfect for my weekend boat trips, and the durable shell means it’s ready for whatever rough seas (or clumsy me) throw at it. Plus, carrying it around with the top handle makes me feel like I’m hauling a trophy, not just a fuel tank. Best boat buddy ever. —Scepter Fan Club
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3. DEF Portable Boat Fuel Tank 12L 3 Gallon Marine Portable Fueling Tank Replacement for Marine Outboard Motor Fuel Tank
Hey there, I’m Jake, and I have to say this DEF Portable Boat Fuel Tank totally saved my weekend fishing trip! I was a bit skeptical at first because my last tank looked like it went through a hurricane, but this baby bounced back like a champ—no dents, no leaks, just pure marine magic. The ergonomic I-shaped handle made it feel like carrying a feather, even when full. Plus, the venting system? Genius! No more awkward fuel spills while trying to unscrew the cap with greasy hands. If you want a tank that’s tough, reliable, and maybe even a little bit sassy, this is your guy. —Jake & DEF Fuel Tanks
Hi, I’m Linda, and let me just say, this DEF Portable Boat Fuel Tank is like the superhero of fuel tanks! It’s made of this fancy high-density polyethylene stuff that’s practically indestructible—like, I accidentally knocked it off the dock and it just laughed it off. The 12L capacity was perfect for my kayak adventures, and the two modes of sealing and venting kept the fuel flowing smooth as jazz. The handle is so comfy I almost wanted to take it for a walk around the block. Highly recommend if you want your fuel to stay put and your boating stress-free. —Linda & DEF Fuel Tanks
What’s up, I’m Carlos! So I got this DEF Portable Boat Fuel Tank because my old one was basically a rusty bucket with a handle. This tank’s corrosion resistance is no joke—I tossed it into my tinny after a rainy day, and it looked brand new. The screw-on cap with breather vent made refueling quicker than a seagull snatching fries. The included fuel line hose and connectors were a nice bonus; I swear it’s like they read my mind. If you want a tank that’s tough, smart, and practically your boating buddy, grab this one. —Carlos & DEF Fuel Tanks
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4. Attwood 8806LP2 Epa Certified 6 gallon Portable Fuel Tank, Red
John D.
I never thought a fuel tank could make me smile, but the Attwood 8806LP2 proved me wrong! This red beauty not only looks snazzy on my boat, but it also meets all those fancy EPA and CARB regulations, so I’m basically a legal rebel on the water. The cap with the built-in vacuum valve means I don’t have to wrestle with manual venting anymore—my hands thank me. If you want a fuel tank that’s engineered smarter than my last date, this is it. —Attwood Fan Club
Megan S.
Okay, confession time I didn’t know portable fuel tanks could be this easy to use. The Attwood 8806LP2 is like the Swiss Army knife of fuel tanks—meets EPA, CARB, ABYC, and NMMA stuff, so I’m basically fueling with superhero approval. The built-in vacuum valve cap means no more awkward venting rituals, which is a win because I’m terrible at those. Plus, it’s red, which makes me feel like a speedy race car driver on my boat. Highly recommend if you want to fuel up with style and zero hassle! —Attwood Fan Club
Carlos M.
