1. Carburetors & Throttlebodies ATV For Sale
  2. sku: 16175385266225762
  3. BFO XT31KV

BFO XT31KV Carburetor Big

fits model: Yfm400, 400, 2x4, 4x4, Bear. make: Yamaha. year: 2000–2006.

Xt31kv Bfo Carburetor For Yamaha Big Bear 400 2x4 4x4 Yfm400 2000-2006

( Brand: Bfo ), ( Manufacturer Part Number: XT31KV ), ( 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 BEAR YFM400 400 2X4 4X4 2000–2006

BFO XT31KV Carburetor for Yamaha Big Bear 400 4x4 YFM400 (2000-2006) - Precision-Engineered Performance Enhancement

Experience an unparalleled level of engine performance for your Yamaha Big Bear 400 4x4 YFM400 (2000-2006) with the BFO XT31KV Carburetor. This meticulously designed carburetor is a direct upgrade that promises improved throttle response, increased fuel efficiency, and enhanced power delivery, turning your off-road adventure into a truly exhilarating experience.

Crafted with a sophisticated venturi design and a high-quality construction, the BFO XT31KV Carburetor is tailored to fit seamlessly into your Yamaha ATV, ensuring a perfect fit and a hassle-free installation process. The carburetor features an advanced air-fuel mixture control system that adjusts to various riding conditions, providing optimal performance whether you're cruising through rough terrains or tackling steep inclines.

The BFO XT31KV Carburetor boasts a fine-tuned idle circuit that guarantees smooth operation and consistent engine idle, even under heavy loads. Its adjustable main jet, pilot jet, and idle jet allow for easy fine-tuning to match your unique riding style and conditions, ensuring the perfect balance of power and efficiency.

This high-performance carburetor is not just about speed and power; it's also about reliability and durability. The BFO XT31KV Carburetor is built to withstand the rigors of off-road riding, with a robust design that resists wear and tear, and top-quality materials that ensure long-lasting performance.

Upgrade your Yamaha Big Bear 400 4x4 YFM400 (2000-2006) with the BFO XT31KV Carburetor and experience a new level of off-road thrill. Whether you're a seasoned rider or a newcomer to the world of ATVs, this carburetor is the perfect choice for those seeking a powerful, reliable, and efficient ATV companion. So, gear up, and get ready to conquer the trails like never before with the BFO XT31KV Carburetor!

Pros of BFO XT31KV Carburetor for Yamaha Big Bear 400 4x4 YFM400 (2000-2006):

1. Designed specifically for Yamaha Big Bear 400 models: The BFO XT31KV carburetor is engineered to fit and perform optimally on the Yamaha YFM400 Big Bear 4x4 models from 2000 to 2006.

2. Improved power and acceleration: This carburetor is designed to enhance the engine's overall performance, delivering increased power and acceleration.

3. Easy installation: The BFO XT31KV carburetor is designed for easy installation, making it an accessible upgrade for most riders.

4. Enhanced fuel economy: This carburetor is designed to optimize fuel delivery, potentially leading to improved fuel economy.

Cons of BFO XT31KV Carburetor for Yamaha Big Bear 400 4x4 YFM400 (2000-2006):

1. Potential fueling issues: Some users have reported minor fueling issues, such as rich or lean mixtures, which may require adjustments.

2. Quality concerns: There have been reports of issues with the build quality of the BFO XT31KV carburetor, such as leaks or poor sealing.

3. Price: Compared to stock carburetors, the BFO XT31KV carburetor may be more expensive, which could be a deterrent for some riders.

Conclusion:

The BFO XT31KV carburetor offers several benefits, including improved power and acceleration, enhanced fuel economy, and easy installation. However, it's essential to be aware of potential issues such as fueling problems and quality concerns. If you're comfortable with the risks and willing to invest in potential improvements, the BFO XT31KV carburetor could be a worthwhile upgrade for your Yamaha Big Bear 400. It's always a good idea to research, read reviews, and consider the opinions of other users before making a purchase.

Recommendation:

If you're considering purchasing the BFO XT31KV carburetor for your Yamaha Big Bear 400, it's recommended to do thorough research and consult with knowledgeable sources, such as forums or experienced mechanics, to ensure it's the right choice for your specific needs and riding style. Additionally, consider purchasing from a reputable dealer and inspect the carburetor for any visible issues before installation.

Details:

Comes with shatterproof sealed and corrosion resistant case. Then you can load him into the car. 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. Specifications.

The carburetor is made of chrome-plated Zinc alloy which provides better wear resistance, insulation and heat resistance. Oil, unplug the oil pipe. . For Yamaha BIG BEAR 250 2007 - 2009, for 400 YFM 2X4 4X4.

2004 - 2006, for Yamaha ATV KODIAK 400 2WD 4WD 2000 - 2003, 450 4X4 2003 WOLVERINE 350 2X4 2006 2009. 2001 - 2007, for Yamaha BRUIN 250 YFM 2005 2006, 350.2x4 4X4. Next Day Delivery. Package Content.

Carburetor for Yamaha Big Bear 400 2X4 4X4 YFM400 2000 - 2006. Finally, remove the throttle cable. 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.

specifications carbthrotatv:

  • for models: Yfm400, 400, 2x4, 4x4, Bear
  • for makes: Yamaha
  • for years: 2000-2006
  • brand: Bfo
  • mpn: Xt31kv
  • 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:

  • options: Ship-to-home
  • best offers: True
  • started: December 24, 2025
  • sold: 0
  • quantity: 10
  • availability: In Stock

returns carbthrotatv:

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

payments carbthrotatv:

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

seller carbthrotatv:

  • # reviews: 8318
  • city: Houston, Texas
  • rating: 99.2%

general carbthrotatv:

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

shipping carbthrotatv:

  • carrier: FedEx
  • type: Fixed
  • service: FedEx Ground / FedEx Home Delivery
  • class: Standard
  • cost: $0.00
  • transit: 5-10 Days
for models: yfm400, 400, 2x4, 4x4, bear, for makes: yamaha, for years: 2000-2006, 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: 16175385266225762,
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