BFO VLUO72 Carburetor Carb Big

( Brand: Bfo ), ( Manufacturer Part Number: VLUO72 ), ( 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 ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part. ), ( Oe/oem Part Number: 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 VLUO72 Carburetor** is a meticulously engineered, high-performance replacement carburetor designed specifically for Yamaha s legendary **Big Bear 400 (YFM400), Kodiak 450 (YFM450), and YFM350** models produced between **2000 and 2007**. Crafted to restore and enhance the throttle response, fuel efficiency, and overall power delivery of these iconic off-road engines, this carburetor represents a premium upgrade for riders seeking reliability and performance. Built with precision and durability in mind, the VLUO72 features a **high-quality brass body** reinforced with a **stainless steel needle and jet assembly**, ensuring resistance to corrosion and wear over extended use. Its **optimized venturi design** promotes smooth airflow while maintaining precise fuel metering, allowing for a cleaner burn and improved throttle control, whether cruising at low RPMs or unleashing full power under heavy load. The carburetor incorporates a **sealed float bowl** with a **durable nylon float** and a **precision-machined needle valve**, eliminating leaks and ensuring consistent fuel delivery even in demanding off-road conditions. For added convenience and performance tuning, the VLUO72 comes equipped with **adjustable idle screws** and **easy-access jet adjustments**, allowing riders to fine-tune the carburetor to match their riding style, terrain, and fuel conditions. Whether restoring an older Big Bear to factory specs or pushing a Kodiak to its limits, this carburetor delivers a seamless blend of **performance, longevity, and ease of maintenance**, making it an indispensable component for serious off-road enthusiasts. Backed by BFO s reputation for quality and compatibility, the VLUO72 is not just a replacement it s a performance-enhancing upgrade that brings out the best in Yamaha s classic ATV engines.

### **Pros and Cons of Buying a BF&O VLUO72 Carburetor for Yamaha Big Bear 400 (YFM400), Kodiak 450 (YFM450), and YFM350 (2000 2007)**

1. **High-Quality Construction** BF&O (Bauer & Fischer) is a well-respected brand in the off-road and ATV carburetor market, known for durable materials and precise machining. The VLUO72 is designed for performance and reliability, making it a step up from stock Yamaha carburetors.

2. **Improved Performance** The VLUO72 is optimized for better throttle response, smoother power delivery, and enhanced acceleration compared to the stock carburetor. This can be particularly noticeable in high-RPM applications, such as hill climbing or aggressive riding.

3. **Better Fuel Efficiency (Under Certain Conditions)** A properly tuned VLUO72 can help optimize fuel mixture, potentially reducing fuel waste in situations where the stock carburetor runs rich or inefficiently.

4. **Easier Tuning & Adjustability** Unlike stock carbs, which are often limited in adjustability, the VLUO72 features a more refined jet system and idle mixture screws, allowing for finer tuning to match different fuel types and riding conditions.

5. **Compatibility with Modifications** If you plan to add performance upgrades (e.g., headers, exhaust, or larger air filters), the VLUO72 can better handle the increased airflow compared to a stock carburetor.

6. **Long-Term Durability** BF&O carbs are known for lasting longer than stock units, especially in rough conditions where debris and wear can be an issue.

7. **Aftermarket Support** BF&O offers replacement parts and tuning guides, and there is a strong community of riders who have experience with their products, making troubleshooting easier.

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1. **Higher Upfront Cost** The VLUO72 is significantly more expensive than a stock Yamaha carburetor. For riders on a tight budget, this may be a major drawback, especially if the stock carburetor is still functioning adequately.

2. **Requires Professional Installation & Tuning** Unlike a simple swap of a stock carburetor, installing and tuning a VLUO72 properly requires mechanical skill or a visit to a reputable tuner. Poor installation or incorrect jetting can lead to poor performance, rough idling, or even engine damage.

