1. Carburetors & Throttlebodies ATV For Sale
  2. sku: 17356186288470871
  3. LABWORK LAW38478

LABWORK LAW38478 Carburetor Rebuild Fa Fga Fpa Kit

fits model: Trx500, 500, 4x4, Foreman, Rubicon. make: Honda. year: 2005–2014.

Law38478 Labwork Carburetor Rebuild Kit For Honda Trx500 Fa Fga Fpa Foreman Rubicon 500 4x4 05-14

( Brand: Labwork ), ( Manufacturer Part Number: LAW38478 ), ( Manufacturer Warranty: 90 Day ), ( Type: Carburetor Rebuild Kit ), ( Placement On Vehicle: Front )

Review LABWORK Carburetor Rebuild Kit Honda Fa Fga Fpa fits FOREMAN RUBICON TRX500 500 4X4 2005–2014

The **LabWork LAW38478 Carburetor Rebuild Kit** is a meticulously engineered, high-performance solution designed specifically for Honda s legendary **TRX500 Foreman Rubicon 4x4** models spanning the **2005 2014 FA, FGA, and FPA generations**. This premium rebuild kit is crafted to restore, refine, and optimize the stock **Keihin FCR-C20 carburetor** a critical component that governs fuel delivery, throttle response, and overall engine efficiency ensuring peak performance, reliability, and longevity for your off-road powerhouse. Engineered with precision, the kit includes a **comprehensive selection of OEM-quality parts**, including a **new gasket set, jet assembly, throttle body, and precision-machined internals**, all sourced from trusted manufacturers to meet or exceed Honda s original specifications. Unlike generic aftermarket alternatives, this kit is tailored to the unique demands of the TRX500 s high-torque, high-revving V-Twin engine, delivering seamless fuel atomization and consistent power delivery whether you re conquering rugged trails, towing heavy loads, or cruising on-road. The **FCR-C20 carburetor** within this kit is renowned for its robust construction and adaptability, making it an ideal candidate for both routine maintenance and performance upgrades. Whether you re a seasoned mechanic or a hands-on enthusiast, the **LabWork rebuild kit** simplifies the process with clear instructions and high-quality components that eliminate leaks, clogs, and performance drift, ensuring your Foreman Rubicon maintains its reputation as a rugged, dependable off-road machine. With its **durable materials, meticulous attention to detail, and compatibility with the TRX500 s fuel system**, this kit is an indispensable investment for anyone seeking to preserve or enhance the performance of their Honda s legendary carburetor.

### **Pros and Cons of buying a LabWork LAW38478 Carburetor Rebuild Kit for Honda TRX500 (FA/FGA/FPA Foreman/Rubicon 500 4x4, 2005 2014)**

#### **Pros:**

1. **Compatibility** The kit is specifically designed for the Honda TRX500 (Foreman/Rubicon 500) models from 2005 to 2014, ensuring a proper fit without modifications.

2. **High-Quality Components** LabWork is a reputable brand known for producing reliable carburetor rebuild kits with precision-machined parts, including jets, gaskets, and seals.

3. **Complete Rebuild Solution** The kit includes all necessary parts for a full carburetor overhaul, such as:

- Carburetor body gaskets

- Throttle body gaskets

- Jets (pilot, main, transfer)

- Needles and springs

- Diaphragms and seals

- Cleaning solvents and brushes

- Instructions for reassembly

This eliminates the need to source parts separately, saving time and effort.

4. **Improved Performance & Reliability** A properly rebuilt carburetor can restore optimal fuel delivery, reduce fuel waste, and prevent common issues like flooding, lean running, or hard starting.

5. **Cost-Effective Alternative to Replacement** Rebuilding a carburetor is often cheaper than purchasing a new one, especially for older models where OEM replacements may be expensive or hard to find.

6. **Ease of Installation** The kit comes with clear instructions, making it accessible for DIYers with basic mechanical skills. However, those unfamiliar with carburetor work may still require patience.

7. **Long-Term Durability** Using new, high-quality parts reduces the risk of leaks, wear, or failure over time, extending the life of the carburetor.

8. **Environmentally Friendly** Rebuilding rather than replacing reduces waste compared to discarding an old carburetor.

---

#### **Cons:**

1. **Learning Curve for DIYers** If you lack experience with carburetor rebuilds, the process can be time-consuming and frustrating. Proper cleaning, part alignment, and adjustment are critical to performance.

