1. Carburetors & Throttlebodies ATV For Sale
  2. sku: 15265996342608611
  3. BFO 6AFUIR

BFO 6AFUIR Carburetor Big

fits model: Yfm400, Yfm450, Yfm250b, 350, 400, 450, 250, Grizzly, Bear. make: Yamaha.

6afuir Bfo Carburetor For Yamaha Grizzly 350 400 450 Yfm400 Yfm450 Big Bear 250 Yfm250b

( Brand: Bfo ), ( Manufacturer Part Number: 6AFUIR ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Compatible Make: For Yamaha ), ( Compatible Year: 99 00 01 02 03 04 1999 2000 2001 2002 2003 2004 ), ( Fit 2: For Yamaha Grizzly 350 2007-2011 ), ( Fit 3: For Yamaha Kodiak 400 Yfm400 2000-2006 ), ( Fit 4: For Yamaha Big Bear 400 2004-2006 Bruin 350 ), ( Fit 5: For Yamaha Grizzly 450 2007-2012 ), ( Fit 6: For Yamaha Wolverine 450 2007-2010 ), ( Fit For: For Yamaha Wolverine 350 2006-2009 ), ( Fitment Type: Direct Replacement ), ( Fits: Atv ), ( Inner Diameter: Intake Side ), ( Items Included: Gasket, Mounting Hardware ), ( Material: Alloy ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part. ), ( Part Type: Carburetors Throttlebodies ), ( Placement On Vehicle: Front ), ( Quantity: 1 Piece As Show In The Picture ), ( Type: Carburetor )

Review BFO Carburetor Yamaha Big fits GRIZZLY BEAR YFM400 YFM450 YFM250B 350 400 450 250

Premium BFO 6AFUIR Carburetor for Yamaha Grizzly 350, 400, 450, YFM400, YFM450 Big Bear, and YFM250B

Experience a seamless and powerful performance with the BFO 6AFUIR Carburetor, meticulously designed for Yamaha Grizzly 350, 400, 450, YFM400, YFM450 Big Bear, and YFM250B models. This carburetor is an exceptional upgrade, delivering unparalleled precision, efficiency, and reliability to your off-road adventure.

Engineered with a focus on durability, the BFO 6AFUIR Carburetor boasts a robust construction that ensures long-lasting performance. The carburetor is equipped with high-quality components, ensuring smooth fuel delivery and optimal engine performance under various conditions.

The BFO 6AFUIR Carburetor is renowned for its easy-to-tune nature, making it an ideal choice for both beginner and experienced riders. The precise adjustment screws allow for fine-tuning of the carburetor to meet your specific performance needs, improving throttle response and fuel economy.

This carburetor also features an improved air-fuel mixture control system, ensuring optimal combustion and reduced emissions. The result is a quieter, cleaner, and more fuel-efficient ride.

With the BFO 6AFUIR Carburetor, you can expect a significant improvement in power delivery and acceleration, making your Yamaha Grizzly more responsive and agile on the trails. Upgrade your ride today with the BFO 6AFUIR Carburetor, and take your off-road experience to the next level.

The BFO 6AFUIR carburetor is a performance-oriented carburetor designed for Yamaha Grizzly 350, 400, 450, YFM400, YFM450 Big Bear, and YFM250B ATV models. Here are some pros and cons to consider before making a purchase:

Pros:

1. Improved Performance: The BFO 6AFUIR carburetor offers enhanced performance due to its high-quality components and design. This results in increased horsepower, throttle response, and overall riding experience.

2. Easy Installation: The installation process is relatively straightforward and can be completed by most DIY enthusiasts without needing professional help.

3. Adjustability: The carburetor comes with a wide range of adjustments, allowing users to fine-tune the settings according to their riding style and conditions for optimal performance.

4. Durability: The BFO 6AFUIR carburetor is made with high-quality materials that can withstand harsh off-road conditions, providing long-lasting performance.

Cons:

1. Higher Cost: Compared to the stock carburetor, the BFO 6AFUIR carburetor is more expensive. This may not be suitable for budget-conscious riders.

2. Potential Issues with Fitment: While the carburetor is designed to fit various Yamaha ATV models, there may be some fitment issues that require modifications.

3. Learning Curve: Adjusting the carburetor to achieve optimal performance may require some learning and experimentation, especially for those new to ATV tuning.