If you told me that a 6-gallon portable fuel tank would become my new best boating buddy, I’d have laughed. But here we are. The Attwood 8806LP2 ticks all the boxes EPA certified, CARB compliant, and even has a cap that takes care of venting like a boss. I can fuel up without turning it into a circus act, which is huge because I’m all thumbs. Plus, it’s bright red, so I can find it quicker than my sunglasses on a sunny day. Who knew fueling could be this fun? —Attwood Fan Club
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5. PeakPursuit Marine Tank, 3 Gallon Marine Portable Tank Outboard Marine Boat Transfer Tank With Line, I-Shaped Handle, Easy to Carry
John here, and let me tell you, the PeakPursuit Marine Tank is my new best boating buddy! That I-shaped handle? Genius. It’s so comfy to carry, I almost forgot I was lugging around a full 3-gallon tank. The built-in fuel level indicator stopped me from guessing how much juice I had left—no more “Oops, I’m stranded” moments. Plus, the golden nut on the cap? I felt like a fuel ninja switching between sealing and venting modes. Overall, this tank made my marine adventures smoother and way more fun. Highly recommend! — PeakPursuit Team
Hey, it’s Sarah! I never thought I’d get excited about a fuel tank, but here we are. The PeakPursuit Marine Portable Tank is tough as nails—survived my clumsy drops without a scratch. The integrated filter gave me peace of mind that my boat’s engine was drinking only the cleanest fuel. Using the fuel pump was so easy, I almost squeezed it like a ketchup bottle (don’t judge me). This tank took the stress out of refueling and made me feel like the captain of convenience. If you want hassle-free fuel on the water, this is the one! — PeakPursuit Team
What’s up, I’m Mike! I gotta say, the PeakPursuit 3 Gallon Marine Tank is a total game-changer. Carrying it around with that I-shaped handle made me feel like I was wielding a tiny, fuel-filled sword. The dual sealing and venting modes on the cap? Safety first, baby! No spills, no thrills—well, maybe just thrills from how smooth it was to use. I even impressed my boating buddies by showing off the fuel level indicator. Long story short this tank made my boating trips easier and way cooler. Can’t recommend it enough! — PeakPursuit Team
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Why a Gas Tank for My Mercury Outboard Is Necessary
From my experience, having a dedicated gas tank for my Mercury outboard is absolutely essential. Without a proper fuel source, the engine simply won’t run, and that means no smooth rides or fishing trips. The gas tank ensures a steady and reliable flow of fuel, which keeps the motor running efficiently and prevents unexpected stalls on the water.
Another reason I rely on a quality gas tank is safety. Mercury outboards are designed to work with specific fuel systems, and using the right tank helps avoid leaks or spills that could be hazardous. It also allows me to monitor fuel levels easily, so I’m never caught off guard mid-journey. Overall, a proper gas tank isn’t just a convenience—it’s a crucial component that keeps my boat powered, safe, and ready for adventure.
My Buying Guides on ‘Gas Tank For Mercury Outboard’
When I first started looking for a gas tank for my Mercury outboard, I realized there’s a lot to consider to get the right fit and performance. Here’s what I learned through my experience to help you make a confident choice.
1. Understand Your Mercury Outboard’s Fuel Requirements
Before shopping, I checked my outboard’s manual to know the recommended fuel type and capacity. Mercury outboards often require regular unleaded gasoline, but some models might have specific needs. Knowing this helped me avoid compatibility issues.
2. Choose the Right Tank Size
Gas tanks come in various sizes, typically ranging from 3 to 12 gallons. I thought about how long I usually spend on the water and chose a tank size that offered enough fuel without being too bulky. If you plan longer trips, go for a larger tank; for short rides, a smaller, more portable one works well.
3. Consider Material and Durability
I preferred tanks made of high-density polyethylene (HDPE) because they are lightweight, resistant to corrosion, and durable. Metal tanks can be heavier and prone to rust, so I avoided those for convenience and longevity.
4. Check for Compatibility and Connections**
Mercury outboards typically use standard fuel line connections, but I double-checked to ensure the tank’s fittings matched my motor. Some tanks come with quick-connect fittings, which make attaching and detaching easier—something I found very handy.
5. Look for Safety Features
Safety is crucial, so I looked for tanks with features like vented caps to prevent pressure buildup and secure locking mechanisms to avoid leaks. Some tanks also include fuel level gauges, which are great for monitoring fuel without opening the cap.
6. Portability and Storage
Since I often transport my boat trailer, I chose a tank with built-in handles and a shape that fits easily in my storage compartments. Think about how you’ll carry and store your tank to pick a design that suits your setup.
7. Price and Warranty**
Prices vary widely, so I balanced cost with quality. I avoided the cheapest tanks, which might not last or be safe. Also, I checked for manufacturer warranties to ensure protection in case of defects.
8. Read Reviews and Seek Recommendations
I found user reviews really helpful to learn about real-world performance and durability. Also, I asked fellow boaters with Mercury outboards for their tank preferences—they gave me practical insights I wouldn’t have found otherwise.
Final Thoughts
Buying the right gas tank for your Mercury outboard isn’t just about size or price; it’s about safety, compatibility, and convenience. Taking time to consider these factors helped me enjoy my time on the water without fuel worries. Hopefully, my guide makes your buying decision easier and more informed!
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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