fits model: Yfm350, Yfm, 350, 4x4, Bear. make: Yamaha. year: 1999.

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: YC3LXH ), ( Air Filter Mount Inner Diameter: 1.81 ), ( Air Filter Mount Outer Diameter: 1.97 ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Choke Type: Mechanical ), ( Compatible Make: For Yamaha ), ( Compatible Year: 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, 1991, 1990, 1989, 1988, 1987 ), ( Drive Type: Electric Choke ), ( Engine Type: 4-stroke ), ( Features: With E-choke ), ( Fitment 1: For Yamaha Warrior 350 Yfm350x 1987-2004 ), ( Fitment 2: For Yamaha Big Bear 350 Yfm350fw 4x4 1996-1998 ), ( Fitment 3: For Yamaha Big Bear 350 Yfm350u 1996-1998 ), ( Fitment 4: For Yamaha Wolverine 350 Yfm350fx 4x4 1995 ), ( Fitment 5: For Yamaha Kodiak 400 Yfm400fw 4x4 1993-1998 ), ( Fitment Type: Direct Replacement ), ( Intake Side Inner Diameter: 1.42 ), ( Intake Side Outer Diameter: 1.57 ), ( Items Included: Mounting Hardware ), ( Machine Type: Atv ), ( Material: Aluminum ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part ), ( Oe/oem Part Number: Yfm350 Carburetor, Carburetor, Carburettor, Carburetter, Carb, Carby ), ( Placement On Vehicle: Front ), ( Quantity: 1 Piece As Show In The Picture ), ( Type: Carburetor ), ( Universal Fitment: No )
The **Maxpeedingrods YC3LXH Carburetor** is a meticulously engineered, high-performance upgrade designed specifically for the **Yamaha Big Bear 350 YFM (YFM350) 1999 4x4 models**, including variants like the **FHL (Fuel Injection Hybrid Light) and FWBL (Fuel Injection Wild Bear Light)** configurations. This aftermarket carburetor is crafted to deliver a dramatic improvement in throttle response, power output, and overall engine efficiency, making it an ideal choice for off-road enthusiasts, trail riders, and performance-minded operators who demand more from their Yamaha Big Bear. Built with precision and backed by Maxpeedingrods reputation for quality, this carburetor features a **high-flow design** that optimizes air-fuel mixture delivery, ensuring smoother acceleration, better fuel economy, and reduced hesitation under heavy loads whether you're climbing steep trails, towing heavy loads, or pushing the engine through aggressive throttle inputs. The YC3LXH is constructed from **durable, corrosion-resistant materials**, including high-grade aluminum and reinforced seals, to withstand the harsh conditions of off-road use while maintaining reliability over extended periods. Its **easy-to-install design** allows for a straightforward swap with the stock carburetor, requiring minimal modifications to the intake system, making it a practical choice for riders who want enhanced performance without extensive mechanical overhauls. Whether you're looking to transform your Big Bear into a more responsive trail beast or simply restore lost power from wear and tear, the Maxpeedingrods YC3LXH carburetor provides a direct path to achieving those goals. With its **tuned jet settings** and refined airflow dynamics, this carburetor ensures a balanced performance boost across the entire RPM range, from low-end torque to high-speed cruising, making every ride more engaging and capable. Perfect for both stock and lightly modified engines, the YC3LXH is a testament to Maxpeedingrods commitment to delivering performance-enhancing solutions that are as robust as they are effective.
### Pros and Cons of Buying a Maxpeedingrods YC3LXH Carburetor for a 1999 Yamaha Big Bear 350 YFM (YFM350) 4x4
#### **Pros:**1. **Performance Enhancement** The YC3LXH carburetor is designed to improve throttle response, power delivery, and overall engine performance compared to the stock carburetor. It is optimized for higher airflow and better fuel mixture, which can result in noticeable gains in acceleration and top-end power.
2. **Durability and Quality** Maxpeedingrods is known for manufacturing high-quality aftermarket carburetors that are built to last. The YC3LXH is constructed with precision-machined components and is designed to handle the demands of a modified or heavily used engine.
3. **Compatibility** This carburetor is specifically engineered for the Yamaha Big Bear 350 series, including the YFM350 model. It is designed to fit seamlessly with the stock intake manifold and other related components, reducing the need for extensive modifications.
4. **Ease of Installation** Since it is a direct replacement for the stock carburetor, installation is relatively straightforward for those with basic mechanical skills. No major engine modifications are required, making it a practical upgrade for DIY enthusiasts.
5. **Fuel Efficiency and Reliability** While it is primarily a performance part, the YC3LXH is designed to maintain a balanced fuel-air mixture, which can help prevent rich-running issues that often plague stock carbs. This can contribute to better fuel efficiency and reduced risk of engine damage from poor fuel delivery.
6. **Support for Modifications** If you plan to add other performance upgrades (e.g., headers, exhaust, or a larger air filter), the YC3LXH carburetor can complement those modifications by providing better airflow and throttle control.
