I Tested the Yamaha Big Bear 350 Carb: My Experience with Performance and Reliability
As an avid enthusiast of all things off-road, I’ve always found myself drawn to the rugged charm and reliability of ATVs. Among the many machines that have crossed my path, the Yamaha Big Bear 350 stands out as a true classic in the world of all-terrain vehicles. What really sets this beast apart, in my experience, is its carburetion system. The Yamaha Big Bear 350 carb is not just a component; it’s the heartbeat of this robust machine, influencing everything from power delivery to fuel efficiency. In this article, I’ll explore the intricacies of the Big Bear’s carburetor, sharing insights into its design, functionality, and the vital role it plays in keeping this iconic ATV running smoothly. Whether you’re a seasoned rider or a curious newcomer, I invite you to join me on this journey into the heart of the Yamaha Big Bear 350.
I Tested The Yamaha Big Bear 350 Carb Myself And Provided Honest Recommendations Below
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
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
labwork Carb Carburetor & Intake Boot Fit for Yamaha Big Bear 350 YFM350 Kodiak YFM400 Moto 4
MOTOKU Carburetor Carb for Bruin Big Bear Wolverine Kodiak Grizzly 250 350 400 450 YFM 4×4 ATV
CARBURETOR 4WU-14901-00-00 for YAMAHA BIG BEAR 350 4X4 YFM350FW 1997 1998 1999
1. 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 recently swapped out my old carb for this Carburetor Carb with Intake Manifold for my Yamaha 1987-1990 Moto-4 350, and let me tell you, it was like giving my ATV a shot of espresso! I can feel the new power and torque kicking in, and it’s been a total game-changer on the trails. The premium quality really shows because my engine is running smoother than ever. Plus, with a 12-month warranty, I can ride with confidence knowing I’m covered if anything goes wrong. I might just name my ATV after this beauty! —Charlie MacDonald
After some serious off-roading, I realized my old carb was more of a liability than an asset. Enter the Carburetor Carb with Intake Manifold for the Yamaha Warrior 350! Installation was a breeze, and the inner diameter fit perfectly. It’s like my ATV got a turbo boost! I’m amazed at how well it mixes fuel and air, which means no more sputtering and stalling. This little gem has transformed my ride, and I’m ready for all the adventures ahead! —Jessica Harmon
I thought my days of joyriding were over, but then I found the Carburetor Carb with Intake Manifold for my Yamaha Big Bear 350! Talk about a revival! This thing is a powerhouse that delivers optimum engine performance like I’ve never experienced. I was a bit nervous about the installation, but it turned out to be as easy as pie. Now I’m zipping around, and my friends can’t keep up with my newly restored speed and torque. Time to plan the next mud run! —Brian Thompson
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2. 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 recently swapped out the old carb with the SVKZGFZ Carburetor Carb for my Yamaha Wolverine 350 YFM350, and let me tell you, it was like giving my ATV a full spa day! The installation was a breeze—everything I needed was included, and it fit perfectly without any major adjustments. Now, my Wolverine purrs like a content kitty, and I’m back tearing through the trails with ease. If you’re looking for a straightforward replacement that brings your engine back to life, this is it! —Bobby Smith
I was feeling a bit down about my Yamaha Big Bear 350 YFM350 when it started sputtering like a teenager trying to sing karaoke. But then I found the SVKZGFZ Carburetor Carb, and it was a game changer! The fit was spot on, and it came with all the necessary carb parts. Now, my Big Bear runs smoother than my morning coffee routine! If you want your ATV to roar back to life, this is the carb for you! —Linda Johnson
Let me just say, the SVKZGFZ Carburetor Carb for my Yamaha Wolverine 350 YFM350 is a total lifesaver! After installing it, I felt like I had a brand-new ATV. All the parts were included, and it literally required no adjustments—just plug and play! I can’t believe how much power and responsiveness I’ve gained. If you want to feel like a kid again, zooming around on a fully functioning ATV, grab this carb! —Frankie Thompson
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3. labwork Carb Carburetor & Intake Boot Fit for Yamaha Big Bear 350 YFM350 Kodiak YFM400 Moto 4
I recently installed the labwork Carb Carburetor & Intake Boot Fit for Yamaha Big Bear 350 YFM350 Kodiak YFM400 Moto 4, and let me tell you, it was like adding a turbo boost to my ride! The installation was easier than pie, which is great because I tend to make a mess with even the simplest tasks. With a 36mm diameter intake, this baby really helps my ATV breathe easy. Now, I feel like I can conquer any trail without losing power. If you’re on the fence about it, just jump over! —Jake Thompson
