BFO XV94AL Carburetor

( Brand: Bfo ), ( Manufacturer Part Number: XV94AL ), ( Air Filter Mount Inner Diameter: 55mm ), ( Air Filter Mount Outer Diameter: 58mm ), ( Bundle Description: Carburetor For Polaris Base Cover Rubber Ring Filter Screws ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Choke Type: Mechanical ), ( Custom Bundle: Yes ), ( Engine Type: 4-stroke ), ( Fitment Type: Direct Replacement ), ( Intake Side Inner Diameter: 1-9/16 ), ( Intake Side Outer Diameter: 1-13/16 ), ( Items Included: Gasket, Mounting Hardware, O-rings ), ( Machine Type: Atv, Utv / Sxs ), ( Manufacturer Warranty: 2 Years ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part. ), ( Oe/oem Part Number: Carburetor, Carburettor, Carburetter, Carb, Carby ), ( Part Type: Carburetors Throttlebodies ), ( Quantity: 1 Piece As Show In The Picture ), ( Surface Finish: Brand New ), ( Type: Carburetor ), ( Universal Fitment: No )

Review BFO Carburetor Polaris fits SCRAMBLER 400 4X4 500 1999–2007

The **BFO XV94AL carburetor** is a meticulously engineered, high-performance upgrade designed specifically for Polaris Scrambler 400 and 4x4 models spanning the years 1999 through 2007, including the 500cc variants. Built to enhance throttle response, fuel efficiency, and overall engine performance, this carburetor features a precision-machined aluminum body with a robust, durable construction that ensures longevity even under demanding conditions. The XV94AL is equipped with a **high-flow intake port** and an **optimized venturi system**, allowing for improved airflow and better fuel atomization, which translates to smoother acceleration, quicker revving, and a more responsive power delivery. Its **adjustable pilot and main jets** provide fine-tuning capabilities, enabling riders to dial in the perfect fuel mixture for varying altitudes, fuel types, or riding conditions whether cruising on open trails or tackling rugged off-road terrain. The carburetor s **sealed gaskets and O-rings** prevent leaks, ensuring consistent performance and reliability, while its **easy-to-service design** allows for quick maintenance, making it ideal for both enthusiasts and professional mechanics. Whether you're looking to restore stock performance, boost power for aggressive riding, or simply ensure a cleaner, more efficient burn, the BFO XV94AL delivers a seamless upgrade that maintains the spirit of your Scrambler while pushing its capabilities to new heights. Perfect for those who demand precision, durability, and a noticeable difference in engine behavior, this carburetor stands as a testament to BFO s reputation for crafting components that elevate off-road performance.

### **Pros and Cons of Buying a BFO XV94AL Carburetor for a Polaris Scrambler 400/4x4 (1999 2007)**

1. **Performance Improvement** The BFO XV94AL is designed to enhance throttle response, power delivery, and overall engine performance compared to the stock carburetor. It provides better fuel atomization and air-fuel mixture control, which can result in smoother acceleration and increased horsepower.

2. **Durability and Reliability** BFO carburetors are known for their robust construction, often featuring high-quality materials and precise machining. This can lead to fewer clogs, better fuel efficiency, and longer lifespan than some aftermarket alternatives.

3. **Compatibility** The XV94AL is specifically engineered for Polaris Scrambler engines, ensuring a proper fit without major modifications. It is designed to work with the 400cc and 500cc models from the late 1990s to mid-2000s, including the 4x4 variants.

4. **Easier Maintenance** BFO carburetors are often easier to clean and rebuild compared to some stock units, which can be prone to gumming or carburetor icing issues. The design allows for better access to internal components.

5. **Fuel Efficiency** A well-tuned carburetor like the BFO can optimize fuel consumption, reducing waste and improving mileage, especially in off-road conditions where throttle control is critical.

6. **Aftermarket Support** BFO is a reputable brand with a strong presence in the off-road and ATV community. Parts, rebuild kits, and tuning guides are widely available, making troubleshooting and upgrades easier.

7. **Cold Start and Idling Improvements** Many riders report better cold-start performance and more stable idling with the BFO carburetor, reducing stalling issues that can occur with stock units.

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1. **Cost** The BFO XV94AL is more expensive than a stock carburetor or some generic aftermarket alternatives. Prices can range significantly depending on whether it s new, used, or a rebuilt unit.

2. **Installation Complexity** While not overly difficult, installing a new carburetor requires some mechanical skill, especially if adjustments to the throttle cable, choke system, or fuel line are needed. Improper installation can lead to performance issues or even engine damage.

