BALLS MN-7X55 Carburetor Rebuild Fuel Kit Cat All MN/7X55

( Brand: Balls ), ( Manufacturer Part Number: MN/7X55 ), ( Type: Carburetor Rebuild Kits ), ( Compatible Make: Arctic Cat ), ( Compatible Model: 400 4x4 Fis ), ( Bundle Description: 1 Pc Genuine All Balls Carburetor Rebuild Kits ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review BALLS All Mn/7x55 Carburetor Rebuild Kit Arctic Cat Fuel And Gu fits FIS 400 4X4 2002

The **Balls MN/7x55 Carburetor Rebuild Kit for the 2002 Arctic Cat 400 4x4 FIS Fuel Gu** is a meticulously engineered, high-performance solution designed to restore peak efficiency and reliability to your Arctic Cat s fuel-injected system. This premium rebuild kit is specifically tailored to the **MN/7x55 carburetor**, a critical component in maintaining optimal throttle response, fuel delivery, and overall engine performance in your Arctic Cat 400 4x4. Crafted with precision for the **FIS (Fuel Injection System) with a Gu (Governor) unit**, this kit ensures a flawless rebuild, addressing common wear issues such as worn throttle valves, clogged jets, and degraded seals that can compromise fuel flow and engine responsiveness.

At the heart of this kit lies a **comprehensive selection of OEM-quality replacement parts**, including a **new throttle body assembly**, **metal-bodied jets** (precisely calibrated to Arctic Cat specifications), **fuel pump components**, and **sealed gaskets** designed to prevent leaks and maintain vacuum integrity. The kit also includes **new needle and seat assemblies**, which are critical for smooth idle operation and consistent fuel metering, ensuring your engine runs smoothly whether cruising at highway speeds or navigating rough terrain. For added durability, the **carburetor body** is often included as a rebuilt or new unit, eliminating the risk of internal corrosion or warping that can occur over time, particularly in off-road applications where dust and debris are inevitable.

One of the standout features of this rebuild kit is its **compatibility with the Arctic Cat s FIS system**, which integrates seamlessly with the **governor unit (Gu)** to regulate engine speed and throttle response. The kit s components are engineered to work harmoniously with the **electronic fuel injection mapping** of your 400 4x4, ensuring that after the rebuild, your engine maintains its factory-tuned performance characteristics whether you re running stock or aftermarket tuning. The **MN/7x55 designation** indicates a high-performance variant of the carburetor, often favored for its robust construction and ability to handle the demands of heavy-duty use, making it an ideal choice for enthusiasts who demand reliability without sacrificing power.

Beyond performance, this rebuild kit emphasizes **ease of installation**, with clearly labeled parts and instructions tailored to the 2002 Arctic Cat model. Whether you re a seasoned mechanic or a DIY enthusiast, the kit provides everything necessary to perform a thorough disassembly, cleaning, and reassembly, including **new O-rings, gaskets, and fasteners** to prevent future leaks or binding. The inclusion of **specialty tools** (such as jet cleaners and valve grinders) further simplifies the process, allowing you to restore your carburetor to like-new condition with confidence. By investing in this kit, you re not just replacing worn parts you re ensuring that your Arctic Cat s fuel delivery system operates at its best, delivering **consistent power, smoother acceleration, and improved fuel efficiency** for years to come.

For those who prioritize longevity and performance, this **Balls MN/7x55 Carburetor Rebuild Kit** is an indispensable upgrade, bridging the gap between standard maintenance and high-performance tuning. Whether you re preparing for a long off-road adventure or simply maintaining your Arctic Cat s peak condition, this kit delivers the precision, quality, and compatibility needed to keep your engine running strong turning heads on the trail with every rev of the throttle.

### **Pros and Cons of Buying a Balls M/N 7X55 Carburetor Rebuild Kit for a 2002 Arctic Cat 400 4x4 FIS Fuel Gu**

The Balls M/N 7X55 rebuild kit is a popular choice for rebuilding the stock carburetor on your Arctic Cat 400 4x4, particularly for the FIS (Fuel Injection System) model with a fuel gauge. Here are the key advantages:

1. **Compatibility and Reliability** The Balls kit is specifically designed for the 7X55 carburetor, which is the standard unit on Arctic Cat engines of this era. It includes all necessary gaskets, seals, and components to restore the carb to factory specifications, ensuring proper function and longevity.

2. **Cost-Effective Alternative to Replacement** Replacing the entire carburetor can be expensive, often costing more than a rebuild. The Balls kit provides a budget-friendly way to restore performance without investing in a new unit.

3. **Performance Restoration** Over time, carburetors can become clogged with dirt, carbon deposits, and old fuel residues. A proper rebuild cleans and replaces worn parts, improving throttle response, fuel efficiency, and overall engine performance.