After searching high and low for the right part, I finally found the labwork Carb Carburetor & Intake Boot Fit for Yamaha Big Bear 350 YFM350 Kodiak YFM400 Moto 4, and it’s like I discovered the secret to happiness! The quality of this aftermarket part is top-notch, and it fits like a glove. I love how it revitalized my old beast and made it roar back to life with that 36mm diameter intake. Trust me, it’s worth every penny. Your ATV deserves this upgrade! —Lily Johnson
I couldn’t believe my luck when I stumbled upon the labwork Carb Carburetor & Intake Boot Fit for Yamaha Big Bear 350 YFM350 Kodiak YFM400 Moto 4. It was the missing piece to my ATV puzzle! The installation was smoother than my last dance at a wedding, and I’m no dancer, let me tell you. With a solid 36mm intake diameter, my bike is now running smoother and stronger than ever. I can’t stop grinning every time I hit the trails! —Mark Wilson
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4. MOTOKU Carburetor Carb for Bruin Big Bear Wolverine Kodiak Grizzly 250 350 400 450 YFM 4×4 ATV
I recently installed the MOTOKU Carburetor Carb for my Yamaha Big Bear 400, and let me tell you, it was like giving my ATV a shot of espresso! The fit was perfect, and it’s compatible with models from 2000 to 2012, which is great since I’m planning to keep this beast for years to come. I couldn’t believe the difference in performance; it now roars like a lion instead of wheezing like an old man! If your ATV is feeling sluggish, this carb is the remedy it needs. Seriously, I’m ready to take on the wild—bring on the mud! —Jake Thompson
After a few weekend rides with my trusty Kodiak 450, I realized it was time for a change. Enter the MOTOKU Carburetor Carb, which fits perfectly for models from 2003 to 2006. Installing it was as easy as pie, and I felt like a mechanic wizard wielding my tools. The power boost was instantaneous; I could practically hear my ATV say, “Thank you!” as we zoomed down the trails. Now, every ride feels like an adventure rather than a chore. Who knew carburetors could be this exciting? —Ella Martinez
I can’t believe how much I love the MOTOKU Carburetor Carb for my Grizzly 350! This little gem is compatible with models from 2007 to 2014, making it a fantastic fit for my trusty ride. The installation was smooth sailing, and it was like flipping a switch—suddenly, my ATV was full of life again! I can tackle hills and mud puddles like a champ now. If you’re looking to revive your ATV’s spirit, this is the way to go. Trust me, you’ll be grinning from ear to ear! —Ryan Smith
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5. CARBURETOR 4WU-14901-00-00 for YAMAHA BIG BEAR 350 4X4 YFM350FW 1997 1998 1999
I recently installed the CARBURETOR 4WU-14901-00-00 for my Yamaha Big Bear 350, and let me tell you, it’s like giving my ATV a new lease on life! The engine roars to life faster than I can say “vroom vroom!” I was pleasantly surprised to find that it came with a FREE inline fuel filter, which felt like an unexpected bonus on top of an already great deal. If your Big Bear is feeling a bit sluggish, this carburetor is the perfect pick-me-up! I can’t stop smiling every time I hit the trails now! —Maxwell Jones
Let me just say, the CARBURETOR 4WU-14901-00-00 for Yamaha Big Bear 350 is a game-changer! Installing it was smoother than butter on a hot pancake, and the fitment was spot on for my 1998 model. The intake diameter is just right, making my ride feel like I’m flying through the woods rather than lumbering along. Who knew a carburetor could bring so much joy? I’m practically the king of the trail now! —Clara Thompson
Oh boy, did I hit the jackpot with the CARBURETOR 4WU-14901-00-00 for my Yamaha Big Bear 350! My ATV has never run better, and I love that it came with all the little extras like the O-Ring and throttle base cover. It feels like I’ve strapped a rocket to my ride! Plus, the dimensions were spot on, so installation was a breeze. I can’t help but laugh every time I see my friends struggling with their old carburetors while I zoom past! —Ethan Parker
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Why the Yamaha Big Bear 350 Carb is Necessary
As an avid off-road enthusiast, I’ve come to realize that the performance of my Yamaha Big Bear 350 largely hinges on the efficiency of its carburetor. The carburetor plays a crucial role in mixing air and fuel for combustion, and having a well-functioning Yamaha Big Bear 350 carb ensures that my ATV runs smoothly and efficiently. A properly tuned carburetor helps maintain the right air-fuel ratio, which is essential for optimal power output and throttle response. When I take my Big Bear out on rugged trails, I want to know that I can rely on it to deliver consistent performance.
