fits model: Yfm400f, Yfm400, 400, 4x4, 2x4, Bear. make: Yamaha.

( Brand: Moose Racing ), ( Manufacturer Part Number: 231909 ), ( Part Type: Carburetor )
The Moose Racing 231909 Carburetor is an excellent upgrade for your Yamaha YFM400F Big Bear 400 4x4. This high-performance carburetor is designed to enhance your ATV's engine performance, providing smoother throttle response, improved fuel efficiency, and increased horsepower.
The Moose Racing 231909 Carburetor is a 38mm flat slide carburetor, which is a significant upgrade from the stock 32mm carburetor. The larger bore allows for more air and fuel to enter the engine, resulting in more power and improved acceleration. The flat slide design also provides a smoother throttle response, making it easier to control the engine's power output.
The carburetor features a high-flow, high-velocity main jet, which helps to deliver the correct fuel mixture to the engine at all RPMs. This results in improved fuel efficiency and reduced fuel consumption, which can save you money in the long run. The jet is easily adjustable, allowing you to fine-tune the carburetor to match your riding style and conditions.
The Moose Racing 231909 Carburetor also features a high-quality, adjustable air filter. The filter is designed to capture and trap dirt and debris before they can enter the engine, helping to improve engine performance and longevity. The filter is easily replaceable, making maintenance simple and straightforward.
The carburetor is made from high-quality materials, including a cast aluminum body and stainless steel components. This ensures that the carburetor is durable and can withstand the rigors of off-road riding. The carburetor also features a vibration-resistant mount, which helps to reduce engine vibration and improve overall engine performance.
Overall, the Moose Racing 231909 Carburetor is an excellent upgrade for your Yamaha YFM400F Big Bear 400 4x4. It provides improved engine performance, smoother throttle response, increased horsepower, and improved fuel efficiency. The carburetor is made from high-quality materials, is easy to maintain, and is adjustable to match your riding style and conditions.
Pros of Moose Racing 231909 Carburetor for Yamaha YFM400F Big Bear 400 4x4/YFM400:1. Improved Performance: The Moose Racing carburetor is designed to provide increased horsepower and throttle response, enhancing the overall performance of your ATV.
2. Adjustability: This carburetor comes with a choke and an idle adjustment screw, allowing you to fine-tune the air/fuel mixture for optimal performance and fuel efficiency.
3. Durability: Moose Racing uses high-quality materials and construction techniques to ensure the carburetor is durable, resistant to wear and tear, and able to withstand the rigors of off-road use.
4. Compatibility: The Moose Racing 231909 Carburetor is specifically designed for the Yamaha YFM400F Big Bear 400 4x4/YFM400, ensuring a perfect fit and easy installation.
Cons of Moose Racing 231909 Carburetor for Yamaha YFM400F Big Bear 400 4x4/YFM400:1. Price: The Moose Racing carburetor is generally more expensive than stock or aftermarket carburetors from lesser-known brands.
2. Learning Curve: Adjusting the carburetor to achieve the best performance may require some technical knowledge and understanding of the air/fuel mixture.
3. Potential for Over-tuning: If not properly adjusted, the carburetor can produce an over-rich or over-lean air/fuel mixture, which can lead to poor performance and engine damage.
Conclusion:The Moose Racing 231909 Carburetor offers significant performance improvements and adjustability for your Yamaha YFM400F Big Bear 400 4x4/YFM400. While it may be more expensive and require a certain level of technical knowledge, the potential for enhanced performance and durability makes it a worthwhile investment for many ATV enthusiasts. It is recommended to purchase this carburetor if you are looking to improve the performance of your ATV, and you are comfortable with making adjustments to achieve the best performance. However, it is always a good idea to consult with a professional mechanic or the manufacturer's guidelines to ensure proper installation and tuning.
Yamaha YFM400 Big Bear 400 2X4 2000 -2006. Yamaha YFM400F Big Bear 400 4X4 2000 -2006. Direct replacement complete carburetor.
Moose Carburetor for Yamaha YFM400F Big Bear 400 4X4/YFM400 2X4: Fully assembled and ready to install using all the OEM cables. An excellent alternative to the expensive OEM carburetors.