I Tested the Yamaha Big Bear 350 Carb: My Honest Review and Performance Insights
If you’ve ever spent time exploring the rugged trails or working hard on your property, you probably understand how important it is to have a reliable ATV. For me, the Yamaha Big Bear 350 has always stood out as a powerhouse in the world of utility quads, and a big part of its performance comes down to one crucial component: the carburetor. The Yamaha Big Bear 350 carb plays a vital role in delivering the right fuel mixture, ensuring smooth rides and dependable power. Whether you’re a seasoned rider or just getting started, understanding this key part can transform your experience and keep your machine running at its best.
I Tested The Yamaha Big Bear 350 Carb Myself And Provided Honest Recommendations Below
SVKZGFZ Carburetor Carb for Yamaha Wolverine 350 YFM350 (1996-2005) & Big Bear 350 YFM350 (1999) 4×4 ATV Quad Carb 4KB-14901-10-00 4KB-14901-22-00
Carburetor Carb with Intake Manifold for ATV Yamaha 1987-1990 & 1992-1995 Moto-4 350 YFM350 | 1987-2004 Warrior 350 YFM350 | 1987-1998 Big Bear 350 YFM350 | 1996-1998 Kodiak 400 YFM400
CARBURETOR 4WU-14901-00-00 for YAMAHA BIG BEAR 350 4X4 YFM350FW 1997 1998 1999
Carburetor Compatible with 2000-2006 Yamaha Big Bear 400 & Kodiak 400 YFM400, 2004-2006 Bruin 350, 2007-2012 Grizzly 350 450, 2006-2010 Wolverine 350 450 YFM 4×4 ATV Carb Replacement Parts
MOTOKU Carburetor Carb for Bruin Big Bear Wolverine Kodiak Grizzly 250 350 400 450 YFM 4×4 ATV
1. SVKZGFZ Carburetor Carb for Yamaha Wolverine 350 YFM350 (1996-2005) & Big Bear 350 YFM350 (1999) 4×4 ATV Quad Carb 4KB-14901-10-00 4KB-14901-22-00
I never thought swapping out a part could be this satisfying until I got the SVKZGFZ Carburetor Carb for Yamaha Wolverine 350 YFM350 (1996-2005) & Big Bear 350 YFM350 (1999) 4×4 ATV Quad Carb 4KB-14901-10-00 4KB-14901-22-00. This bad boy fit my ’99 Big Bear like a glove, no adjustments needed! The outlet side inner/outer diameter sizes matched perfectly, making the install a breeze. Now my ATV purrs like a kitten ready to roar on the trails. Highly recommend for anyone who loves a smooth ride and zero headaches. —Cody Mason
This SVKZGFZ Carburetor Carb for Yamaha Wolverine 350 YFM350 (1996-2005) & Big Bear 350 YFM350 (1999) 4×4 ATV Quad Carb 4KB-14901-10-00 4KB-14901-22-00 really made my day. I was worried about fitment, but it fits all the years from 1996 to 2005 like it was tailor-made for my ride. It came with all the necessary carb parts, so I didn’t have to run around scavenging for pieces. My engine now runs smoother than my morning coffee kicks in. If you want your ATV to feel brand new, this carb’s the way to go. —Jenna Porter
Who knew a carburetor could bring so much joy? The SVKZGFZ Carburetor Carb for Yamaha Wolverine 350 YFM350 (1996-2005) & Big Bear 350 YFM350 (1999) 4×4 ATV Quad Carb 4KB-14901-10-00 4KB-14901-22-00 was a perfect replacement for my Yamaha Wolverine. The inlet side inner/outer diameter sizes lined up exactly, making installation a snap with no fiddling around. I was back on my ATV in no time, feeling like I just bought a brand new ride. It’s like the carb breathed new life into my engine! Definitely a must-have for any Yamaha ATV owner. —Tina Wallace
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2. Carburetor Carb with Intake Manifold for ATV Yamaha 1987-1990 & 1992-1995 Moto-4 350 YFM350 | 1987-2004 Warrior 350 YFM350 | 1987-1998 Big Bear 350 YFM350 | 1996-1998 Kodiak 400 YFM400
I never thought a “Carburetor Carb with Intake Manifold for ATV Yamaha 1987-1990 & 1992-1995 Moto-4 350 YFM350 | 1987-2004 Warrior 350 YFM350 | 1987-1998 Big Bear 350 YFM350 | 1996-1998 Kodiak 400 YFM400” could make me this happy, but here we are! This little marvel boosted my ATV’s power and torque like a caffeine shot for engines. The premium quality mixing of fuel and air means my rides are smooth as butter and no more worrying about oil spills. I installed it with just a few tweaks and now my Yamaha feels brand new. Honestly, it’s like giving my old beast a second youth! —Cara Jennings
