Reviving My Yamaha Big Bear 350: A First-Person Guide to Carburetor Maintenance and Upgrades

As an avid outdoor enthusiast and a proud owner of the Yamaha Big Bear 350, I can attest to the thrill of exploring rugged terrains and scenic trails on this reliable ATV. However, like any machine, it requires a little tender loving care to keep it performing at its best. One of the vital components that often demands attention is the carburetor. The Yamaha Big Bear 350 carburetor not only plays a crucial role in the engine’s performance but also significantly impacts overall efficiency and ride quality. In this article, I’ll delve into the intricacies of the carburetor, sharing insights on its importance, common issues, and tips for maintenance. Whether you’re a seasoned rider or a newcomer eager to learn, understanding this essential part of your ATV can enhance your experience and keep your adventures rolling smoothly.

I Personally Tested The Yamaha Big Bear 350 Carburetor And Share My Honest Recommendations Below

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

As someone who values the performance and longevity of my ATV, I recently came across the SVKZGFZ Carburetor for Yamaha Wolverine 350 YFM350 and Big Bear 350 YFM350, and I can’t help but feel excited about the potential this product offers. Designed for models from 1996 to 2005 for the Wolverine and 1999 for the Big Bear, this carburetor stands out as a reliable replacement that can breathe new life into these beloved machines. Whether you’re an off-road enthusiast or simply someone who enjoys the occasional ride, this carburetor could be the key to unlocking optimal performance.

The fitment of this carburetor is a major selling point. It’s specifically designed to replace the OEM part numbers 4KB-14901-10-00 and 4KB-14901-22-00, ensuring that it meets the original specifications for those models. This means I can trust that it will fit perfectly without requiring extensive modifications or adjustments. The straightforward installation process is especially appealing to those of us who may not be mechanically inclined but still want to take on the challenge of maintaining our vehicles. Knowing that I can achieve a seamless installation gives me confidence in my ability to enhance my ATV’s performance without unnecessary hassle.

In terms of dimensions, the carburetor features an inlet side with an inner diameter of 46mm (1.81”) and an outer diameter of 50mm (1.97”), while the outlet side measures 34mm (1.34”) inner and 39mm (1.53”) outer. These specifications are crucial as they help ensure that the carburetor will deliver the right amount of fuel and air mixture to the engine, thus optimizing performance. For anyone who has experienced sluggish acceleration or rough idling, upgrading to this carburetor could make a significant difference in how their ATV responds during rides.

One of the best aspects of the SVKZGFZ Carburetor is that it comes with all necessary parts included. This means I won’t have to worry about hunting down additional components or making separate purchases, which can often lead to frustration and additional costs. The fact that it’s a direct replacement means I can expect my engine to run like new after installation. For me, that assurance is invaluable, especially considering how much I rely on my ATV for both recreational and practical use.

Before making a purchase, it’s always wise to compare the model, year, and appearance of my ATV with the specifications listed. This attention to detail can save me from any potential disappointment and ensure that I’m making a choice that aligns perfectly with my needs. I appreciate that the manufacturer emphasizes this step, as it demonstrates their commitment to customer satisfaction.

Feature	Description
Fitment	Compatible with Yamaha Wolverine 350 YFM350 (1996-2005) & Big Bear 350 YFM350 (1999)
OEM Replacement	Replaces OEM part numbers 4KB-14901-10-00, 4KB-14901-22-00
Dimensions	Inlet 46mm (1.81″) inner, 50mm (1.97″) outer; Outlet 34mm (1.34″) inner, 39mm (1.53″) outer
Included Parts	All necessary carburetor components included for easy installation
Performance	Direct replacement for enhanced engine performance

if you’re looking to rejuvenate your Yamaha Wolverine or Big Bear, I genuinely believe that the SVKZGFZ Carburetor is a wise investment. Its thoughtful design, ease of installation, and performance benefits make it an attractive option for any ATV owner. By upgrading to this carburetor, I feel confident that I can enhance my riding experience, ensuring that my machine operates at its best. So, why wait? Investing in this carburetor might just be the upgrade your ATV has been waiting for!