2. **Time-Consuming Process** A thorough rebuild requires disassembly, cleaning, inspection, and precise reassembly, which may take several hours, especially for beginners.

3. **Potential for Mistakes** Incorrectly installed parts (e.g., wrong jets, misaligned needles) can lead to poor performance, such as rough idling, stalling, or poor acceleration. Some users may need to experiment with jet sizes.

4. **Depends on Engine Condition** If the engine itself has issues (e.g., worn pistons, faulty ignition, or vacuum leaks), rebuilding the carburetor alone may not fully resolve performance problems.

5. **Cost of Additional Tools** While the kit includes most parts, you may need supplementary tools such as:

- Carburetor cleaning solvent

- Ultrasonic cleaner or high-quality brushes (if not provided)

- Torque wrench (for gasket installation)

- Vacuum pump (for testing)

- Basic hand tools (screwdrivers, pliers)

If you don t already own these, they add to the upfront cost.

6. **Limited Warranty (If Any)** LabWork s warranty terms (if applicable) may not cover user errors or improper installation, leaving you responsible for any issues arising from mistakes.

7. **Jet Sizing Trial and Error** Finding the correct jet sizes for your specific riding conditions (e.g., high altitude, heavy load) may require adjustments, which could involve purchasing extra jets or experimenting.

8. **Risk of Contamination** If the carburetor is heavily fouled with carbon or varnish, thorough cleaning is essential. Skipping this step can lead to clogged passages and poor performance.

---

### **Conclusion**

The **LabWork LAW38478 carburetor rebuild kit** is a strong choice for Honda TRX500 owners looking to restore or improve carburetor function without the expense of a full replacement. Its compatibility, quality components, and completeness make it a practical option for those willing to invest time in the rebuild process. However, it is not a "plug-and-play" solution success depends on careful execution, proper cleaning, and possibly some trial and error with jet sizing.

For **experienced mechanics or confident DIYers**, this kit offers a cost-effective way to revive engine performance and reliability. For **beginners**, it may be wise to research step-by-step guides, watch rebuild tutorials, or consult a professional if unsure about any part of the process.

If your primary goal is **immediate convenience**, a new OEM or aftermarket carburetor might be preferable, but for **long-term savings and hands-on learning**, rebuilding is an excellent alternative.

### **Recommendation:** - **Proceed with the rebuild kit if:**

- You have basic mechanical skills and are willing to dedicate time to the process.

- You re comfortable following instructions carefully and troubleshooting minor issues.

- You want to save money compared to buying a new carburetor.

- Your engine s other systems (ignition, fuel system, intake) are in good condition.

- **Consider alternatives if:**

- You lack confidence in carburetor work and prefer professional help.

- You re short on time and need a quick fix.

- Your engine has underlying issues (e.g., vacuum leaks, worn spark plugs) that would require additional repairs regardless of the carburetor.

For most TRX500 owners, **rebuilding with this kit is a smart investment** just be prepared for a learning curve and thorough preparation. If performance issues persist after reassembly, double-check for leaks, proper gasket installation, and correct jet sizing.

Details:

Warranty for defective items excluding damaged and/or misused after receipt. 1 Carburetor Rebuild Kit. Brake Suspension. For Honda Foreman Rubicon 500 TRX500FGA 4X4 2005 -2008.

Package Include. You can add a banner for this Others as header and here. For Honda Foreman Rubicon 500 TRX500FA 4X4 2005 -2014. New List Item.

For Honda Foreman Rubicon 500 TRX500FPA 4X4 2009 -2014.

part #: law38478 prices

  • $13.76-$16.66

specifications carbthrotatv:

  • for models: Trx500, 500, 4x4, Foreman, Rubicon
  • for makes: Honda
  • for years: 2005-2014
  • brand: Labwork
  • mpn: Law38478
  • manufacturer warranty: 90 Day
  • type: Carburetor Rebuild Kit
  • placement on vehicle: Front

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offer carbthrotatv:

  • started: April 24, 2026
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  • availability: In Stock
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  • city: Monroe Township, New Jersey
  • # reviews: 66527
  • rating: 99.5%

general carbthrotatv:

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

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for models: trx500, 500, 4x4, foreman, rubicon, for makes: honda, for years: 2005-2014, manufacturer warranty: 90 day, type: carburetor rebuild kit, placement on vehicle: front,
category: atv parts > atv, side-by-side utv parts accessories > air intake fuel delivery > carburetors, sku: 17356186288470871,
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