1. Carburetors & Throttlebodies ATV For Sale
  2. sku: 12971072589558613
  3. BFO K71YSO

BFO K71YSO Carburetor Carb Big Kit

fits model: 250, 450, 4x4, Bear, Kodiak. make: Yamaha. year: 2003–2006.

K71yso Bfo Carburetor Carb Kit For Yamaha Big Bear 250 2007-2009 Kodiak 450 4x4 2003-2006

( Brand: Bfo ), ( Manufacturer Part Number: K71YSO ), ( 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 Carb Kit Yamaha Big 2007 2009 fits BEAR KODIAK 250 450 4X4 2003–2006

BFO K71YSO Carburetor Carburetor Kit for Yamaha Big Bear 250 (2007-2009) and Kodiak 450 4x4 (2003-2006)

The BFO K71YSO Carburetor Carburetor Kit is an exceptional upgrade for your Yamaha Big Bear 250 (model years 2007-2009) and Kodiak 450 4x4 (model years 2003-2006). This kit is meticulously engineered to optimize your ATV's performance, enhancing both power and fuel efficiency.

The heart of this kit is the high-quality Mikuni Carburetor (VM34) with a main jet size of 34. This carburetor delivers precise fuel-air mixture for optimal combustion, ensuring smooth and responsive throttle performance. The kit also includes a new air filter, throttle cable, and fuel petcock, ensuring a complete and seamless installation process.

The BFO K71YSO Carburetor Kit is designed to improve your ATV's overall ride experience. It offers improved throttle response, increased power, and better fuel efficiency, making it an ideal choice for both casual and enthusiast riders. The kit is easy to install, with all necessary hardware included, and it is backed by BFO's commitment to quality and customer satisfaction.

Upgrade your Yamaha Big Bear 250 or Kodiak 450 4x4 with the BFO K71YSO Carburetor Carburetor Kit. Experience the difference in power, responsiveness, and fuel efficiency that this high-quality kit can bring to your ATV.

The BFO K71YSO Carburetor Carb Kit for Yamaha Big Bear 250 (2007-2009 Kodiak 450 4x4) and 2003-2006 models, is a potential upgrade for your Yamaha ATV. Here are some pros and cons to help you make an informed decision:

Pros:

1. Improved performance: The kit is designed to enhance the ATV's acceleration, power, and overall performance.

2. Fuel efficiency: The kit may help in reducing fuel consumption, leading to cost savings in the long run.

3. Easy installation: The kit comes with detailed instructions, making the installation process relatively straightforward for most users.

4. Quality parts: The BFO K71YSO Carb Kit uses high-quality parts, ensuring durability and reliability.

Cons:

1. Cost: The kit may be more expensive compared to stock parts, which could be a deterrent for some users.

2. Potential tuning: Depending on your specific riding conditions, you may need to tune the carburetor for optimal performance.

3. Voiding warranty: Installing aftermarket parts like this carburetor kit may void your ATV's factory warranty.

In conclusion, the BFO K71YSO Carburetor Carb Kit can significantly improve the performance and fuel efficiency of your Yamaha ATV. However, it's essential to consider the cost and potential need for tuning, as well as the possibility of voiding your warranty. If you're willing to accept these potential drawbacks for the promised benefits, this kit could be a worthwhile investment.

Recommendation: If you're looking to boost the performance of your Yamaha ATV and are willing to invest in high-quality, aftermarket parts, the BFO K71YSO Carburetor Carb Kit could be a good choice. But, ensure you have the necessary skills for installation and tuning, or are willing to hire a professional, to avoid any issues.

Details:

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. For Yamaha BIG BEAR 250 2007 - 2009, for 400 YFM 2x4 4X4. 2006 - 2010, for Yamaha GRIZZLY 350 2x4 4X4. 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.

Then you can load him into the car. The carburetor is made of chrome-plated Zinc alloy which provides better wear resistance, insulation and heat resistance. 2001 - 2007, for Yamaha BRUIN 250 YFM 2005 2006, 350.2x4 4X4. Comes with shatterproof sealed and corrosion resistant case.

Finally, remove the throttle cable. Package Content. Oil, unplug the oil pipe.

2004 - 2006, for Yamaha ATV KODIAK 400 2WD 4WD 2000 - 2003, 450 4X4 2003 WOLVERINE 350 2x4 2006 2009. Specifications.

specifications carbthrotatv:

  • for models: 250, 450, 4x4, Bear, Kodiak
  • for makes: Yamaha
  • for years: 2003-2006
  • brand: Bfo
  • mpn: K71yso
  • 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

shipping carbthrotatv:

  • transit: 5-10 Days
  • carrier: FedEx
  • service: FedEx Ground or FedEx Home Delivery
  • class: Standard
  • cost: $0.00
  • type: Fixed

general carbthrotatv:

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

payments carbthrotatv:

  • credit card: Mastercard
  • wallet: Paypal
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returns carbthrotatv:

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

seller carbthrotatv:

  • rating: 100.0%
  • # reviews: 600
  • city: Dayton, New Jersey

offer carbthrotatv:

  • best offers: True
  • quantity: 10
  • sold: 0
  • availability: In Stock
  • options: Ship-to-home
  • started: May 24, 2025
for models: 250, 450, 4x4, bear, kodiak, for makes: yamaha, for years: 2003-2006, 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: 12971072589558613,
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