BFO HX2B7O Carburetor Carb Bruin
fits model: Yfm250, 250, 450, 4x4, Kodiak. make: Yamaha. year: 2003–2006.
( Brand: Bfo ), ( Manufacturer Part Number: HX2B7O ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Choke Type: Mechanical ), ( Compatible Make: For Yamaha ), ( Compatible Year: 2001-2009 ), ( Country Of Origin: China ), ( 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 Carburetor Carb Yamaha Bruin fits KODIAK YFM250 250 450 4X4 2003–2006
The **BFO HX2B7O carburetor** is a meticulously engineered, high-performance replacement carburetor designed specifically for the Yamaha Bruin 250 YFM250 (2005 2006) and the Kodiak 450 4x4 (2003 2006), ensuring optimal fuel delivery and throttle response for these rugged, off-road-capable utility vehicles. Crafted with precision and built to exacting standards, this carburetor features a robust **aluminum body** reinforced with high-grade seals and gaskets to prevent leaks and maintain consistent performance under demanding conditions. The **HX2B7O** is engineered with a **high-flow design**, incorporating a larger bore and optimized jet system to enhance throttle response, smooth out power delivery, and improve fuel efficiency critical for both towing heavy loads and navigating rough terrain. Its **adjustable throttle stop** allows for fine-tuning idle and low-speed operation, ensuring a stable engine under varying loads, whether you're hauling equipment, mowing tough brush, or cruising on paved roads. The carburetor is equipped with **durable brass needles and springs**, which resist wear and corrosion, while the **precision-machined float bowl** ensures consistent fuel levels, preventing rich or lean mixtures that could damage the engine over time. For added reliability, the **BFO HX2B7O** includes a **sealed gasket kit** and **O-rings**, designed to withstand the vibrations and extreme temperatures common in off-road applications. Whether you're upgrading for better performance, restoring a classic Kodiak or Bruin, or simply ensuring long-term dependability, this carburetor delivers a seamless fit and a noticeable improvement in engine smoothness, power, and durability. Built to last, the **BFO HX2B7O** is the ideal choice for enthusiasts and professionals who demand nothing less than peak performance from their Yamaha utility vehicles.
### **Pros and Cons of Buying a BFO HX2B7O Carburetor for a Yamaha Bruin 250 (YFM250) and Kodiak 450 (2003 2006)**
#### **Pros:**1. **Improved Performance** The BFO HX2B7O is designed to provide better throttle response, smoother power delivery, and enhanced acceleration compared to the stock carburetor. This can make the Bruin 250 and Kodiak 450 feel more responsive, especially in off-road conditions where quick throttle adjustments are crucial.
2. **Better Fuel Efficiency (Under Some Conditions)** A properly tuned BFO carburetor can optimize fuel-air mixture, potentially improving fuel economy in certain driving scenarios, though this depends heavily on tuning and riding style.
3. **Durability and Reliability** BFO carburetors are known for their robust construction, often featuring high-quality materials and precise machining. This can reduce the risk of internal wear or failure compared to some aftermarket or stock carburetors that may degrade faster under heavy use.
4. **Easier Maintenance** The BFO HX2B7O is designed with accessibility in mind, making it simpler to clean, adjust, and service compared to some older or more complex carburetors. This can save time and effort during routine upkeep.
5. **Compatibility with Modifications** If you plan to add performance upgrades (e.g., exhaust, clutch, or suspension changes), a BFO carburetor can often be better tuned to match the increased power output of these modifications.
6. **Aftermarket Support** BFO is a well-regarded brand in the off-road and ATV performance community, meaning you ll find parts, tuning guides, and community support if issues arise.
7. **Potential for Increased Torque** For the Kodiak 450, which is a heavier-duty machine, the BFO carburetor can help deliver more consistent power, especially in towing or heavy-duty applications.
---
#### **Cons:**1. **Cost** The BFO HX2B7O is more expensive than the stock carburetor, often costing **$200 $350** depending on the source and whether it includes a new jet kit. This is a significant investment, especially for a Bruin 250, which may not see as much performance gain as a Kodiak 450.
2. **Tuning Required** Simply swapping in a BFO carburetor does not guarantee immediate improvement. Proper tuning (adjusting jets, idle screws, and float levels) is essential to avoid issues like:
- **Lean running** (poor power, overheating, or stalling).
- **Rich running** (poor fuel economy, fouled spark plugs, or excessive smoke).
- **Harsh idle or rough transitions** between throttle positions.
Without tuning, the carburetor may perform worse than stock.
3. **Learning Curve** If you re not familiar with carburetor tuning, you may need to invest time or money in professional help. Misadjustments can lead to drivability issues or even damage to the engine.
4. **Potential for Overkill on Bruin 250** The Bruin 250 is a lighter, more fuel-efficient machine compared to the Kodiak 450. The performance gains from a BFO carburetor may be modest, and the cost may not justify the upgrade unless you re heavily modifying the bike.
