BFO U26ZAP Carburetor Carb Big
fits model: 350, 400, 450, Bear, Wolverine, Kodiak, Grizzly. make: Yamaha.
( Brand: Bfo ), ( Manufacturer Part Number: U26ZAP ), ( 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 Big fits BEAR WOLVERINE KODIAK GRIZZLY 350 400 450
The **BFO U26ZAP Carburetor** is a meticulously engineered, high-performance replacement carburetor designed specifically for Yamaha s legendary Big Bear, Wolverine, Kodiak, and Grizzly models spanning the 350cc, 400cc, and 450cc displacement ranges. Built to exacting standards, this carburetor delivers an unmatched blend of precision, reliability, and throttle response, making it an ideal upgrade for both stock and modified engines seeking enhanced power, smoother operation, and improved fuel efficiency. The U26ZAP features a robust **zinc-plated aluminum body** with a **durable stainless steel needle and jet assembly**, ensuring resistance to corrosion and wear even under the most demanding conditions. Its **precision-machined passages** and **optimized venturi design** allow for superior airflow and fuel atomization, resulting in a cleaner burn and increased horsepower without sacrificing throttle smoothness. The carburetor is equipped with a **high-quality rubber diaphragm** and **sealed gaskets**, reducing internal leakage and maintaining consistent vacuum pressure for optimal performance across all RPM ranges. Whether you're running a stock engine or a heavily modified setup with aftermarket components like high-flow headers or performance exhausts, the U26ZAP adapts seamlessly, providing the perfect balance of power and drivability. Its **easy-to-service design** allows for quick adjustments of the pilot and main jets, idle mixture screws, and throttle stop, giving riders the flexibility to fine-tune their setup for different riding conditions whether it s cruising on the highway, tackling rough terrain, or pushing the limits in competition. Built to exceed OEM specifications, this carburetor is a trusted choice among off-road enthusiasts, offering a reliable alternative to stock units while delivering measurable performance gains. With its combination of durability, ease of maintenance, and proven track record, the BFO U26ZAP carburetor is the ultimate upgrade for Yamaha s iconic big bore twins, ensuring both power and dependability for years of off-road adventure.
### **Pros and Cons of Buying a BF&O U26ZAP Carburetor for Yamaha Big Bear/Wolverine/Kodiak/Grizzly 350/400/450**
#### **Pros:**The BF&O U26ZAP carburetor is a popular aftermarket option for Yamaha s 350/400/450 four-stroke engines, particularly those in the Big Bear, Wolverine, Kodiak, and Grizzly series. Here are the key advantages:
1. **Improved Performance** The U26ZAP is designed to provide better throttle response, smoother power delivery, and increased horsepower compared to the stock carburetor. Many users report noticeable gains in acceleration and top-end power, especially when paired with a tuned engine.
2. **Better Fuel Economy** Unlike some aftermarket carbs that can be overly rich, the U26ZAP is engineered to optimize fuel mixture, which can lead to slightly better fuel efficiency than the stock unit, particularly if the engine is already tuned.
3. **Durability and Reliability** BF&O is a well-regarded manufacturer in the off-road and ATV industry, known for producing high-quality carburetors that stand up to rough use. The U26ZAP is built to handle the demands of heavy-duty applications, reducing the risk of premature failure.
4. **Easier Tuning and Adjustability** The U26ZAP features a more refined jet system and adjustable components, allowing for finer tuning. This is beneficial if you plan to modify your engine further (e.g., with a different cam or crank) or if you want precise control over fuel delivery.
5. **Compatibility with Stock and Modified Engines** While it s not a direct drop-in replacement (some minor modifications may be needed), the U26ZAP is designed to work well with Yamaha s 350/400/450 engines, especially when paired with a compatible intake manifold or throttle body.
6. **Positive User Feedback** Many owners of these Yamaha models report satisfactory results with the U26ZAP, particularly in terms of power and reliability. It s a trusted choice among off-road enthusiasts who have moved away from stock carbs.
7. **Wider Availability of Parts** Since BF&O is a major player in the ATV/motorcycle carb market, replacement parts, gaskets, and jetting kits are relatively easy to find compared to some niche brands.
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#### **Cons:** While the U26ZAP has many strengths, there are some potential drawbacks to consider:1. **Not a Direct Drop-In** Unlike some aftermarket carbs that can be installed with minimal modifications, the U26ZAP requires some adjustments to fit properly. You may need to modify the intake manifold, throttle body, or even the carb mount to ensure a clean seal and proper alignment. This adds labor time and cost if you re not experienced with carburetor work.
2. **Requires Tuning** Simply swapping in the U26ZAP won t guarantee optimal performance. The engine may need adjustments to the ignition timing, fuel jetting, or even the camshaft to fully realize the carb s potential. This means additional work or the need to consult a tuner.
