BFO U086VK Carburetor Carb Big

( Brand: Bfo ), ( Manufacturer Part Number: U086VK ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Choke Type: Mechanical ), ( Compatible Make: For Yamaha ), ( Compatible Year: 2001-2009 ), ( Engine Type: 4-stroke ), ( 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 ), ( Inner Diameter: Intake Side ), ( Items Included: Gasket, Mounting Hardware ), ( Machine Type: Atv, Utv / Sxs ), ( Manufacturer Warranty: 2 Years ), ( Material: Alloy, Aluminum ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part. ), ( Oe/oem Part Number: 1p0-e4101-01-00, 1p0-e4101-10-00, 3d5-e4101-10-00, 5uh-e4101-01-00, 5uh-e4101-10-00, 5uh-e4101-11-00, 5fu-14101-13-00, 5fu-e4101-01-00, 5te-e4101-10-00, 5te-14101-00-00, 5te-e4101-01-00, 5nd-e4101-11-00, 5nd-14101-00-00, 5nd-e4101-01-00, 5gh-14101-01-00, Carburetor Yfm 400, Big Bear 250 Carburetor, Kodiak 400 Carb, Wolverine 350 450 Carb, Carburetor, Carburettor, Carburetter, Carb, Carby, 1-barrel Carburetor, 1 Barrel Carburetor, 1 Barrel Carb, 1 Bbl Carburetor, 1 Bbl Carb ), ( Part Type: Carburetors Throttlebodies ), ( Placement On Vehicle: Front ), ( Quantity: 1 Piece As Show In The Picture ), ( Type: Carburetor ), ( Universal Fitment: No )

Review BFO New Carburetor Carb Yamaha Big fits BEAR KODIAK YFM400 YFM350 400 450 2000–2007

The **BFO U086VK Carburetor** is a meticulously engineered, high-performance replacement carburetor designed to restore and enhance the throttle response, fuel efficiency, and overall power output of Yamaha s legendary Big Bear 400 (YFM400) and Kodiak 450 (YFM350) models produced between 2000 and 2007. Crafted with precision and built to exacting standards, this carburetor is a direct drop-in replacement for the stock Keihin or Walbro units, ensuring seamless compatibility without the need for extensive modifications. Its robust construction features a durable aluminum body, reinforced needle and jet assemblies, and a precision-machined throttle body, all of which contribute to a smoother, more responsive ride. The U086VK is optimized for optimal air-fuel mixture delivery, allowing for better combustion efficiency, reduced fuel consumption, and a noticeable improvement in low-end torque and high-rpm performance. Whether you're restoring a classic off-road machine or upgrading an existing setup for improved reliability and power, this carburetor delivers a balance of performance and durability that meets the demands of both casual riders and serious enthusiasts. Built to withstand the rigors of off-road use, the BFO U086VK ensures consistent performance across varying terrain and conditions, making it an ideal choice for those seeking a reliable, high-quality upgrade. With its straightforward installation and proven track record, this carburetor stands as a testament to BFO s commitment to quality and performance in the off-road and utility vehicle aftermarket.

### **Pros and Cons of Buying a BF0U086VK Carburetor for Yamaha Big Bear 400 (YFM400), Kodiak 450 (YFM400), and YFM350 (2000 2007)**

1. **OEM Replacement Quality** The BF0U086VK is a genuine or high-quality aftermarket carburetor designed to match the factory specifications of your Yamaha engine. This ensures proper fitment, performance, and reliability, reducing the risk of compatibility issues.

2. **Improved Performance Potential** If the original carburetor was worn or clogged, replacing it with a new BF0U086VK can restore or even enhance throttle response, fuel efficiency, and power output, especially if paired with proper tuning.

3. **Durability and Longevity** A new carburetor is free from internal wear, corrosion, or fuel system contamination that may have affected the old one. With proper maintenance, it can last for thousands of miles.

4. **Easier Maintenance** Unlike older or heavily used carburetors, a new BF0U086VK allows for straightforward cleaning, adjustment, and repair. Many modern carburetors (including this model) feature simplified designs compared to older float-bowl carburetors.

5. **Compatibility with Modifications** If you plan to upgrade your engine (e.g., with a bigger carburetor, performance cam, or fuel injection), a fresh BF0U086VK provides a clean slate for tuning.

6. **Reduced Emissions (If Tuned Properly)** A well-adjusted carburetor helps maintain optimal air-fuel ratios, which can improve emissions compliance if your bike is still subject to testing.

7. **Available Support and Parts** Yamaha and aftermarket suppliers (like BF Products) offer replacement jets, gaskets, and repair kits, making it easier to keep the carburetor in top condition.

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1. **Cost** A new BF0U086VK carburetor is more expensive than a used or rebuilt unit. Depending on the market, prices can range from **$150 $300**, which may be a significant investment for a bike that may not see heavy use.

2. **Installation Complexity** While not extremely difficult, carburetor replacement requires careful handling of fuel lines, vacuum hoses, and electrical connections. Improper installation (e.g., incorrect gasket seating, misaligned jets) can lead to leaks, poor performance, or even engine damage.

3. **Tuning Required** Simply swapping in a new carburetor may not be enough; you may need to adjust the idle mixture, throttle response, or even replace jets to match your riding style or engine modifications. This could require a visit to a Yamaha dealer or a performance shop.

4. **Potential for Counterfeit or Low-Quality Units** If purchasing from an untrusted seller, there is a risk of receiving a knockoff or poorly manufactured carburetor. Always buy from reputable dealers (e.g., Yamaha parts centers, trusted online retailers, or Yamaha-approved aftermarket suppliers).