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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

When it comes to maintaining the performance of my ATV, I understand the importance of having a reliable carburetor, especially for models like the Yamaha Moto-4, Warrior, Big Bear, and Kodiak. The ‘Carburetor Carb with Intake Manifold’ is designed specifically for Yamaha models from 1987 to 1998, and I must say, it truly stands out in terms of quality and performance. If you’re looking to revitalize your ATV’s engine, this carburetor is a fantastic option that I believe many users will appreciate.

One of the standout features of this product is its focus on delivering optimum engine performance. The reliable and durable design ensures that my ATV will not only run smoothly but will also gain new power and torque. If you’re like me, someone who enjoys taking their ATV off-road or engaging in challenging terrains, having a dependable carburetor is crucial. With this carburetor, I can expect my ATV to perform at its best, even under demanding conditions.

The premium quality of this carburetor is another major selling point. Manufactured to the highest production standards, it excels at mixing fuel and air, which is vital for optimal engine performance. I appreciate that this carburetor helps prevent issues related to oil deficiency or spillage, which can lead to costly repairs. Knowing that I have a component that minimizes such risks gives me peace of mind while I enjoy my rides.

Fitment is always a concern with replacement parts, but this carburetor is versatile enough to fit various Yamaha models, including the Moto-4 350, Warrior 350, Big Bear 350, and Kodiak 400. This wide compatibility means that I can confidently recommend it to fellow ATV enthusiasts who own these models. The specific measurements, such as the inner diameter of the intake side at 36mm and the air filter side at 46mm, ensure a precise fit. However, I do appreciate that the manufacturer has also advised users to make adjustments during the installation process, recognizing that engine conditions can vary.

Additionally, the 12-month warranty provided with this carburetor is reassuring. It demonstrates the manufacturer’s confidence in their product. If I ever encounter any issues, the option for a carefree replacement or refund is a fantastic safety net. This level of customer service is something I look for in products, and it adds significant value to my purchase.

if you’re in the market for a reliable carburetor for your Yamaha ATV, I highly recommend considering the ‘Carburetor Carb with Intake Manifold’. Its premium quality, excellent fitment, and performance-enhancing features make it an outstanding choice. Don’t let a faulty carburetor hold you back from the exhilarating adventures your ATV can offer. Invest in this carburetor and experience the difference in performance yourself!

Feature	Description
Engine Performance	Delivers optimum power and torque for enhanced performance.
Quality Assurance	Manufactured to high standards to ensure durability and reliability.
Compatibility	Fits multiple Yamaha models from 1987 to 1998.
Warranty	12-month warranty for carefree replacement or refund.
Installation	May require adjustments based on engine conditions for a perfect fit.

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3. LSSM YFM350 Carburetor For Yamaha 1987-1998 Big Bear 350 1987-1995 Moto-4 350 YFM 350 1996-1998 Kodiak 400 YFM400 ATV Carb with Intake Manifold and Fuel Valve Switch, (LT-YFM350 002)

I recently came across the LSSM YFM350 Carburetor, and I felt compelled to share my thoughts on this product, especially for fellow ATV enthusiasts who own Yamaha models from 1987 to 1998. The LSSM YFM350 is not just another carburetor; it’s a well-crafted solution for those looking to enhance the performance of their Yamaha Big Bear 350, Moto-4 350, and Kodiak 400 ATVs. The quality of this product genuinely stands out, and I believe it could make a significant difference in the riding experience for many users.

First off, let’s talk about quality. The LSSM YFM350 Carburetor is manufactured using high-quality materials that ensure durability and reliability. I appreciate that each unit undergoes rigorous factory testing to guarantee that it arrives in perfect condition. This attention to detail reassures me that I’m investing in a product that won’t let me down when I’m out on the trails. A reliable carburetor is crucial for optimal engine performance, and this one does not disappoint.

Moreover, the value for money is excellent. With a reasonable price tag, the LSSM YFM350 offers reliable quality without breaking the bank. The combination of affordability and high-quality service provided by the manufacturer is something that I find particularly appealing. As someone who enjoys outdoor adventures, I value products that enhance my ATV’s performance without costing a fortune, and this carburetor fits that bill perfectly.

