LABWORK LP548376KS Carburetor Carb 32MM 2-STROKE

( Brand: Labwork ), ( Manufacturer Part Number: LP548376KS ), ( Manufacturer Warranty: 90 Day ), ( Fitment Type: Direct Replacement ), ( Type: Carburetor ), ( Fitment 1: For Polaris Trail Blazer 250 1990-2006 ), ( Fitment 2: For Polaris Trail Blazer Xplorer 250 2000-2002 ), ( Fitment 3: For Polaris Polaris Sport 400l 1994-1999 ), ( Fitment 4: For Polaris Polaris Xplorer 400 1999-2002 ), ( Fitment 5: For Polaris 1997 Polaris Sportsman 400l ), ( Engine Type: 2-stroke ), ( Note: Only Fits 2-stroke Engine ), ( Intake Side: 32mm/40mm ), ( Inair Filter Side: 44mm/47mm ), ( Placement On Vehicle: Front )

Review LABWORK Carburetor 32mm Carb 2-stroke Polaris fits XPLORER TRAIL BLAZER 400 250 1999

The **LabWork LP548376KS** is a high-performance, precision-engineered carburetor designed specifically for 32mm two-stroke applications, making it an ideal upgrade for the **Polaris Xplorer 400 Trail Blazer 250** from the **1999 model year**. This carburetor is crafted to deliver enhanced throttle response, improved fuel efficiency, and a more refined power delivery, ensuring that your off-road adventure vehicle performs at its peak under demanding conditions. Built with a robust **32mm venturi**, the LP548376KS features a **K-shape design**, which optimizes airflow while maintaining smooth operation across a wide RPM range. The carburetor incorporates a **high-quality brass body** for durability and resistance to corrosion, ensuring longevity even in harsh, dust-laden environments. Its **precision-machined internals**, including a **needle and jet system**, allow for fine-tuned adjustments, enabling riders to dial in the perfect fuel-air mixture for optimal performance, whether cruising on trails or pushing the engine to its limits during aggressive riding. The **sealed gaskets and O-rings** prevent leaks, ensuring a tight, reliable fit when installed, while the **easy-to-access adjustment screws** including the pilot, main jet, and idle mixture screws provide quick and precise tuning capabilities. Whether you're looking to restore stock performance, increase horsepower, or simply enhance reliability, the **LabWork LP548376KS** is a dependable choice that combines performance, durability, and ease of use. Perfect for both stock and modified 1999 Polaris Xplorer engines, this carburetor is a testament to LabWork s commitment to delivering high-quality, performance-focused components for two-stroke applications.

### **Pros and Cons of buying a LabWork LP548376KS Carburetor (32mm, 2-Stroke) for a 1999 Polaris Xplorer 400/Trail Blazer 250**

1. **OEM Replacement Quality** The LabWork carburetor is designed as an exact replacement for the original equipment carburetor used in the 1999 Polaris Xplorer 400 and Trail Blazer 250. This means it should fit perfectly without modification, ensuring proper function and performance.

2. **Reliability and Durability** LabWork is a well-known brand in the off-road and ATV industry, known for producing high-quality carburetors that are built to last. The LP548376KS is likely to be robust and resistant to wear, especially if it s a newer model or well-maintained.

3. **Proper Fuel Mixture and Performance** Since this is a direct OEM replacement, it should provide the correct fuel-air mixture for your engine, preventing issues like lean running, flooding, or poor acceleration. This can lead to smoother operation, better throttle response, and improved fuel efficiency compared to a poorly adjusted or aftermarket carb that may not match the engine s requirements.

4. **Ease of Installation** Being an OEM part, the installation process should be straightforward, requiring only basic tools and mechanical knowledge. No extensive modifications or additional components (like adapters) should be needed.

5. **Compatibility with Stock Engine Tuning** If your engine is running on stock settings (ignition timing, air filter, exhaust, etc.), this carburetor will integrate seamlessly without requiring significant adjustments to other systems. This makes it a low-risk upgrade for those who want to restore or maintain stock performance.

6. **Widely Available Support** LabWork carburetors are commonly found in ATV repair shops, online marketplaces, and specialty stores. This means you can easily find replacement parts (jets, gaskets, seals) or professional assistance if needed.

7. **Cost-Effective Solution** Compared to aftermarket carburetors or full engine rebuilds, this is a relatively inexpensive way to restore or improve your ATV s performance. It s often cheaper than purchasing a used or rebuilt carburetor from a salvage yard.

8. **Minimal Tuning Required** Unlike aftermarket carburetors that may require extensive tuning (such as adjusting idle speed, pilot jets, or main jets), this OEM replacement should perform well out of the box with basic adjustments (like cleaning or replacing old jets if necessary).

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1. **Limited Performance Gains** Since this is an OEM replacement, it won t provide any significant power or torque increases. If you re looking to modify your ATV for better performance (e.g., for racing or heavy-duty use), this carburetor may not be sufficient on its own. You might need to pair it with other upgrades (e.g., a high-flow air filter, exhaust system, or clutch kit).

2. **Potential for Wear or Failure** Like any mechanical part, the carburetor can wear out over time, especially if the engine is heavily used or if fuel quality is poor. If the original carburetor was neglected (e.g., clogged jets, worn seals), the replacement may not last as long as expected unless properly maintained.

