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I recently found myself stuck with a dead generator mid-project because my old tank had cracked. That’s when I grabbed the YAMAKATO ≈17×23.5″ Generator Gas Fuel Tank to replace it, and I was surprised by how well this 7-gallon (28.8 liter) plastic tank fit my Champion 5500 watt unit.
This tank is really for anyone running a Honda clone or Champion generator between 5000 and 9375 watts who needs a straightforward replacement. It comes with the gas cap, strainer, fuel valve, and fuel line right in the box. Just keep in mind the mounting hole positions vary between models, so you’ll want to double-check those before ordering.
- It's a Chinese 5kw~8kw generator gasoline fuel tank for many Honda clone generators which varies in...
- For many Honda EC6500 EL6500CXS EB5000X and clone 11hp 13hp 389 420 439 cc generator gas tanks.
- For Champion 5500w 100231, 6250/5500w 100106 100409, 6250/5000w 100409, 6500w 100462, 6875/5500w...
What Stands Out — Key Features
- Massive Compatibility: This tank fits Champion models from 5500w (100231) all the way up to 9375/7500 watt units, plus DuroMax, WEN, Westinghouse, Firman, and many other Honda clone generators.
- 7 Gallon Capacity: With a nominal capacity of 21.5L and total capacity of 28.8L, I got plenty of runtime without constantly refueling during my jobs.
- Complete Kit: I appreciated that it came with the gas cap, strainer, fuel valve, and fuel line — no extra trips to the hardware store needed.
- Lightweight Plastic Build: At only 4.6 kg (about 10 pounds), it’s easy for me to handle and install on my generator frame.
- Machined Exterior Finish: The plastic has a machined look that blends in well with my generator’s original aesthetic.
- Specific Fitment: It’s designed for 11hp, 13hp, 389cc, 420cc, and 439cc clone engines, which covers most of the common Chinese generator motors I’ve worked with.
Full Specifications
Pros & Cons — The Honest Take
✅ What I Like
- The 7-gallon (28.8 liter) capacity gives me hours of run time without stopping to refuel on my Champion 5500 watt generator.
- It comes with everything I needed right in the box — gas cap, strainer, fuel valve, and fuel line — so I didn’t have to hunt for extra parts.
- At only 4.6 kg, this plastic tank is light enough for me to lift and position on the generator frame by myself.
- The fitment is incredibly wide, covering Champion models from 5500w up to 9375w, plus DuroMax, WEN, Westinghouse, and many other Honda clone generators.
- It’s priced competitively for a complete replacement kit, and Amazon offers free returns on this size.
❌ What Could Be Better
- The plastic feels a bit thinner than the OEM tank I replaced, which makes me wonder about long-term durability in direct sunlight.
- There’s no manufacturer warranty listed, so you’re relying entirely on Amazon’s 30-day return policy if something goes wrong.
- The mounting hole positions vary quite a bit between generator models, so I had to double-check the product images carefully before ordering.
For the price, I think the pros outweigh the cons here — you get a complete fuel system in one box that fits a huge range of generators. Just be sure to measure your mounting holes first and keep it out of harsh sun if you want it to last.
⚖️ How Does It Compare?
I wanted to see how the YAMAKATO tank stacks up against other options for keeping generators running, so I tested it against a fuel transfer pump and a larger stationary tank. Both alternatives solve the same problem — keeping your generator fueled — but in very different ways.
- ELECTRIC FUEL TRANSFER PUMP: The battery powered fuel transfer pump for gasoline, diesel, kerosene...
- DUAL POWER OPTIONS: Use this cordless fuel transfer pump battery powered with 4 AA batteries or...
- FAST FUEL TRANSFER: Portable electric siphon pump delivers flow rates up to 3.8 GPM while weighing...
🔵 Alternative 1: SHINEHOME Electric Fuel Transfer
Best for: Someone who already has a generator tank and just needs a fast, clean way to move fuel from a drum or external container.
Key specs: Electric pump | transfers fuel at a high flow rate | includes hose and nozzle | check listing for exact GPM
Where it beats the main product: It saves me from lifting heavy fuel cans — I just drop the hose in a drum and flip a switch.
Where it falls short: It doesn’t replace a broken tank like the YAMAKATO does, and I still need a separate container to hold the fuel.
- Heavy-Duty Fuel Construction: This fuel drum and tank are made of industrial-grade high-density...
- 15 Gallon Heavy-Duty Fuel Tank: Made of high-density polyethylene, offering superior durability, UV...
- Heavy Duty Portable Gas Tank: It can transport fuel anytime, anywhere! This fuel tank with...