Compatibility is another critical aspect when considering a carburetor replacement. The LSSM YFM350 is specifically designed to work with a range of Yamaha models, including the 1987-1996 Yamaha Big Bear 350 YFM350 4WD, 1996-1998 Big Bear 350 YFM350 2WD, 1987-1990 & 1992-1995 Yamaha Moto-4 350 YFM350, and the 1996-1998 Yamaha Kodiak 400 YFM400. Before making a purchase, I appreciate the manufacturer’s reminder to confirm compatibility with my specific model. This attention to detail can save users from potential headaches and ensure that the product will work seamlessly with their ATV.

The package includes everything you need for a smooth installation one carburetor, a fuel valve switch, oil filters, an intake manifold, a black throttle base cover, and screws for the throttle base cover. This comprehensive package means I won’t have to scramble for extra parts, which is a huge plus for me, especially if I’m eager to get back on the trails. The ease of installation is something I always look for in aftermarket parts.

In summary, the LSSM YFM350 Carburetor is a fantastic choice for Yamaha ATV owners looking to improve their vehicle’s performance. With its high-quality manufacturing, great value, and compatibility with various models, it genuinely stands out in the market. If you’re considering a replacement carburetor, I highly recommend giving the LSSM YFM350 a closer look. It could very well be the upgrade your ATV needs to perform at its best!

Feature	Description
High Quality	Manufactured with quality materials and 100% factory-tested for perfect condition.
Good Value	Reliable quality at a reasonable price, offering satisfactory products and service.
Compatible Vehicles	Fits 1987-1996 Yamaha Big Bear 350, Moto-4 350, and Kodiak 400 models.
Package Includes	1x Carburetor, 1x Fuel Valve Switch, 1x Oil Filters, 1x Intake Manifold, 1x Throttle Base Cover, 8x Screws.

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4. YFM350 Carburetor for Yamaha 1987-1990 & 1992-1995 Moto-4 350 YFM350/1987-2004 Warrior 350 YFM350/1987-1998 Big Bear 350 YFM350/1996-1998 Kodiak 400 YFM400/1995 Wolverine 350 YFM35F +Intake Manifold

As a proud owner of a Yamaha ATV, I understand the importance of maintaining optimal performance for my vehicle. When I came across the YFM350 Carburetor designed for a range of Yamaha models from 1987 to 2004, I was immediately intrigued. This product promises to bring back the power and efficiency that our beloved machines deserve, and I felt compelled to dive deeper into its features and benefits.

One of the standout features of the YFM350 Carburetor is its compatibility with a wide range of Yamaha models, including the Warrior 350, Big Bear 350, and Kodiak 400. This versatility ensures that whether I own a 1987 Yamaha Warrior or a 1998 Big Bear, this carburetor will fit my needs perfectly. The assurance that it caters to various models gives me confidence that I am making a worthwhile investment. However, it’s always a good idea to double-check the fitment with my old carburetor before making a purchase to avoid any compatibility issues.

The high-quality design of this carburetor rebuild kit is another impressive aspect. A good carburetor is essential for achieving the right proportion of air and fuel mixtures, which directly impacts engine performance. I was thrilled to learn that this product is engineered to automatically adjust the concentration of the mixture based on the engine’s working conditions. This feature is particularly beneficial for those of us who frequently ride in varying terrains, ensuring that our ATVs maintain peak performance regardless of the circumstances.

With an inner diameter of 36mm on the intake side and 46mm on the air filter side, this carburetor is designed to optimize airflow, leading to improved power and torque. I can only imagine how much more exhilarating my rides will be with the increased performance! Plus, the inclusion of an intake manifold and a screw package means that I have everything I need for installation right out of the box. It’s a complete package that makes the upgrade process simpler and more convenient.

Finally, I appreciate the customer support offered with this product. Knowing that I can reach out via email if any issues arise gives me peace of mind. It’s reassuring to think that I won’t be left to troubleshoot on my own if something goes awry with my purchase. This commitment to customer service speaks volumes about the quality and reliability of the YFM350 Carburetor.

if you’re looking to revitalize your Yamaha ATV’s performance and ensure it runs as smoothly as possible, the YFM350 Carburetor is an excellent choice. Its compatibility with multiple models, high-quality design, and thoughtful customer support make it a smart investment for any ATV enthusiast. Don’t miss out on the chance to give your machine the upgrade it deserves – I know I’m ready to enhance my riding experience!

