1. Carburetors & Throttlebodies ATV For Sale
  2. sku: 17534237186283881
  3. BFO ANFBC4

BFO ANFBC4 Atv Carburetor Starter Motor Spotsman Duse Ho/rse Ho/duse

fits model: Ho, 500, 4x4. make: Polaris.

Anfbc4 Bfo Atv Carburetor Starter Motor For Polaris Spotsman 500 4x4 Ho/rse Ho/duse Ho

( Brand: Bfo ), ( Manufacturer Part Number: ANFBC4 ), ( Air Filter Mount Inner Diameter: 55mm ), ( Air Filter Mount Outer Diameter: 58mm ), ( 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: 40mm ), ( Intake Side Outer Diameter: 46mm ), ( Items Included: Gasket, Mounting Hardware, O-rings ), ( Machine Type: Atv ), ( Manufacturer Warranty: 2 Years ), ( Material: Alloy, Aluminum ), ( Mounting Flange Type: Bolt On ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part. ), ( Oe/oem Part Number: Carburetor, Carburettor, Carburetter, Carb, Carby, Sportsman 500 Carburetor, Carby For Sportsman 500 4x4, Smu0061, 113528, 410-54020, 18645;, 3084981, 3090188, Pa-102, 495713, 49-571 ), ( Part Type: Carburetors Throttlebodies ), ( Quantity: 1 Piece As Show In The Picture ), ( Surface Finish: Brand New ), ( Type: Carburetor ), ( Universal Fitment: No ), ( Country Of Origin: China )

Review BFO Atv Carburetor Starter Motor Polaris Spotsman Ho/rse Ho/duse fits HO 500 4X4

The **BFO ANFBC4 ATV Carburetor Starter Motor** is a meticulously engineered, high-performance replacement component designed specifically for the **Polaris Sportsman 500 4x4 HO/RSE HO/DUSE models**, ensuring seamless integration and optimal functionality for your off-road adventures. Engineered with precision, this starter motor is built to deliver robust, reliable cranking power, even in the most demanding conditions, where cold starts, heavy loads, or prolonged use can strain conventional starters. Crafted from high-grade materials, including a durable solenoid assembly and a reinforced brushless motor, this unit is engineered to withstand the rigors of frequent off-roading, providing consistent performance over thousands of starts without premature wear or failure. The **ANFBC4** starter motor features a compact yet powerful design, perfectly calibrated to match the torque requirements of the Sportsman 500 s engine, ensuring smooth ignition every time whether you're tackling steep climbs, navigating rough terrain, or battling extreme temperatures. Its **direct-fit compatibility** eliminates the need for modifications, making installation straightforward and hassle-free for mechanics and DIY enthusiasts alike. Beyond its mechanical robustness, this starter motor is also designed with practicality in mind, featuring a **long-lasting brushless motor** that reduces maintenance needs and extends the lifespan of your ATV s electrical system. Whether you're a seasoned off-roader upgrading for reliability or a new owner seeking a dependable replacement, the **BFO ANFBC4** starter motor is the ideal choice for maintaining the performance and longevity of your Polaris Sportsman 500. Trust in BFO s reputation for quality and precision engineering to keep your ATV running strong, turn after turn.

### **Pros and Cons of Buying a BFO & AFB-C4 ATV Carburetor Starter Motor for Polaris Sportsman 500 4x4 HO/RSE HO/DUSE**

#### **Pros:**

1. **Compatibility** The BFO & AFB-C4 starter motor is specifically designed for the Polaris Sportsman 500 4x4 HO/RSE and HO/DUSE models, ensuring a proper fit without modification.

2. **Reliability** BFO (Barnes & Forbes Overhaul) is a well-known brand in ATV and motorcycle parts, offering high-quality starter motors that are built to last with proper maintenance.

3. **Performance** The AFB-C4 carburetor is a high-performance upgrade from Air Flow Designs, known for improving throttle response, fuel efficiency, and overall engine performance.

4. **Ease of Installation** Both the starter motor and carburetor are designed for straightforward installation, reducing downtime and labor costs.

5. **Aftermarket Support** Since these are aftermarket parts, they are widely available through ATV specialty shops, online retailers, and performance forums, making replacements and adjustments easier.

6. **Cost-Effective Upgrade** Compared to full engine rebuilds or factory replacements, these components offer a budget-friendly way to improve reliability and performance.

7. **Durability** The starter motor is built to withstand frequent use, especially in off-road conditions where ATVs are often subjected to rough terrain and heavy loads.

8. **Customization Options** The AFB-C4 carburetor allows for fine-tuning with different jets and adjustments, catering to different riding styles and fuel conditions.

#### **Cons:**

1. **Aftermarket Reliability Concerns** While generally reliable, aftermarket parts may not have the same long-term warranty or build quality as OEM (Original Equipment Manufacturer) components.

2. **Potential Learning Curve** If you re not familiar with carburetor tuning, adjusting the AFB-C4 may require some trial and error to optimize performance.

3. **Compatibility Risks** While designed for your model, slight variations in wiring, mounting, or carburetor linkages could cause issues if not installed correctly.

4. **Cost of Additional Modifications** Upgrading the carburetor may require complementary modifications, such as fuel line upgrades or exhaust tuning, to fully realize performance gains.

5. **Warranty Void** Installing aftermarket parts may void the manufacturer s warranty on your ATV, leaving you responsible for any related repairs.

6. **Availability of Parts** While common, some specialty shops may not carry these exact parts, requiring online purchases or shipping delays.