5. **Maintenance Dependency** Carburetors require regular cleaning and adjustment to prevent fouling, vacuum leaks, or poor atomization. Neglecting maintenance can lead to the same issues that prompted the replacement in the first place.

6. **Limited Lifespan Compared to Fuel Injection** While durable, carburetors are more prone to clogging and drift over time compared to modern fuel-injected systems. If you plan long-term modifications, fuel injection may eventually be a better solution.

7. **Environmental and Legal Considerations** In some regions, older bikes with carburetors may face stricter emissions regulations. A new carburetor alone won t fix emissions issues if the engine or exhaust system is modified improperly.

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### **Conclusion**

The **BF0U086VK carburetor is a solid choice** for Yamaha Big Bear 400, Kodiak 450, and YFM350 models (2000 2007) if you need a reliable, high-performance replacement. It offers **OEM-level quality, improved drivability, and long-term durability** when properly installed and maintained. However, it comes with **higher upfront costs, installation challenges, and the need for tuning**, which may deter casual riders or those on a tight budget.

If your primary goal is **restoring stock performance** or **preventing carburetor failure**, this is a worthwhile investment. If you re planning **aggressive modifications** (e.g., big bore kits, high-performance cams), you may eventually need to transition to **fuel injection** for better control and reliability.

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### **Recommendation**

- **Buy from a trusted source** (Yamaha dealer, reputable aftermarket supplier, or verified online retailer) to avoid counterfeit units.

- **Have the installation done by a professional** if you lack experience with carburetor work, especially if you re unfamiliar with throttle cable adjustments or vacuum systems.

- **Get it tuned** by a Yamaha technician or performance shop to ensure proper idle mixture, throttle response, and fuel delivery.

- **Consider a rebuild kit** if you re on a budget some carburetors can be restored for a fraction of the cost of a new unit.

- **Pair with maintenance** clean the carburetor every **500 1,000 miles** and inspect for leaks or wear.

**Final Verdict:** The BF0U086VK is a **strong, reliable option** for these Yamaha models, but weigh the cost against your riding needs and mechanical comfort level. If you re serious about performance and willing to invest in proper setup, it s a smart upgrade. If you re unsure, consult a Yamaha specialist before purchasing.

Details:

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. Made for Performance: Improve engine performance,Low fuel consumption, Start fast stable idle speed allowing you to get a better driving experience and maneuverability, allowing maintain control on bumpy roads. 2001 - 2007, for Yamaha Bruin 250 YFM 2005 - 2006, 350 2x4 4x4.

For Yamaha Big Bear 250 2007 -2009, for 400 YFM 2x4 4x4. Fast Shipping. . OE/Part number.

Oil, unplug the oil pipe. Specifications. Sturdy Zinc Construction: Made of high-quality alloy, the carburetor can stand high heat, pressure, corrosion, acid, and alkali, durable sturdy in its structure, polished surface ensures long time use. Fuel-Efficient Strong Power: The integrated carburetor kit works excellent in fuel consumption, greatly improving utilization, reducing costs, and saving more energy, thus effectively enhancing the power of engine.

Fast Start Steady Speed: With strong and stable power, the carburetor also benefits start of engine, it helps to steady speeds offer sufficient power in speeding up, dramatically improving engine performance. Finally, remove the throttle cable. 2004 - 2006, for Yamaha ATV Kodiak 400 2WD 4WD 2000 - 2003, 450 4x4 2003 - 2006, Wolverine 350 2x4 2006 -2009. Package included.

2006 -2010, for Yamaha Grizzly 350 2x4 4x4.

specifications carbthrotatv:

• for models: Yfm400, Yfm350, 400, 450, Bear, Kodiak
• for makes: Yamaha
• for years: 2000-2007
• brand: Bfo
• mpn: U086vk
• california prop 65 warning: California Prop 65 Warning
• choke type: Mechanical
• compatible make: For Yamaha
• compatible year: 2001-2009
• engine type: 4-stroke
• 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
• inner diameter: Intake Side
• items included: Gasket, Mounting Hardware
• machine type: Atv, Utv / Sxs
• manufacturer warranty: 2 Years
• material: Alloy, Aluminum
• note: No Instruction Included
• notice: This Is Aftermarket Replcement Part.
• oe/oem part number: 1p0-e4101-01-00, 1p0-e4101-10-00, 3d5-e4101-10-00, 5uh-e4101-01-00, 5uh-e4101-10-00, 5uh-e4101-11-00, 5fu-14101-13-00, 5fu-e4101-01-00, 5te-e4101-10-00, 5te-14101-00-00, 5te-e4101-01-00, 5nd-e4101-11-00, 5nd-14101-00-00, 5nd-e4101-01-00, 5gh-14101-01-00, Carburetor Yfm 400, Big Bear 250 Carburetor, Kodiak 400 Carb, Wolverine 350 450 Carb, Carburetor, Carburettor, Carburetter, Carb, Carby, 1-barrel Carburetor, 1 Barrel Carburetor, 1 Barrel Carb, 1 Bbl Carburetor, 1 Bbl Carb
• part type: Carburetors Throttlebodies
• placement on vehicle: Front
• quantity: 1 Piece As Show In The Picture
• type: Carburetor
• universal fitment: No

offer carbthrotatv:

• availability: In Stock
• best offers: True
• quantity: 10
• options: Ship-to-home
• started: April 20, 2026
• sold: 0

returns carbthrotatv:

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

shipping carbthrotatv:

• carrier: FedEx
• service: FedEx Ground / FedEx Home Delivery
• class: Standard
• cost: $0.00
• transit: 2-4 Days
• type: Fixed

payments carbthrotatv:

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

seller carbthrotatv:

• rating: 99.7%
• # reviews: 7661
• city: Rowland height, California

general carbthrotatv:

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

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