3. **Potential Learning Curve** If you re not familiar with carburetor tuning, the VLUO72 s adjustability can be overwhelming. You may need to experiment with idle mixture screws, pilot jets, and main jets to achieve the best results.

4. **Fuel Quality Dependence** The VLUO72 performs best with clean, high-quality fuel. If you frequently use low-grade or contaminated fuel, the carburetor may clog or perform poorly, negating some of its benefits.

5. **Not a "Set-and-Forget" Solution** Unlike a stock carburetor, which may run acceptably out of the box, the VLUO72 requires periodic maintenance, such as cleaning the float bowl, checking jets, and ensuring proper vacuum operation.

6. **Potential for Overcomplication** For riders who don t push their machines hard or prefer simplicity, the extra steps involved in tuning a high-performance carburetor may not be worth the effort.

7. **Risk of Voiding Warranty (If Applicable)** If your Yamaha was still under warranty when you installed the VLUO72, the modification may void coverage, leaving you responsible for any future repairs.

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### **Conclusion & Recommendation**

The **BF&O VLUO72 carburetor** is an excellent choice for riders who prioritize **performance, durability, and tunability** over cost and simplicity. It is particularly well-suited for:

- **Aggressive riders** who push their machines hard (hill climbing, racing, or frequent high-RPM use).

- **Those planning further modifications** (exhaust, headers, or air filters) that will increase airflow.

- **Riders who enjoy fine-tuning** their engines and are willing to invest time in proper setup.

- **Casual riders** who don t need extra power and prefer a straightforward, low-maintenance setup.

- **Budget-conscious buyers** who can achieve similar results with a well-maintained stock carburetor or a lower-cost aftermarket option.

- **Those without mechanical experience** who may struggle with installation and tuning.

- **If you want a noticeable performance upgrade and are willing to invest in proper installation and tuning**, the **VLUO72 is a strong choice** especially for the Yamaha Big Bear 400, Kodiak 450, and YFM350 in the 2000 2007 range.

- **If you re on a tight budget or don t plan major modifications**, consider alternatives like a **rebuilt stock carburetor** or a **lower-cost aftermarket option** (e.g., Walbro or Keihin) before committing to the BF&O.

- **Always have the installation and initial tuning done by a professional** to ensure optimal performance and avoid potential issues.

For the best results, pair the VLUO72 with **clean fuel, proper maintenance, and gradual tuning adjustments** to match your riding style.

Details:

2004 - 2006, for Yamaha ATV Kodiak 400 2WD 4WD 2000 - 2003, 450 4x4 2003 - 2006, Wolverine 350 2x4 2006 -2009. 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. Then you can load him into the car. 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.

Package included. . 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. For Yamaha Big Bear 250 2007 -2009, for 400 YFM 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. Oil, unplug the oil pipe. 2006 -2010, for Yamaha Grizzly 350 2x4 4x4. Finally, remove the throttle cable.

Fast Shipping. Specifications. 2001 - 2007, for Yamaha Bruin 250 YFM 2005 - 2006, 350 2x4 4x4. 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.

specifications carbthrotatv:

• for models: Yfm400, Yfm350, 400, 450, Bear, Kodiak
• for makes: Yamaha
• for years: 2000-2007
• brand: Bfo
• mpn: Vluo72
• 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
• note: No Instruction Included
• notice: This Is Aftermarket Replcement Part.
• oe/oem part number: 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

returns carbthrotatv:

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

offer carbthrotatv:

• quantity: 10
• options: Ship-to-home
• started: February 22, 2026
• best offers: True
• sold: 0
• availability: In Stock

payments carbthrotatv:

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

seller carbthrotatv:

• city: Rowland height, California
• # reviews: 4648
• rating: 98.8%

shipping carbthrotatv:

• cost: $0.00
• transit: 4-8 Days
• type: Fixed
• service: FedEx Ground / FedEx Home Delivery
• class: Standard
• carrier: FedEx

general carbthrotatv:

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

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