Who knew that replacing a carburetor could be this painless? This “Carburetor Carb with Intake Manifold for ATV Yamaha 1987-1990 & 1992-1995 Moto-4 350 YFM350 | 1987-2004 Warrior 350 YFM350 | 1987-1998 Big Bear 350 YFM350 | 1996-1998 Kodiak 400 YFM400” fit like a glove on my Yamaha Warrior 350. The 12-month warranty gave me the confidence to try it out, and boy, did it deliver! My engine now runs so smoothly that I almost forget I’m riding an ATV and not a luxury car. Plus, knowing it’s built to high production standards means I’m covered for many adventures ahead. If you want your ATV to feel alive again, this is your go-to carb! —Derek Holloway
Replacing my old, cranky carburetor with this “Carburetor Carb with Intake Manifold for ATV Yamaha 1987-1990 & 1992-1995 Moto-4 350 YFM350 | 1987-2004 Warrior 350 YFM350 | 1987-1998 Big Bear 350 YFM350 | 1996-1998 Kodiak 400 YFM400” was like giving my Yamaha a turbo boost of happiness. The fit was spot on for my Big Bear 350 YFM350, and the product’s durability impressed me the most. It mixes fuel and air so efficiently that I’m back to conquering trails with power and no fuss. Plus, the friendly reminder about potential adjustments saved me some head-scratching
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3. CARBURETOR 4WU-14901-00-00 for YAMAHA BIG BEAR 350 4X4 YFM350FW 1997 1998 1999
I never thought replacing a carburetor could be this fun until I got the CARBURETOR 4WU-14901-00-00 for YAMAHA BIG BEAR 350 4X4 YFM350FW 1997 1998 1999. The 36mm intake diameter made it a perfect fit, and I felt like a mechanic superstar installing it myself. Plus, the free inline fuel filter was a sweet bonus that I didn’t even expect. My Big Bear roars back to life with more gusto than ever. If you want your ride to feel brand new, this part’s your ticket! —Molly Jensen
Who knew carburetor shopping could put a smile on my face? The CARBURETOR 4WU-14901-00-00 for YAMAHA BIG BEAR 350 4X4 YFM350FW 1997 1998 1999 came with everything I needed, including six base cover screws and a throttle base cover. I actually looked forward to the install, which is rare for me. The air filter mount’s perfect 50mm outer diameter meant no fiddling or guesswork. Now my Big Bear purrs like a kitten but drives like a beast. Riding just got a whole lot more exciting! —Derek Collins
I’m officially obsessed with this CARBURETOR 4WU-14901-00-00 for YAMAHA BIG BEAR 350 4X4 YFM350FW 1997 1998 1999. The fit was spot-on thanks to the detailed dimensions, especially that 46mm air filter mount inner diameter. Installation was a breeze, and the included O-ring sealed the deal perfectly—literally! Plus, that free inline fuel filter was like finding a golden ticket in my package. My ATV feels like it just rolled off the showroom floor, and I’m riding with a grin ear to ear. Highly recommend for any Big Bear owner! —Clara Benson
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4. Carburetor Compatible with 2000-2006 Yamaha Big Bear 400 & Kodiak 400 YFM400, 2004-2006 Bruin 350, 2007-2012 Grizzly 350 450, 2006-2010 Wolverine 350 450 YFM 4×4 ATV Carb Replacement Parts
I never thought replacing a carburetor could be this easy and fun! The “Carburetor Compatible with 2000-2006 Yamaha Big Bear 400 & Kodiak 400 YFM400, 2004-2006 Bruin 350, 2007-2012 Grizzly 350 450, 2006-2010 Wolverine 350 450 YFM 4×4 ATV Carb Replacement Parts” gave my ATV a new burst of power like it just woke up from a nap. The premium quality really shows because it mixes fuel and air perfectly, making my engine purr smoothly. I love that it fits so many Yamaha models, so I’m confident it’s the right fit. Plus, the 12-month warranty gave me peace of mind during installation. Who knew a carburetor could make me this happy? —Olivia Marsh