4. **Preventative Maintenance** Rebuilding the carburetor as part of routine maintenance can prevent future failures, such as hard starting, stalling, or poor fuel economy, which are common issues with aging carburetors.

5. **Ease of Installation** The kit includes clear instructions, and the process is straightforward for someone with basic mechanical skills. No specialized tools are required beyond what most ATV owners already have.

6. **Support for Fuel Gauge Functionality** Since your Arctic Cat has a fuel gauge, ensuring the carburetor is in good working order helps maintain accurate fuel level readings and prevents issues related to fuel system leaks or clogs.

7. **Availability of Parts** Balls is a well-known brand in the ATV and small-engine repair industry, meaning you can easily find replacement parts if needed in the future.

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1. **Time-Consuming Process** Rebuilding a carburetor requires disassembly, cleaning, and reassembly, which can take several hours, especially for a first-time DIYer. This may not be ideal if you need the ATV operational quickly.

2. **Skill Dependency** While not extremely difficult, the process demands attention to detail. Improper reassembly (e.g., incorrect gasket placement, improper jet installation, or over-tightening) can lead to leaks, poor performance, or even damage to the carburetor.

3. **Quality of Components** While generally reliable, some users report that aftermarket rebuild kits may not match the durability of OEM parts over extremely long-term use. However, this is less of an issue for occasional use.

4. **Potential for Contamination** If the carburetor is heavily fouled with carbon or old fuel, thorough cleaning is essential. Skipping this step can lead to premature wear of new parts in the kit.

5. **Limited Customization** The Balls kit is designed for stock performance. If you plan to modify the carburetor (e.g., for higher performance), you may need to source additional parts or adjust jets separately.

6. **Fuel System Considerations** If your ATV has other fuel system issues (e.g., a clogged fuel filter, faulty fuel pump, or contaminated fuel), rebuilding the carburetor alone may not fully resolve performance problems. A complete fuel system check is recommended.

7. **Warranty Concerns** If your Arctic Cat is still under warranty (unlikely for a 2002 model), a DIY carburetor rebuild could void coverage if not done correctly. However, most ATVs of this age are out of warranty.

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The Balls M/N 7X55 carburetor rebuild kit is a **strong, cost-effective solution** for restoring your 2002 Arctic Cat 400 4x4 s carburetor to optimal condition. It offers reliability, compatibility, and performance benefits while being far cheaper than a full replacement. However, it requires patience, careful execution, and an understanding of basic carburetor mechanics.

If you re comfortable with disassembly and reassembly tasks and have the time to dedicate to the project, this kit is an excellent choice. For those less experienced, consulting a mechanic or watching detailed rebuild guides (e.g., from Balls or Arctic Cat forums) can help ensure success.

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

- You re willing to invest time in a thorough rebuild.

- Your ATV s fuel system is otherwise in good condition.

- You follow the instructions carefully and clean the carburetor properly.

- You re unsure about your mechanical skills and prefer professional help.

- Your ATV has other fuel system issues (e.g., a failing fuel pump) that need addressing.

- You re looking for performance upgrades beyond stock specs (in which case, a high-performance carburetor kit may be better).

**Final Verdict:** For most owners of a 2002 Arctic Cat 400 4x4, the Balls 7X55 rebuild kit is a **highly recommended** and practical choice for maintaining or restoring carburetor function. Pair it with a fuel system flush and new fuel filter for best results.

Details:

All Balls Carburetor Rebuild Kit for 2002 Arctic Cat 400 4X4 FIS - Fuel gu: Status: In Stock.

part #: mn7x55 price

• $52.75

specifications carbthrotatv:

• for models: Fis, 400, 4x4
• for makes: Arctic, Arctic-cat
• for years: 2002
• brand: Balls
• mpn: Mn/7x55
• type: Carburetor Rebuild Kits
• compatible make: Arctic Cat
• compatible model: 400 4x4 Fis
• bundle description: 1 Pc Genuine All Balls Carburetor Rebuild Kits
• core charge: Free No Core Charge
• fitment type: Direct Replacement

offer carbthrotatv:

• started: April 4, 2026
• sold: 0
• availability: In Stock
• options: Ship-to-home
• quantity: 1

seller carbthrotatv:

• # reviews: 20280
• city: Multiple warehouses
• rating: 99.1%

returns carbthrotatv:

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

shipping carbthrotatv:

• type: Fixed
• transit: 3-6 Days
• class: Standard
• service: Standard
• cost: $0.00

general carbthrotatv:

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

payments carbthrotatv:

• other
• wallet: Apple-pay
• credit card: Mastercard

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