7. **Warranty and Customer Support** Maxpeedingrods offers warranties on their products, and their customer support is generally responsive. This provides peace of mind in case of manufacturing defects or installation issues.
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#### **Cons:**1. **Cost** The YC3LXH carburetor is more expensive than the stock carburetor. While it offers significant performance benefits, the upfront cost may be a deterrent for budget-conscious buyers. Prices typically range in the $200 $350 range, depending on the retailer and any included accessories (e.g., gaskets, jets, or tuning services).
2. **Learning Curve** If you are not familiar with carburetor tuning, adjusting the YC3LXH properly may require some trial and error. Improper tuning can lead to poor performance, fuel waste, or even engine damage. Some users may need to consult a professional or refer to detailed tuning guides.
3. **Potential for Overcomplicating the Engine** While the YC3LXH is a significant upgrade, it may not be necessary if you are only looking for mild performance improvements. For a stock or lightly modified engine, the gains may not justify the cost. If you later decide to switch to fuel injection or a different carburetor, the YC3LXH may become obsolete.
4. **Maintenance Requirements** Carburetors require regular cleaning and maintenance to function optimally. The YC3LXH, like any high-performance carb, will need periodic servicing to prevent clogging, leaks, or poor performance. This includes cleaning jets, checking seals, and ensuring the float bowl is free of debris.
5. **Compatibility with Other Mods** If your engine has other modifications (e.g., a turbocharger, supercharger, or aggressive camshaft), the YC3LXH may not be sufficient on its own. In such cases, additional components (e.g., a larger throttle body, fuel pump upgrade, or ECU tuning) may be necessary to fully realize the potential of the carburetor.
6. **Potential for Voiding Warranty** If your Yamaha is still under manufacturer warranty, installing an aftermarket carburetor like the YC3LXH may void certain aspects of the warranty. This is something to consider if you plan to keep the vehicle long-term.
7. **Limited Longevity Compared to Fuel Injection** While the YC3LXH is durable, carburetors are inherently less efficient and reliable than modern fuel injection systems. If you plan to heavily modify your engine in the future, you may eventually need to transition to fuel injection, which would render the carburetor upgrade temporary.
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### **Conclusion:**The Maxpeedingrods YC3LXH carburetor is a solid choice for Yamaha Big Bear 350 owners who want to significantly improve throttle response, power, and overall engine performance without undertaking major engine modifications. It strikes a balance between quality, compatibility, and ease of installation, making it a practical upgrade for enthusiasts who are willing to invest in performance.
However, it is not a "set-and-forget" solution. It requires proper tuning, regular maintenance, and an understanding of carburetor mechanics to avoid issues. For those on a tight budget or those who only need modest performance gains, the cost may not be justified. Additionally, if you plan to pursue more aggressive modifications (e.g., forced induction), the YC3LXH may need to be paired with additional components to fully optimize performance.
### **Recommendation:**- **Buy the YC3LXH if:** You want a noticeable power increase, have a moderately modified engine, and are willing to invest in tuning and maintenance. It is ideal for off-road use, towing, or daily driving where better throttle response is desired.
- **Avoid the YC3LXH if:** You are on a tight budget, only need minor performance improvements, or plan to switch to fuel injection in the near future. In such cases, a less expensive carburetor upgrade or other performance parts (e.g., headers, exhaust, or a larger air filter) may be more cost-effective.
- **Consider additional upgrades alongside the YC3LXH:** If you install this carburetor, pair it with a high-flow air filter, performance exhaust, and proper tuning (either through manual adjustments or ECU tuning if your bike supports it). This will ensure you get the most out of the upgrade.
Ultimately, the YC3LXH is a well-regarded carburetor for the Yamaha Big Bear 350, but whether it is the right choice for you depends on your budget, goals, and long-term plans for the vehicle.
Always the correct part. Carburetor for Yamaha Big Bear 350 YFM Yfm350 1999 4X4 FHL FWBL. For Yamaha Big Bear 350 YFM350FW 4X4 1996 - 1998. Package Contents.
Fast Shipping. For Yamaha Big Bear 350 YFM350U 1996 - 1998. 1.Made of high quality aluminum alloy, add more horse power while maintaining near stock fuel mileage. 2.Mix air and gasoline in a correct ratio to ensure proper engine function, give your machine new power.
Manufacturer. Introduction. 3.Is it ready to install and fully functional right out the box?, Yes if you adjust air/fuel mixture screw.guaranteed Fitment.
One against the carb, other engine. 3.Low fuel consumption, start fast stable idle speed, allowing you to get a better driving experience and maneuverability. For Yamaha Warrior 350 YFM350X 1987 - 2004. Quick, Simple.
The fuel and air mixture is too rich if it has an excess of fuel, while lean there not enough. Therefore, our high quality carburetor is the perfect solution for appropriate ratio of air and fuel mixture finally provides a good engine performance. Compatible model's. A carburetor is a device to mix air and fuel for internal combustion engines in the proper ratio.
This part including carburetor repair kits, in case you want to replace these components of future.