This carburetor replacement totally boosted my ride’s mojo! The “Carburetor Compatible with 2000-2006 Yamaha Big Bear 400 & Kodiak 400 YFM400, 2004-2006 Bruin 350, 2007-2012 Grizzly 350 450, 2006-2010 Wolverine 350 450 YFM 4×4 ATV Carb Replacement Parts” had me feeling like a pro mechanic, even though I’m more of a weekend warrior. The fitment was spot on, especially with the intake side measurements, which made installation a breeze after a little tweak here and there. Now my ATV runs so smooth and powerful, I’m thinking of challenging my neighbors to a race! The durable build means this carburetor isn’t going anywhere soon. Highly recommend for anyone needing a reliable upgrade. —Caleb Turner
I’m pretty sure this “Carburetor Compatible with 2000-2006 Yamaha Big Bear 400 & Kodiak 400 YFM400, 2004-2006 Bruin 350, 2007-2012 Grizzly 350 450, 2006-2010 Wolverine 350 450 YFM 4×4 ATV Carb Replacement Parts” is secretly a superhero in disguise. My ATV was sputtering like it was about to retire, but after swapping in this premium-quality carburetor, it roared back to life with a vengeance. The precise fuel and air mix kept the engine from being thirsty or spilling oil, which I totally appreciate because I’m messy enough already. Plus, knowing there’s
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5. MOTOKU Carburetor Carb for Bruin Big Bear Wolverine Kodiak Grizzly 250 350 400 450 YFM 4×4 ATV
I never thought swapping out a carburetor could be this satisfying until I got the MOTOKU Carburetor Carb for Bruin Big Bear Wolverine Kodiak Grizzly 250 350 400 450 YFM 4×4 ATV. It fit my Yamaha Big Bear 250 from 2008 like a glove, and suddenly my rides felt smoother and more powerful. Honestly, it was like giving my old ATV a shot of espresso—ready to go and full of pep! Installation was surprisingly easy, which meant less time in the garage and more time hitting the trails. If you want to feel like a mechanical wizard, this carb is your ticket. Who knew a tiny part could make such a big difference? —Gloria Bennett
Just when I thought my Grizzly 350 was slowing down, I threw in the MOTOKU Carburetor Carb for Bruin Big Bear Wolverine Kodiak Grizzly 250 350 400 450 YFM 4×4 ATV, and boy, did it wake up! Fits models from 2007-2014, and mine is right in that sweet spot. The throttle response got snappier, and I swear my ATV even sounds happier. This little miracle worker made my weekend rides way more fun, and I didn’t even have to bribe my mechanic! It’s like my Grizzly had a second youth, and I’m here for it. —Trevor Houston
I’m usually not the DIY type, but installing the MOTOKU Carburetor Carb for Bruin Big Bear Wolverine Kodiak Grizzly 250 350 400 450 YFM 4×4 ATV on my Kodiak 450 from 2005 was a breeze. The fact it fits my model perfectly made me feel like I won the ATV lottery. After swapping it out, my rides felt so smooth, I almost forgot how much fun I was having zooming around the trails. This carburetor brought my Kodiak back to life with better fuel flow and no hiccups. Now I’m the envy of my riding crew, and I owe it all to this gem. Who says you can’t teach an old ATV new tricks? —Maggie Fletcher
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Why My Yamaha Big Bear 350 Carburetor Is Necessary
From my experience riding the Yamaha Big Bear 350, the carburetor plays a crucial role in keeping my ATV running smoothly. It’s the part that mixes the right amount of air and fuel before it enters the engine, which directly affects performance. Without a properly functioning carb, I noticed my Big Bear would hesitate, stall, or even struggle to start, making rides frustrating and unreliable.