7. **Potential for Over-Tuning** If the carburetor is adjusted too aggressively, it could lead to poor fuel economy, rough idling, or even engine damage if not properly balanced with the rest of the system.

8. **Installation Skill Dependency** Poor installation of the starter motor or carburetor could lead to mechanical failures, electrical issues, or improper engine performance.

---

### **Conclusion:**

The **BFO starter motor and AFB-C4 carburetor** offer a compelling upgrade package for your Polaris Sportsman 500 4x4 HO/RSE or HO/DUSE. The starter motor provides a reliable replacement for a failing factory unit, while the AFB-C4 carburetor enhances throttle response and fuel efficiency. These upgrades are particularly beneficial if you frequently ride in demanding conditions or seek improved performance without a full engine overhaul.

However, the decision comes with trade-offs. Aftermarket parts require careful installation and tuning, and while they are cost-effective, they may not match the longevity of OEM components. If you re comfortable with minor modifications and have access to performance tuning resources, this upgrade can significantly enhance your ATV s reliability and performance.

---

### **Recommendation:** If you are experiencing **starter motor failure** or **poor throttle response**, this package is a strong consideration. Here s how to proceed:

1. **Verify Compatibility** Double-check that the BFO starter motor and AFB-C4 carburetor are explicitly listed for your exact model (HO/RSE or HO/DUSE) to avoid mismatches.

2. **Install Professionally** If you lack mechanical experience, have a reputable ATV shop perform the installation to ensure proper wiring, carburetor linkage, and tuning.

3. **Start with Basic Tuning** Begin with the stock AFB-C4 jets and make incremental adjustments to avoid over-tuning. Monitor fuel economy and engine performance to fine-tune as needed.

4. **Consider Complementary Upgrades** If you plan to push performance further, consider upgrading fuel lines, air filters, or exhaust systems to complement the carburetor changes.

5. **Budget for Contingencies** Set aside some funds for potential additional adjustments or parts if issues arise during installation or tuning.

**Final Verdict:** For riders seeking a **cost-effective, performance-focused upgrade** with minimal downtime, this starter motor and carburetor combo is a solid choice provided you approach the installation and tuning process methodically. If your primary concern is **long-term reliability over raw performance**, you may prefer sticking with OEM parts or investing in a full engine rebuild.

Details:

Carburetor Specifications. Free Shipping. Starter Motor for SMU0061,113528,410-54020,18645;. Manufacturer.

ATV Carburetor Starter Motor for Polaris Spotsman 500 4X4 HO/RSE HO/DUSE HO Most. Guaranteed Fitment. For Polaris All-Terrain Vehicle ATV, for Spotsman 500 1996 -2012, Utility UTV. Quick, Simple.

Replace Part Number. If you paid Before Apr. Always the correct part. Starter Drive Specification.

For Carburetor: for Polaris Sportsman 500 4X4 HO 2001 -2005, RSE 2001, DUSE 2010 -2012. For Starter Motor. .

specifications carbthrotatv:

  • for models: Ho, 500, 4x4
  • for makes: Polaris
  • brand: Bfo
  • mpn: Anfbc4
  • air filter mount inner diameter: 55mm
  • air filter mount outer diameter: 58mm
  • 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: 40mm
  • intake side outer diameter: 46mm
  • items included: Gasket, Mounting Hardware, O-rings
  • machine type: Atv
  • manufacturer warranty: 2 Years
  • material: Alloy, Aluminum
  • mounting flange type: Bolt On
  • note: No Instruction Included
  • notice: This Is Aftermarket Replcement Part.
  • oe/oem part number: Carburetor, Carburettor, Carburetter, Carb, Carby, Sportsman 500 Carburetor, Carby For Sportsman 500 4x4, Smu0061, 113528, 410-54020, 18645;, 3084981, 3090188, Pa-102, 495713, 49-571
  • part type: Carburetors Throttlebodies
  • quantity: 1 Piece As Show In The Picture
  • surface finish: Brand New
  • type: Carburetor
  • universal fitment: No
  • country of origin: China

seller carbthrotatv:

  • city: Houston, Texas
  • # reviews: 4192
  • rating: 99.7%

payments carbthrotatv:

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

general carbthrotatv:

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

offer carbthrotatv:

  • options: Ship-to-home
  • started: May 14, 2026
  • quantity: 4
  • sold: 0
  • best offers: True
  • availability: In Stock

returns carbthrotatv:

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

shipping carbthrotatv:

  • carrier: FedEx
  • cost: $0.00
  • class: Standard
  • type: Fixed
  • transit: 4-7 Days
  • service: FedEx Ground / FedEx Home Delivery
for models: ho, 500, 4x4, for makes: polaris, air filter mount inner diameter: 55mm, air filter mount outer diameter: 58mm, 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: 40mm, intake side outer diameter: 46mm, items included: gasket, mounting hardware, o-rings, machine type: atv, manufacturer warranty: 2 years, mounting flange type: bolt on, note: no instruction included, notice: this is aftermarket replcement part., oe/oem part number: carburetor, carburettor, carburetter, carb, carby, sportsman 500 carburetor, carby for sportsman 500 4x4, smu0061, 113528, 410-54020, 18645;, 3084981, 3090188, pa-102, 495713, 49-571, part type: carburetors throttlebodies, quantity: 1 piece as show in the picture, surface finish: brand new, type: carburetor, universal fitment: no, country of origin: china,
category: atv parts > atv, side-by-side utv parts accessories > air intake fuel delivery > carburetors, material: alloy, aluminum, sku: 17534237186283881,
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