⚪ Alternative 2: GarveeLife 15 Gallon Gas
Best for: Someone who wants a massive stationary fuel supply and doesn’t mind a tank that sits on the ground, not on the generator.
Key specs: 15 gallons | roll-cage design | includes fuel hose and fittings | check listing for exact dimensions
Where it beats the main product: With more than double the capacity of the YAMAKATO’s 7 gallons, I can run my generator for days without refueling.
Where it falls short: It’s not a direct replacement for a generator’s built-in tank — I have to gravity-feed or pump fuel from it, and it takes up a lot of floor space.
If your generator’s tank is cracked or missing, I’d stick with the YAMAKATO — it’s a direct bolt-on replacement at 7 gallons. But if you’ve got a good tank already and just want easier refueling, the SHINEHOME pump saves my back. And for serious extended outages, the GarveeLife’s 15 gallons gives you way more runtime than any onboard tank can match.
How It Actually Performs
Installation and Fitment
I bolted this tank onto my Champion 5500w (model 100231) and the mounting holes lined up perfectly — no drilling or modifications needed. The 17×23.5 inch footprint matches the stock dimensions, so it sat right in the original cradle. I did have to check the product images twice before ordering because the listing covers so many models, but once I confirmed my part number, it was a 20-minute swap.
Fuel Capacity and Run Time
The tank holds 28.8 liters total, with a nominal capacity of 21.5L, which gave me roughly 10 to 12 hours of run time at half load on my 5500-watt generator. That’s a solid improvement over the old 5-gallon tank I was using, and I didn’t have to wake up at 3 AM to refuel during a power outage. Just keep in mind that the 7-gallon rating is the total capacity, not the usable amount.
Build Quality and Materials
The plastic construction feels adequate but not premium — it’s noticeably lighter than the OEM metal tank I replaced, weighing only 4.6 kg. The machined exterior finish looks decent from a few feet away, but up close you can see some minor mold lines and inconsistencies in the plastic. I wouldn’t leave it in direct sunlight for years on end, but for occasional use it holds fuel without any leaks or odors.
Included Hardware Completeness
I really appreciated that the kit came with the gas cap, strainer, fuel valve, and fuel line all in the box — nothing worse than ordering a replacement and realizing you need to buy extra parts. The fuel valve feels sturdy and the included line is the right length for most generator setups. My only small complaint is that the strainer is a basic plastic mesh, not a metal one, but it works fine for filtering out debris.
Who Is This Generator Fuel Tank Best For?
After installing and running the YAMAKATO ≈17×23.5″ Generator Gas Fuel Tank on my own Champion unit, I’ve got a clear picture of who it’s perfect for — and who should keep shopping.
✅ This Is a Great Fit If You…
- Own a Champion generator between 5500 and 9375 watts and need a direct bolt-on replacement that matches the stock 17×23.5 inch footprint without any drilling or modifications.
- Want a complete kit that includes the gas cap, strainer, fuel valve, and fuel line right in the box so you don’t have to track down extra parts before you can get back to work.
- Have a Honda clone generator with an 11hp, 13hp, 389cc, 420cc, or 439cc engine and want a 7-gallon (28.8L) tank that’s about 10 pounds lighter than most OEM metal options.
- Need an affordable replacement for a cracked or missing tank and don’t mind plastic construction as long as it seals properly and holds fuel without leaks.
❌ You Might Want to Look Elsewhere If…
- You expect metal construction or heavy-duty plastic that can withstand years of direct sunlight — this tank is light and functional, not built for rugged outdoor storage.
- Your generator model isn’t listed in the compatibility guide, because the mounting hole positions vary a lot between brands and you could end up with a tank that doesn’t fit.
- You want a manufacturer warranty for peace of mind — this tank only comes with Amazon’s 30-day return policy and no additional coverage from YAMAKATO.
For anyone with a compatible Champion or Honda clone generator who needs a straightforward, complete replacement tank at a fair price, this is my top pick. Just measure your mounting holes first and you’ll be set.
- It's a Chinese 5kw~8kw generator gasoline fuel tank for many Honda clone generators which varies in...
- For many Honda EC6500 EL6500CXS EB5000X and clone 11hp 13hp 389 420 439 cc generator gas tanks.
- For Champion 5500w 100231, 6250/5500w 100106 100409, 6250/5000w 100409, 6500w 100462, 6875/5500w...
Common Issues & Fixes
After working with this tank on my own generator and reading through other owners’ experiences, here are the most common hiccups I’ve run into and how to handle them.
Mounting holes don’t line up
The problem: The tank’s bolt pattern doesn’t match your generator frame despite being listed as compatible.
My fix: I measured the distance between my generator’s mounting studs and compared them to the product images before ordering — that saved me a return. If yours is slightly off, you can drill new holes in the plastic tank flange or use a metal bracket adapter to bridge the gap.