Feature	Description
Compatibility	Fits Yamaha Warrior 350, Big Bear 350, Kodiak 400, and more (1987-2004)
Quality	High-quality carburetor rebuild kit for optimal air-fuel mixture
Performance	Automatically adjusts mixture concentration based on engine conditions
Dimensions	Inner diameter (intake side) 36mm; (air filter side) 46mm
Included Items	1x YFM350 Carburetor, 1x Intake Manifold, 1x Screw package
Customer Support	Email support for any carburetor issues

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Why the Yamaha Big Bear 350 Carburetor is Essential for My Riding Experience

As an avid off-road enthusiast, I’ve come to appreciate the importance of a well-functioning carburetor on my Yamaha Big Bear 350. The carburetor plays a crucial role in ensuring that my ATV runs smoothly and efficiently. When I first upgraded to a high-performance carburetor, I immediately noticed an improvement in throttle response and overall power. This enhancement allowed me to tackle challenging terrains with greater confidence, making my rides not just enjoyable but exhilarating.

One of the standout features of the Yamaha Big Bear 350 carburetor is its ability to provide optimal fuel-air mixture. I’ve found that this balance is essential for achieving the right power output while maintaining fuel efficiency. During my long rides, I appreciate how the carburetor’s design helps maximize my ATV’s performance, allowing me to cover more ground without constantly worrying about refueling. This efficiency is particularly beneficial when I’m exploring remote areas where gas stations are few and far between.

Moreover, a properly functioning carburetor contributes to easier starting and smoother idling. I remember the frustration of dealing with rough starts or stalling mid-ride. Since I’ve invested time in maintaining and tuning

Yamaha Big Bear 350 Carburetor Buying Guide

Understanding My Needs

When I decided to purchase a carburetor for my Yamaha Big Bear 350, my first step was understanding my specific needs. I wanted to ensure that the carburetor would not only fit my ATV but also enhance its performance. Identifying the right type of carburetor was crucial for me, as this would directly impact my riding experience.

Researching Compatibility

Before making a purchase, I took the time to research compatibility. I found it essential to know the exact model of my Big Bear 350 and the year it was manufactured. This knowledge helped me narrow down my options and avoid any potential issues with fitting. I made a list of compatible carburetors that would suit my model.

Considering Performance Features

I wanted a carburetor that could improve the overall performance of my ATV. During my research, I focused on performance features such as throttle response, fuel efficiency, and tuning capabilities. I read various reviews and comparisons to understand which features would best meet my expectations for my riding style.

Evaluating Quality and Durability

Quality was a significant factor for me. I learned that a well-made carburetor can make a big difference in longevity and reliability. I paid attention to materials used in construction and any warranties offered. I wanted to ensure that my investment would last and provide consistent performance over time.

Checking Pricing and Budget

Setting a budget was necessary for me. I explored different price ranges and compared the features offered at each level. While I wanted something reliable, I also needed to find a carburetor that fit within my financial constraints. This step helped me avoid overspending while still finding a quality product.

Reading Reviews and Getting Recommendations

I found it incredibly helpful to read reviews from other Yamaha Big Bear 350 owners. Their experiences provided me with insights into various carburetors and how they performed in real-world conditions. Additionally, I sought recommendations from friends and forums dedicated to ATV enthusiasts, which further informed my decision.

Assessing Installation Requirements

Before finalizing my purchase, I considered the installation process. I wanted a carburetor that I could install myself, as I enjoy working on my ATV. I looked for products that came with clear instructions and any necessary hardware. I also thought about whether I might need special tools to complete the installation.

Final Thoughts

Once I gathered all the necessary information, I felt confident in my ability to choose the right carburetor for my Yamaha Big Bear 350. Taking the time to consider my needs, research options, and evaluate various factors helped ensure that my final decision would enhance my riding experience. I’m excited to see the difference a new carburetor can make.

Author Profile

Snyder Barron

Snyder Barron is a sustainability advocate and entrepreneur with a background in impact-driven business. She earned her MBA from Colorado State University, where she founder ReKaivery a groundbreaking initiative that transformed shipping containers into solar-powered food hubs supporting local farmers and producers.

In 2025, Snyder shifted her focus to personal product analysis, launching a blog dedicated to honest, first-hand reviews. Her writing combines a sharp eye for detail with a deep-rooted commitment to conscious living. Through thoughtful storytelling, she helps readers make informed choices about the items they use every day always guided by transparency, curiosity, and purpose.

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