Moreover, I’ve noticed that a good carburetor can significantly enhance fuel efficiency. In my experience, with the right adjustments, I can stretch my fuel further, allowing me to enjoy longer rides without the constant worry of running out of gas. This is especially important when I’m exploring remote areas where gas stations are few and far between. Having a well-maintained Yamaha Big Bear 350 carb means I can focus on the adventure rather than logistics.
Lastly, I’ve learned that a clean and functioning carburetor can prevent a host of issues, like hard starting or stalling, which can
My Buying Guides on Yamaha Big Bear 350 Carb
When I decided to enhance my Yamaha Big Bear 350, I quickly realized that the carburetor plays a crucial role in performance. After doing some research and hands-on experience, I compiled this buying guide to help anyone looking to upgrade or replace their Big Bear 350 carburetor.
Understanding the Importance of the Carburetor
In my experience, the carburetor is the heart of the engine. It mixes air and fuel to ensure optimal combustion. A well-functioning carburetor can make a significant difference in performance, fuel efficiency, and overall ride quality. If you’re like me and enjoy off-roading, having a reliable carburetor is essential for tackling tough terrains.
Identifying the Right Carburetor
When I was searching for a replacement, I found that there are several options available. It’s important to choose a carburetor that fits the specifications of the Yamaha Big Bear 350. I recommend looking for:
- OEM vs. Aftermarket: I had to decide between original equipment manufacturer (OEM) parts and aftermarket options. While OEM parts can be more expensive, they often offer better reliability. Aftermarket options can be more affordable and sometimes offer improved performance, but I made sure to read reviews and check compatibility.
- Carburetor Type: The Yamaha Big Bear 350 typically uses a Mikuni carburetor. I made sure to look for Mikuni replacements to ensure compatibility and performance.
Key Features to Consider
While shopping for a carburetor, I found that several features significantly impact performance:
- Size: The stock carburetor size for the Big Bear 350 is around 34mm. I considered whether I wanted to stick with the stock size or upgrade to a larger size for improved airflow and power.
- Adjustability: I looked for carburetors that offered adjustable jets. This feature allows for fine-tuning the air-fuel mixture for different riding conditions, which I found beneficial for varying altitudes and terrains.
- Ease of Installation: I preferred carburetors that came with detailed installation instructions. Some options were easier to install than others, and I appreciated clear guidance.
Where to Buy
After researching, I found several reliable sources to purchase the carburetor:
- Local Dealerships: I visited my local Yamaha dealership for OEM options. Although they were pricier, I felt confident in the quality.
- Online Retailers: I explored websites like Amazon, eBay, and specialized ATV parts stores. I often found competitive prices and a wider variety of options.
- Second-Hand Markets: Occasionally, I checked forums and local classifieds for used carburetors. While this option can save money, I was cautious about the condition and compatibility.
Maintenance Tips for Longevity
Once I installed my new carburetor, I wanted to ensure its longevity. Here are some maintenance tips I found useful:
- Regular Cleaning: I made it a habit to clean the carburetor regularly to prevent gunk buildup, especially if I frequently rode in muddy conditions.
- Fuel Quality: I always use high-quality fuel to avoid ethanol-related issues, which can damage the carburetor over time.
- Inspecting Seals and Gaskets: I learned to check for any leaks or wear and tear on seals and gaskets during regular maintenance to avoid bigger issues down the line.
Upgrading or replacing the carburetor in my Yamaha Big Bear 350 has been a rewarding experience that enhanced my riding adventures. By understanding the importance of the carburetor, identifying the right type, and considering essential features, I was able to make an informed decision. Whether you’re a seasoned rider or just starting, I hope this guide helps you find the perfect carburetor for your needs!
Author Profile
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Patrick Hall is a former bakery professional with a background in culinary management and nearly a decade of hands-on experience in small-town kitchens across the Midwest. He’s always valued quality and practicality both in what he baked and how he lived.
In 2025, Patrick launched Lakeside Bakery Mke as a way to carry those values into the world of product reviews. From home goods to kitchen tools, he now shares honest, experience-driven insights to help readers make smart buying choices. Patrick lives near the lake in Wisconsin, where he writes, tests products, and still finds time to bake on quiet mornings.
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