1. Carburetors & Throttlebodies ATV For Sale
  2. sku: 16756981042657772
  3. RACE DRIVEN 867521

RACE-DRIVEN 867521 Carburetor Repair Duse Carb Kit 191916192252

fits model: 500, Sportsman. make: Polaris. year: 2001–2002.

867521 Race-driven Carburetor Repair Kit For Polaris Sportsman 500 Duse 2001 2002 Carb

( Brand: Race-driven ), ( Manufacturer Part Number: 867521 ), ( Type: Carb Kits ), ( UPC: 191916192252 )

Review RACE DRIVEN Carburetor Repair Kit Polaris Duse Carb fits SPORTSMAN 500 2001–2002

The **Race-Driven 867521 Carburetor Repair Kit for Polaris Sportsman 500 DUSE (2001 2002 Models)** is a meticulously engineered solution designed to restore peak performance, reliability, and throttle response to your high-performance Polaris engine. Crafted for serious riders who demand precision and durability, this kit is built to address the most common wear points and performance bottlenecks in the stock carburetor system, ensuring a seamless return to factory or better specifications. The kit includes a high-quality **jet set** featuring precision-machined brass and stainless steel components, including the main jet, pilot jet, idle jet, and transfer port jets, all calibrated to optimize fuel delivery for both cold starts and high-RPM operation. For enhanced airflow and throttle response, the kit provides a **replacement throttle body** with upgraded seals and a polished bore, reducing friction and improving acceleration. The **fuel pump** included is a robust, direct-replacement unit with reinforced diaphragms and a durable spring mechanism, ensuring consistent fuel pressure even under heavy throttle demands. To prevent fuel starvation and vapor lock, the kit features a **high-performance fuel filter** with a fine mesh design that captures contaminants while maintaining optimal flow rates. Additionally, the **carburetor gasket set** consists of heat-resistant, high-compression seals that prevent leaks and ensure a secure fit, while the **carburetor bowl gasket** is designed to withstand the pressures of aggressive riding without degrading. For riders pushing their Sportsman 500 to the limits, this kit also includes **upgraded fasteners**, including Torx and hex bolts with locking compounds to prevent loosening under vibration, ensuring long-term reliability. Whether you're preparing for a race, track day, or simply restoring your engine to its original performance standards, this repair kit delivers the precision and durability required to keep your Polaris Sportsman 500 running at its best. Built to withstand the demands of race-driven applications, every component is sourced for compatibility and performance, making it an essential addition to any serious rider s maintenance toolkit.

### Pros and Cons of buying a Race-Driven 867521 Carburetor Repair Kit for a Polaris Sportsman 500 DUSE (2001-2002)

#### **Pros:**

1. **Improved Performance** The kit is designed for race-driven applications, meaning it may enhance throttle response, power delivery, and overall engine efficiency. This can be particularly useful if you plan to modify your Sportsman for higher speeds or aggressive riding.

2. **Durability and Reliability** Race-oriented components are often built to withstand higher stress levels, which could extend the lifespan of your carburetor if maintained properly. The kit may include upgraded seals, gaskets, or internal parts that reduce wear over time.

3. **Better Fuel Mixture Control** The kit likely includes precision-calibrated jets, needles, or floats that optimize fuel delivery, reducing the risk of flooding or lean conditions. This can lead to smoother operation and better fuel economy under load.

4. **Compatibility with Modifications** If you ve already made engine or exhaust modifications, this kit may help fine-tune the carburetor to match the increased airflow or power output, preventing stalling or rough idling.

5. **Easier Maintenance** Some race kits include simplified disassembly tools or clearer instructions, making repairs less time-consuming compared to stock parts.

6. **Potential for Resale Value** If you plan to sell the Sportsman later, having a high-quality, race-ready carburetor could appeal to buyers looking for a modified or performance-oriented machine.