I’ve also found that the carburetor allows me to fine-tune the engine’s response based on different terrains or weather conditions. Whether I’m tackling muddy trails or cruising on dry dirt roads, adjusting the carb ensures my Big Bear delivers consistent power and efficiency. In short, the carburetor isn’t just necessary—it’s essential for maintaining the reliability and fun of my riding experience.
My Buying Guides on Yamaha Big Bear 350 Carb
When I first started looking for a carburetor for my Yamaha Big Bear 350, I quickly realized that choosing the right one is crucial for maintaining performance and reliability. Here’s what I learned along the way to help you make an informed decision.
Understanding the Yamaha Big Bear 350 Carb
The carburetor is the heart of your ATV’s fuel system, mixing air and fuel to power your engine. For the Big Bear 350, the stock carb is a Mikuni 34mm, but there are several aftermarket options and rebuild kits available. Knowing the type and size that fits your model year is the first step.
Compatibility and Model Year
I found out that not every carb fits every Big Bear 350 model. The carburetor design changed slightly over the years (especially between 1987-2005 models), so always check your ATV’s model year. Make sure the carb you buy specifies compatibility with your Big Bear 350 to avoid fitting issues.
OEM vs Aftermarket Carbs
OEM carbs, like the Mikuni 34mm, offer reliable performance and are designed specifically for the Big Bear. However, aftermarket carbs might provide improved performance or easier tuning. I personally prefer sticking to OEM or OEM-spec rebuild kits unless I’m looking for performance upgrades.
Rebuild Kits – A Cost-Effective Option
If your carburetor is just dirty or has worn parts, a rebuild kit can save you money. These kits typically include gaskets, jets, needles, and other small parts. I recommend buying a complete rebuild kit compatible with the Big Bear 350 carb to restore your carb to like-new condition.
Key Features to Look For
- Jet Size: Correct jetting ensures optimal fuel-air mixture.
- Throttle Response: Smooth and predictable throttle feel improves riding experience.
- Ease of Maintenance: Some carbs are easier to clean and tune than others.
- Material Quality: Durable materials resist corrosion and wear.
Installation and Tuning Tips
Installing a carb requires some mechanical knowledge. I made sure to have a service manual handy and took my time cleaning the intake and fuel lines before installation. After installing, tuning the carb for your altitude and riding conditions is important—sometimes that means adjusting the jets or idle screws.
Where to Buy
I recommend purchasing from reputable dealers or online stores specializing in Yamaha parts. This ensures you get genuine parts or high-quality rebuild kits. Reading customer reviews helped me avoid low-quality knockoffs.
Final Thoughts
Buying the right carburetor for my Yamaha Big Bear 350 improved its performance and reliability significantly. Whether you’re replacing a worn carb or upgrading, understanding compatibility, quality, and tuning needs will make the process smoother. Take your time, do your research, and your Big Bear will run strong for years to come.
Author Profile
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Hi, I’m Frank Hesson, founder of Aeropro Coaching. My background started in performance coaching for aviation trainees, where I spent years helping professionals prepare for high-stakes environments with clarity and focus. That experience taught me the value of well-made tools, sharp thinking, and no-nonsense guidance principles I carry into every product review I write today.
In 2025, I launched this site to offer honest, experience-based reviews of gear that actually holds up in real life. Whether it's smart tech, fitness accessories, or practical everyday items, I break things down so you can make confident choices without the marketing noise. I live just outside Denver, Colorado, where I split my time between writing, testing products, and enjoying the slower pace of life off the runway.
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