Conclusion:

The BFO 6AFUIR carburetor is an excellent choice for Yamaha Grizzly owners who are looking to improve their ATV's performance. Its high-quality components, ease of installation, and adjustability make it a popular choice among enthusiasts. However, its higher cost and potential fitment issues should be considered before making a purchase. For those willing to invest in their ATV's performance, the BFO 6AFUIR carburetor is a worthwhile upgrade. If budget constraints are a concern, it may be best to consider other less expensive performance upgrades or wait until a better deal becomes available.

Details:

Specifications. The carburetor is made of chrome-plated Zinc alloy which provides better wear resistance, insulation and heat resistance. Fast, Shipping.

Twist out the nut connecting carburetor and engine with a Cancun's or depending on size of nut, then twist screw that connects to filter. 2006 - 2010, for Yamaha GRIZZLY 350 2x4 4x4. 2001 - 2007, for Yamaha BRUIN 250 YFM 2005 2006, 350.2x4 4x4. Then you can load him into the car.

Improved air intake holes to improved airflow structure,stable performance and sensitive reaction,If your vehicle with issues of slow start, unstable idle speed, high fuel consumption, oil spill, poor speed power, Manufactured tested help deliver optimum engine capability. Finally, remove the throttle cable. Guaranteed Fitment Always the correct part. Package Content.

2004 - 2006, for Yamaha ATV KODIAK 400 2WD 4WD 2000 - 2003, 450 4x4 2003 WOLVERINE 350 2x4 2006 2009. For Yamaha BIG BEAR 250 2007 - 2009, for 400 YFM 2x4 4x4. Oil, unplug the oil pipe. Comes with shatterproof sealed and corrosion resistant case.

specifications carbthrotatv:

  • for models: Yfm400, Yfm450, Yfm250b, 350, 400, 450, 250, Grizzly, Bear
  • for makes: Yamaha
  • brand: Bfo
  • mpn: 6afuir
  • california prop 65 warning: California Prop 65 Warning
  • compatible make: For Yamaha
  • compatible year: 99 00 01 02 03 04 1999 2000 2001 2002 2003 2004
  • fit 2: For Yamaha Grizzly 350 2007-2011
  • fit 3: For Yamaha Kodiak 400 Yfm400 2000-2006
  • fit 4: For Yamaha Big Bear 400 2004-2006 Bruin 350
  • fit 5: For Yamaha Grizzly 450 2007-2012
  • fit 6: For Yamaha Wolverine 450 2007-2010
  • fit for: For Yamaha Wolverine 350 2006-2009
  • fitment type: Direct Replacement
  • fits: Atv
  • inner diameter: Intake Side
  • items included: Gasket, Mounting Hardware
  • material: Alloy
  • note: No Instruction Included
  • notice: This Is Aftermarket Replcement Part.
  • part type: Carburetors Throttlebodies
  • placement on vehicle: Front
  • quantity: 1 Piece As Show In The Picture
  • type: Carburetor

offer carbthrotatv:

  • sold: 0
  • quantity: 10
  • options: Ship-to-home
  • started: October 1, 2025
  • availability: In Stock
  • best offers: True

general carbthrotatv:

  • ATV, Side-by-Side UTV Parts Accessories > Air Intake Fuel Delivery > Carburetors
  • condition: New

seller carbthrotatv:

  • # reviews: 9534
  • city: Rowland height, California
  • rating: 98.9%

payments carbthrotatv:

  • wallet: Google-pay
  • credit card: Mastercard
  • other

returns carbthrotatv:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller

shipping carbthrotatv:

  • cost: $0.00
  • class: Standard
  • type: Fixed
  • service: FedEx Ground / FedEx Home Delivery
  • carrier: FedEx
  • transit: 3-7 Days
for models: yfm400, yfm450, yfm250b, 350, 400, 450, 250, grizzly, bear, for makes: yamaha, california prop 65 warning: california prop 65 warning, compatible make: for yamaha, compatible year: 99 00 01 02 03 04 1999 2000 2001 2002 2003 2004, fit 2: for yamaha grizzly 350 2007-2011, fit 3: for yamaha kodiak 400 yfm400 2000-2006, fit 4: for yamaha big bear 400 2004-2006 bruin 350, fit 5: for yamaha grizzly 450 2007-2012, fit 6: for yamaha wolverine 450 2007-2010, fit for: for yamaha wolverine 350 2006-2009, fitment type: direct replacement, fits: atv, inner diameter: intake side, items included: gasket, mounting hardware, note: no instruction included, notice: this is aftermarket replcement part., part type: carburetors throttlebodies, placement on vehicle: front, quantity: 1 piece as show in the picture, type: carburetor,
category: atv parts > atv, side-by-side utv parts accessories > air intake fuel delivery > carburetors, material: alloy, sku: 15265996342608611,
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