3. **Dependence on Proper Maintenance** Carburetors require regular cleaning and jet adjustments to perform optimally. If you neglect maintenance (e.g., failing to clean the carburetor, using the wrong fuel mix, or ignoring idle issues), the LP548376KS may underperform or fail prematurely.

4. **No Upgrade Potential** If you later decide to modify your ATV for better performance (e.g., installing a larger carburetor or a turbocharger), this OEM carburetor may become a bottleneck. You d need to replace it with a larger or aftermarket unit, which could require additional engine tuning.

5. **Possible Stock Limitations** If your ATV has other worn or outdated components (e.g., a weak clutch, stock exhaust, or old ignition system), the carburetor alone won t compensate for these limitations. The engine s overall performance will still be constrained by these factors.

6. **Fuel Quality Dependence** Two-stroke engines (including those in Polaris ATVs) are sensitive to fuel quality. Using low-quality or improperly mixed fuel (e.g., wrong oil-to-gas ratio) can clog the carburetor jets and reduce its lifespan. This is a risk with any two-stroke carburetor, not just this one.

7. **Learning Curve for Adjustment** While easier than aftermarket carburetors, OEM carburetors still require some knowledge to adjust properly. If you re not familiar with carburetor tuning (e.g., idle speed, pilot jet sizing), you might need to consult a mechanic or rely on trial and error, which could lead to temporary performance issues.

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The **LabWork LP548376KS carburetor** is an excellent choice for restoring or maintaining the stock performance of your 1999 Polaris Xplorer 400 or Trail Blazer 250. It offers reliability, ease of installation, and compatibility with your engine s original specifications. If your primary goal is to replace a worn or damaged carburetor and return your ATV to its factory condition, this is a safe and cost-effective option.

However, if you re looking to **maximize performance, increase power, or prepare the ATV for heavy-duty use**, this carburetor alone may not be sufficient. In such cases, you might need to consider:

- **Aftermarket carburetors** (e.g., Keihin, Walbro, or Mikuni) with larger throat sizes for better airflow.

- **Additional modifications** (e.g., high-performance air filter, exhaust system, or clutch upgrade) to complement any carburetor changes.

- **Professional tuning** to ensure the carburetor is properly adjusted for your specific riding conditions.

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- You need a direct OEM replacement for a failing or clogged carburetor.

- Your ATV is running stock or lightly modified, and you want to restore its original performance.

- You re on a budget and want a reliable, easy-to-install solution.

- You plan to maintain regular carburetor cleaning and jet adjustments.

- You want to **increase power or torque** in which case, a larger aftermarket carburetor (e.g., a 36mm or 38mm) paired with other upgrades may be better.

- Your ATV has **other worn components** that limit performance addressing those first (e.g., clutch, exhaust, or ignition) will yield better results.

- You re **not comfortable with carburetor tuning** in this case, a pre-tuned aftermarket carburetor or consulting a professional may be safer.

**Final Verdict:** For a **straightforward, no-frills replacement** that restores your ATV to stock-like condition, the LabWork LP548376KS is a solid and recommended choice. If you re aiming for performance gains, explore aftermarket options and complementary modifications. Always ensure proper maintenance (clean carburetor, use fresh fuel, check jets regularly) to maximize its lifespan.

Details:

Not include Public holiday. Excellent Delivery. Size: Intake Side Inner Diameter: 32mm Outer 40mm Air Filter Mount Diameter: 44mm 47mm. Engine Transmission Suspension Decoration.

For Polaris Xplorer 400 1999 -2002. Only Replace for 2-Stroke Engines. Package Include. For Polaris Xplorer 400L 1996 -1998.

part #: lp548376ks prices

• $25.85-$32.07

specifications carbthrotatv:

• for models: 400, 250, Xplorer, Trail, Blazer
• for makes: Polaris
• brand: Labwork
• mpn: Lp548376ks
• manufacturer warranty: 90 Day
• fitment type: Direct Replacement
• type: Carburetor
• fitment 1: For Polaris Trail Blazer 250 1990-2006
• fitment 2: For Polaris Trail Blazer Xplorer 250 2000-2002
• fitment 3: For Polaris Polaris Sport 400l 1994-1999
• fitment 4: For Polaris Polaris Xplorer 400 1999-2002
• fitment 5: For Polaris 1997 Polaris Sportsman 400l
• engine type: 2-stroke
• note: Only Fits 2-stroke Engine
• intake side: 32mm/40mm
• inair filter side: 44mm/47mm
• placement on vehicle: Front

seller carbthrotatv:

• city: Monroe Township, New Jersey
• # reviews: 18982
• rating: 99.4%

offer carbthrotatv:

• started: April 3, 2026
• sold: 0
• options: Ship-to-home
• best offers: True
• availability: In Stock

returns carbthrotatv:

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

payments carbthrotatv:

• wallet: Apple-pay
• other
• credit card: Diners-club

shipping carbthrotatv:

• class: Standard, Expedited
• transit: 4-8 Days
• type: Fixed
• cost: $0.00
• service: Standard, Expedited

general carbthrotatv:

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

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