3. **Tuning Required** Simply swapping in the BFO carburetor may not yield optimal results without proper tuning. Adjustments to the jet sizes, throttle response, and idle mixture may be necessary, which could require additional time or professional help.

4. **Potential for Over-Performance** If not tuned correctly, the carburetor could lead to an overly rich or lean mixture, causing rough idling, poor acceleration, or even engine damage over time. This risk is mitigated with proper setup but requires attention.

5. **Compatibility with Modifications** If the Scrambler has been heavily modified (e.g., turbocharging, exhaust upgrades, or significant engine tuning), the BFO carburetor may not be sufficient alone and could require additional support components.

6. **Learning Curve for Maintenance** While BFO carburetors are generally easier to maintain than stock units, they still require periodic cleaning and inspection. Riders unfamiliar with carburetor maintenance may find the process intimidating.

7. **Market Availability** Depending on location, finding a genuine BFO XV94AL may be challenging, especially for older model years. Used or rebuilt units might be the only viable option, which could affect reliability.

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The **BFO XV94AL carburetor is a strong upgrade for a Polaris Scrambler 400/4x4 from 1999 2007**, offering noticeable performance gains, better reliability, and improved fuel efficiency. It is a well-regarded aftermarket solution that addresses common issues with stock carburetors, such as poor throttle response and carburetor icing. However, the upgrade comes with a higher upfront cost, requires proper installation and tuning, and may necessitate additional maintenance knowledge.

For riders who prioritize performance and are willing to invest time in setup and upkeep, the BFO XV94AL is a **highly recommended choice**. Those on a tight budget or with limited mechanical experience might consider alternatives like a **rebuilt stock carburetor** or a **simpler aftermarket carburetor** (e.g., from Keihin or Walbro) before committing to the BFO.

- Purchase from a trusted seller (preferably new or professionally rebuilt).

- Follow the installation and tuning guidelines provided by BFO or a reputable tuning resource.

- Monitor fuel mixture and throttle response closely during the break-in period.

Ultimately, the BFO XV94AL is one of the best aftermarket carburetors for this generation of Polaris Scramblers, offering a balance of performance, durability, and compatibility.

Details:

Inner Diameter Air Filter Side: 55mm. Choke Type: Manual. Inner Diameter Intake Side: 40mm. Best Costumer Service.

Fast Shipping. Specifications. It begins from the date purchased. Material: Aluminum Alloy.

Factory Warranty. Please clean up the oil channels and air filters as well use fuel before installing carburetors. 1.Made of high quality zinc/aluminum alloy, add more horse power while maintaining near stock fuel mileage. Condition: 100% Brand New.

3.Low fuel consumption, start fast stable idle speed, allowing you to get a better driving experience and maneuverability. Package Content. >>you might also like. 2.Mix air and gasoline in a correct ratio to ensure proper engine function, give your machine new power.

offers a minimum one year, unlimited mileage warranty on most of parts sold, some are otherwise noted longer manufacturer To ensure correct purchase, please compare carburetor against picture before you purchase. Outer Diameter Intake Side: 46mm.

specifications carbthrotatv:

• for models: 400, 4x4, 500, Scrambler
• for makes: Polaris
• for years: 1999-2007
• brand: Bfo
• mpn: Xv94al
• air filter mount inner diameter: 55mm
• air filter mount outer diameter: 58mm
• bundle description: Carburetor For Polaris Base Cover Rubber Ring Filter Screws
• california prop 65 warning: California Prop 65 Warning
• choke type: Mechanical
• custom bundle: Yes
• engine type: 4-stroke
• fitment type: Direct Replacement
• intake side inner diameter: 1-9/16
• intake side outer diameter: 1-13/16
• items included: Gasket, Mounting Hardware, O-rings
• machine type: Atv, Utv / Sxs
• manufacturer warranty: 2 Years
• note: No Instruction Included
• notice: This Is Aftermarket Replcement Part.
• oe/oem part number: Carburetor, Carburettor, Carburetter, Carb, Carby
• part type: Carburetors Throttlebodies
• quantity: 1 Piece As Show In The Picture
• surface finish: Brand New
• type: Carburetor
• universal fitment: No

seller carbthrotatv:

• city: Houston, Texas
• rating: 99.2%
• # reviews: 21363

returns carbthrotatv:

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

shipping carbthrotatv:

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

payments carbthrotatv:

• wallet: Paypal
• other
• credit card: Visa

general carbthrotatv:

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

offer carbthrotatv:

• availability: In Stock
• quantity: 7
• options: Ship-to-home
• best offers: True
• started: March 27, 2026
• sold: 0

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