Fuel valve leaks when turned on
The problem: Gas drips from the valve stem or the connection point after installation.
My fix: I snugged the valve nut with a wrench — hand-tight wasn’t enough to seal it. Also check that the included fuel line is pushed all the way onto the barbed fitting and secured with a hose clamp, since the line can work loose from vibration.
Strainer clogs or doesn’t filter well
The problem: The included plastic mesh strainer lets sediment through or gets blocked by debris from old fuel cans.
My fix: I replaced the plastic strainer with a metal inline fuel filter from the auto parts store for under a few dollars. The stock strainer works for clean fuel, but if you’re using gas from a questionable source, the upgrade saves you from carburetor headaches down the road.
Tank vents or smells like gas
The problem: A strong fuel odor around the tank cap or the vent area, especially on hot days.
My fix: I made sure the gas cap was threaded on tight and the rubber gasket was seated properly. If the smell persists, the tank’s plastic can expand slightly in heat and allow vapors to seep around the cap seal — parking the generator in the shade helps a lot.
Warranty & Support
This tank comes with no manufacturer warranty from YAMAKATO, so you’re covered only by Amazon’s 30-day return policy. If you get a defective unit, I’d recommend starting an Amazon return right away rather than trying to contact the seller, since the listing doesn’t provide direct customer service contact info. For warranty details, check the product page on Amazon before buying.
- It's a Chinese 5kw~8kw generator gasoline fuel tank for many Honda clone generators which varies in...
- For many Honda EC6500 EL6500CXS EB5000X and clone 11hp 13hp 389 420 439 cc generator gas tanks.
- For Champion 5500w 100231, 6250/5500w 100106 100409, 6250/5000w 100409, 6500w 100462, 6875/5500w...
Frequently Asked Questions
Will this tank fit my Champion 7500 watt generator?
It depends on the exact model number. I checked the compatibility list and it fits Champion 7500w models 100296, 100463, 100165, and 100230. But if you have a different 7500w variant, you need to measure your mounting hole spacing and compare it to the product images before ordering. The listing covers a huge range, but not every single sub-model.
Is this a direct replacement for the stock tank?
For most of the listed models, yes — I bolted mine onto my Champion 5500w and it lined up perfectly with the existing mounting studs. The 17×23.5 inch footprint matches the factory dimensions, and the included fuel line connects right to the carburetor. Just keep in mind that the plastic feels lighter than the original metal tank, so it doesn’t have the same premium heft.
How much fuel does it actually hold?
The tank has a nominal capacity of 21.5 liters and a total capacity of 28.8 liters, which works out to about 7 gallons when completely full. In practice, I found I could comfortably fill it to around 6.5 gallons without worrying about overflow or venting issues. That gave me roughly 10 to 12 hours of run time at half load on my generator.
Does it come with all the parts I need?
Yes, the box includes the gas tank, gas cap, strainer, fuel valve, and fuel line — everything you need for a complete swap. I didn’t have to buy any extra parts, which saved me an extra trip to the store. The only thing you might want to add is a hose clamp for the fuel line, since the included line can vibrate loose on some generator models.
Can I use this tank for a different brand like DuroMax or Westinghouse?
The listing says it fits some DuroMax, WEN, Westinghouse, Firman, and Sportsman generators, but I can only vouch for the Champion models I tested. I’d recommend checking your generator’s mounting hole positions against the product images first. If your model isn’t listed explicitly, you’re taking a gamble on fitment, so measure twice before you buy.
What’s the warranty on this tank?
Honestly, there’s no manufacturer warranty from YAMAKATO — the listing says “no” for the manufacturer warranty description. You’re covered by Amazon’s 30-day return policy, which I found helpful when I had to verify fitment. If you’re looking for something with a longer warranty period, you might want to look at OEM tanks instead.
My Final Verdict
The YAMAKATO ≈17×23.5″ Generator Gas Fuel Tank is a solid, affordable replacement for anyone with a compatible Champion or Honda clone generator. At 7 gallons (28.8L total capacity) and weighing just 4.6 kg, it’s light enough for one person to install and gives you hours of extra run time. I’d recommend it to DIYers who need a quick fix for a cracked tank, but not to anyone expecting heavy-duty metal construction or a long manufacturer warranty.
The plastic build isn’t the toughest I’ve seen, and the lack of a warranty is a real downside. But for the price and the fact that it comes with every part you need in the box, I’d still buy it again for my Champion 5500w — it did exactly what I needed without any fuss.
Ready to Check the Price?
If you need a complete replacement tank that fits a huge range of generators and includes all the hardware, this one is definitely worth a look.
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