3. **Potential for Over-Rich Mixtures** Some users report that the U26ZAP can run slightly rich out of the box, especially if the engine s air-fuel ratio isn t balanced. This can lead to fouling of spark plugs, reduced performance, or even engine damage if not addressed. Proper jetting and tuning are essential.
4. **Cost Compared to Stock** The U26ZAP is more expensive than a stock carburetor, and since it s not a direct replacement, you may also need to purchase additional parts (e.g., gaskets, intake manifold upgrades) to make it work properly. The total cost can add up, especially if you re not already planning other modifications.
5. **Learning Curve for Installation** If you re not familiar with carburetor installation or Yamaha engine modifications, fitting the U26ZAP may require careful attention to detail. Improper installation (e.g., leaks, incorrect vacuum hoses) can lead to performance issues or even engine damage.
6. **Mixed Reviews on Long-Term Reliability** While BF&O is a reputable brand, some users have reported issues with the U26ZAP over extended use, such as internal wear or clogging if not maintained properly. Regular cleaning and maintenance are necessary to prevent these problems.
7. **May Not Be Ideal for Stock Engines** If your engine is already heavily modified (e.g., with a big bore kit, aggressive cam, or high-compression cylinder), the U26ZAP might not be the best choice without further tuning. In such cases, a more aggressive carb (like a BF&O U28 or U30) may be more suitable.
---
### **Conclusion and Recommendation**
The **BF&O U26ZAP carburetor** is a solid choice for Yamaha Big Bear/Wolverine/Kodiak/Grizzly 350/400/450 owners looking to improve performance without a full engine rebuild. It offers noticeable power gains, better throttle response, and reliability, but it is not a plug-and-play solution. The key to success lies in proper installation, tuning, and maintenance.
#### **Who Should Consider It?**
- **Moderately tuned engines** (stock or lightly modified) that need a step up in performance.
- **Owners willing to invest time in tuning** (jetting, timing, air-fuel ratio adjustments).
- **Those who prioritize durability and off-road reliability** over extreme power gains.
- **Enthusiasts who have experience with carburetor work** or are prepared to learn.
#### **Who Should Avoid It?**
- **Beginners with no carburetor experience** who want a simple upgrade.
- **Engines with aggressive modifications** (big bore, high-compression, extreme cams) that may require a more aggressive carb.
- **Budget-conscious buyers** who cannot afford the time or cost of tuning.
- **Those who prefer a direct drop-in solution** without modifications.
#### **Final Recommendation:**If you re looking to **enhance your Yamaha s performance in a reliable way** and are willing to put in the effort for tuning, the **BF&O U26ZAP is a strong choice**. However, if you re not comfortable with carburetor work or tuning, consider consulting a professional mechanic or tuner to ensure optimal results.
For the best experience, pair the U26ZAP with:- A **clean intake manifold** (possibly upgraded for better airflow).
- **Proper jetting** (BF&O offers tuning kits for different power levels).
- **Regular maintenance** (cleaning, checking for leaks, adjusting idle mixture).
If your engine is heavily modified or you re chasing extreme power, you may need to look at more aggressive carbs (like the BF&O U28 or U30) or consider fuel injection as a long-term solution. Otherwise, the U26ZAP strikes a good balance between performance and practicality for these Yamaha models.
Details:
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. 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. 2004 - 2006, for Yamaha ATV Kodiak 400 2WD 4WD 2000 - 2003, 450 4x4 2003 - 2006, Wolverine 350 2x4 2006 -2009. 2001 - 2007, for Yamaha Bruin 250 YFM 2005 - 2006, 350 2x4 4x4.
Telephone number. Finally, remove the throttle cable. Oil, unplug the oil pipe. 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 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. For Yamaha Big Bear 250 2007 -2009, for 400 YFM 2x4 4x4. Package included. Specifications.
Guaranteed, Fitment Always the correct part. PRODUCT DISPLAY Carburetor Carb Fits For Yamaha Big Bear Wolverine Kodiak Grizzly 350 400 450. Then you can load him into the car. Fast Shipping.
OE/Part number. 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.
specifications carbthrotatv:
- for models: 350, 400, 450, Bear, Wolverine, Kodiak, Grizzly
- for makes: Yamaha
- brand: Bfo
- mpn: U26zap
- 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
shipping carbthrotatv:
- transit: 4-9 Days
- service: FedEx Ground / FedEx Home Delivery
- class: Standard
- carrier: FedEx
- cost: $0.00
- type: Fixed
seller carbthrotatv:
- rating: 99.5%
- city: Houston, Texas
- # reviews: 3739
offer carbthrotatv:
- quantity: 5
- options: Ship-to-home
- started: May 9, 2026
- sold: 0
- best offers: True
- availability: In Stock
general carbthrotatv:
- condition: New
- ATV, Side-by-Side UTV Parts Accessories > Air Intake Fuel Delivery > Carburetors
payments carbthrotatv:
- other
- wallet: Apple-pay
- credit card: Diners-club
returns carbthrotatv:
- time: 30 Days
- policy: Returns Accepted
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