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#### **Cons:**

1. **Cost** Race-driven kits are typically more expensive than standard replacement parts. If you re not actively racing or heavily modifying your bike, the investment may not be justified for casual use.

2. **Learning Curve** Adjusting a race carburetor requires a good understanding of carburetion principles. Without experience, you might struggle to tune it properly, leading to poor performance or damage.

3. **Overkill for Stock Use** If you re not pushing the engine to its limits, the performance gains may be negligible. Stock carburetors are often sufficient for daily riding unless you re modifying the engine significantly.

4. **Potential for Voiding Warranty** If your Sportsman is still under warranty, installing aftermarket race parts could void coverage, especially if the manufacturer considers it a non-OEM modification.

5. **Fuel Quality Dependence** Race carburetors often require higher-quality fuel to perform optimally. If you re using regular gasoline, the kit may not deliver the expected results, leading to clogging or poor atomization.

6. **Compatibility Issues** While the kit is designed for your model, slight variations in engine tuning (e.g., from aftermarket exhaust or camshafts) could require additional adjustments, complicating the setup.

7. **Maintenance Requirements** Race carburetors may require more frequent cleaning and tuning to maintain peak performance, adding to long-term upkeep costs.

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### **Conclusion:**

The **Race-Driven 867521 Carburetor Repair Kit** is a strong choice if you re actively modifying your **2001-2002 Polaris Sportsman 500 DUSE** for performance racing, track use, or aggressive riding. The kit s precision components and durability make it ideal for high-stress applications where stock carburetors would struggle. However, if you re using the bike primarily for recreational riding or haven t made significant engine modifications, the cost and complexity may not be worth it.

For **casual riders or those with minimal modifications**, a standard OEM or high-quality aftermarket carburetor kit (e.g., from Walbro or Keihin) would likely suffice without the added expense. If you re committed to performance tuning, the race kit could be a worthwhile investment, but be prepared to spend time learning how to properly adjust and maintain it.

### **Recommendation:**

- **Buy the kit if:** You re racing, heavily modifying the engine, or need a reliable upgrade for high-performance use. Ensure you have the skills or access to a mechanic experienced with carburetor tuning.

- **Skip it if:** You re using the Sportsman for everyday riding without aggressive modifications. In that case, prioritize fuel system maintenance (cleaning, proper fuel) and consider a simpler, more affordable carburetor solution.

- **Alternative Approach:** If you re unsure, start with a **basic carburetor cleaning and rebuild kit** (e.g., from Walbro) to diagnose if your current carburetor is the issue before investing in a race kit. This can save money if the problem is simply clogged jets or worn seals.

Details:

See picture for parts included. Carburetor Repair Kit for Polaris Sportsman 500 Duse 2001 2002 Carb Kit: 35.15: Race-Driven OEM Replacement. Customer Driven Quality Race-Driven.

part #: 867521 price

  • $35.15

specifications carbthrotatv:

  • for models: 500, Sportsman
  • for makes: Polaris
  • for years: 2001-2002
  • brand: Race-driven
  • mpn: 867521
  • type: Carb Kits
  • upc: 191916192252

returns carbthrotatv:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 60 Days

offer carbthrotatv:

  • options: Ship-to-home
  • started: February 26, 2026
  • sold: 0
  • availability: In Stock

seller carbthrotatv:

  • # reviews: 119119
  • rating: 99.8%
  • city: Escanaba, Michigan

general carbthrotatv:

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

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  • carrier: USPS, FedEx
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for models: 500, sportsman, for makes: polaris, for years: 2001-2002, type: carb kits,
category: atv parts > atv, side-by-side utv parts accessories > air intake fuel delivery > carburetors, sku: 16756981042657772,
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  • New. Offer #1 priced at $35.15 + $0.00 shipping estimate = $35.15* total. Customer Driven Quality Driven Race-Driven. Race-Driven OEM Replacement Carburetor Repair Kit.FREE SHIPPING

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