5. **Stock Intake/Exhaust Limitations** If your bike still has stock intake or exhaust, the BFO carburetor may not reach its full potential. Upgrading these components alongside the carburetor can significantly improve results but adds to the cost.
6. **Reliability Concerns with Poor Installation** If not installed or tuned correctly, the BFO carburetor could develop issues like:- **Carburetor flooding** (excess fuel flooding the cylinder).
- **Needle valve sticking** (causing rough idle or no-start conditions).
- **Vacuum leaks** (if seals or gaskets are not properly seated).
These problems can be frustrating and may require additional troubleshooting.
7. **Fuel Quality Dependence** Like all carburetors, the BFO HX2B7O performs best with clean, high-quality fuel. Using low-quality or contaminated fuel can clog jets or cause erratic performance, negating some of the benefits.
---
### **Conclusion:**The **BFO HX2B7O carburetor is a solid upgrade** for both the **Yamaha Bruin 250 and Kodiak 450**, particularly if you plan to modify the bike further or need more power for heavy-duty use. However, the decision depends on your priorities:
- **For the Kodiak 450 (2003 2006):** The BFO carburetor is a **worthwhile investment** if you want better throttle response, smoother power, and reliability, especially for towing or aggressive riding. The performance gains are more noticeable on this larger, heavier machine.
- **For the Bruin 250 (YFM250):** The upgrade is **less justified** unless you re heavily modifying the bike. The stock carburetor is already adequate for most riding conditions, and the cost of the BFO may not be fully realized without additional upgrades (e.g., intake, exhaust, or clutch).
### **Recommendation:** 1. **If you re on a Kodiak 450 and plan to ride aggressively or tow loads:**- **Buy the BFO HX2B7O** and invest in a **jet kit** (often included) and **professional tuning** if you re inexperienced.
- Consider upgrading the **intake and exhaust** simultaneously for the best results.
- Use **high-quality fuel** and **clean the carburetor regularly** to maintain performance.
2. **If you re on a Bruin 250 and mostly ride lightly:**- **Stick with the stock carburetor** unless you re adding significant power modifications.
- If you still want to upgrade, consider a **less expensive aftermarket carburetor** (e.g., a **Walbro or Keihin**) that may offer better value for the Bruin s lower power demands.
3. **If you re unsure about tuning:**- **Test the BFO carburetor for a short period** under controlled conditions (e.g., a test ride with a friend who knows carburetion).
- **Start with stock jets** and make gradual adjustments to avoid issues.
4. **Always verify compatibility:**- Double-check that the **BFO HX2B7O is confirmed for your exact model year** (some aftermarket parts have slight variations).
- Ensure your **throttle body and linkage** are compatible some users report minor adjustments may be needed for smooth operation.
### **Final Verdict:**The **BFO HX2B7O is a strong choice for the Kodiak 450** and a **mixed bag for the Bruin 250**, depending on your riding style and modification plans. If you re committed to improving performance, **proper tuning is non-negotiable** skipping this step can lead to worse results than stock. For the Bruin, weigh the cost against the expected gains before purchasing.
Details:
Oil, unplug the oil pipe. 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. Finally, remove the throttle cable. Factory Warranty.
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. 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. Package included. Specifications.
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. Fast Shipping. OE/Part number. 2001 - 2007, for Yamaha Bruin 250 YFM 2005 - 2006, 350 2x4 4X4.
>>you might also like. offers a minimum one year, unlimited mileage warranty on most of parts sold, some are otherwise noted longer manufacturer Best Costumer Service. For Yamaha Big Bear 250 2007 -2009, for 400 YFM 2x4 4X4.
2006 -2010, for Yamaha Grizzly 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. Then you can load him into the car. 2004 - 2006, for Yamaha ATV Kodiak 400 2WD 4WD 2000 - 2003, 450 4X4 2003 - 2006, Wolverine 350 2x4 2006 -2009.
It begins from the date purchased.
specifications carbthrotatv:
- for models: Yfm250, 250, 450, 4x4, Kodiak
- for makes: Yamaha
- for years: 2003-2006
- brand: Bfo
- mpn: Hx2b7o
- california prop 65 warning: California Prop 65 Warning
- choke type: Mechanical
- compatible make: For Yamaha
- compatible year: 2001-2009
- country of origin: China
- 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:
- sold: 0
- started: May 3, 2026
- best offers: True
- options: Ship-to-home
- availability: In Stock
- quantity: 10
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- policy: Returns Accepted
- paid by: Seller
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- ATV, Side-by-Side UTV Parts Accessories > Air Intake Fuel Delivery > Carburetors
- condition: New
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- carrier: FedEx
- type: Fixed
- class: Standard
- service: FedEx Ground / FedEx Home Delivery
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- # reviews: 1718
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