1. Carburetors & Throttlebodies ATV For Sale
  2. sku: 17628537671679793
  3. MOTORSHOP 77USA

MOTORSHOP 77USA Carburetor Sport 550727607957 2-STROKE 400L

fits model: 400, Scrambler. make: Polaris. year: 1994–1999.

77usa Motorshop 550727607957 2-stroke Carburetor For Polaris Sport 400 1998-1999 400l 1994-1999 Scrambler

( Brand: Motorshop 77usa ), ( Manufacturer Warranty: 90 Day ), ( Material: Metal ), ( Package Included: 1 Pc Carburetor And Kits ), ( Type: Carburetor ), ( UPC: 550727607957 )

Review MOTORSHOP 77USA 2-stroke Carburetor Polaris Sport fits SCRAMBLER 400 1994–1999

The **Motorshop 77USA 550727607957 OEM 2-Stroke Carburetor** is a precision-engineered replacement part designed specifically for Polaris ATV models, ensuring optimal performance and reliability for both the **Polaris Sport 400 (1998 1999)** and the **400L Scrambler (1994 1999)**. Crafted to exact factory specifications, this high-quality carburetor features a robust, durable construction that maintains the original power delivery and throttle response expected from these iconic off-road machines. Built with a **metal body and precision-machined components**, it guarantees smooth operation, minimal fuel waste, and consistent ignition, allowing riders to maximize their ATV s potential whether tackling rugged trails, navigating tight scrambles, or cruising through open terrain. The carburetor s **adjustable throttle stop and idle mixture screws** enable fine-tuning for optimal performance, whether you re running stock or aftermarket fuel systems. Compatible with both **lead-free and leaded fuels**, this carburetor is built to endure the demands of frequent use, ensuring longevity and dependability in even the harshest conditions. Whether restoring an older model or replacing a worn-out original, this **direct-fit OEM replacement** eliminates the guesswork, delivering the same performance as the factory unit while reducing the risk of compatibility issues. Perfect for mechanics, DIY enthusiasts, and riders who demand nothing less than genuine quality, this carburetor is a must-have for maintaining the power and responsiveness of your Polaris 400 series ATV.

### Pros and Cons of buying a Motoshop 77USA 550727607957 2-Stroke Carburetor for Polaris Sport 400 (1998 1999) and Scrambler (1994 1999)

#### **Pros:**

1. **Compatibility** This carburetor is specifically listed for your model years (Polaris Sport 400 1998 1999 and Scrambler 1994 1999), ensuring a direct fit without major modifications.

2. **Performance Potential** A well-maintained or upgraded carburetor can improve throttle response, fuel efficiency, and overall engine performance, especially if the original unit was worn or clogged.

3. **Cost-Effective Replacement** Compared to full engine rebuilds or buying a used bike, replacing just the carburetor is a budget-friendly way to restore power and reliability.

4. **Ease of Installation** As a standalone component, it can be installed by someone with basic mechanical skills, though carburetor tuning may require experience.

5. **Availability of Parts** Since it s a common Polaris carburetor, you ll likely find replacement jets, gaskets, and cleaning supplies if needed.

6. **Potential for Tuning** If you re familiar with carburetor adjustments, you can fine-tune the mixture for better performance or fuel economy.

#### **Cons:**

1. **Age and Wear** Even if new, 2-stroke carburetors can be finicky due to their design. If the bike has high mileage, the rest of the engine (piston, crankshaft, etc.) may need attention alongside the carb.

2. **Learning Curve** Carburetor tuning requires understanding idle speed, jet sizing, and fuel-air mixture. Incorrect adjustments can lead to poor performance, stalling, or even engine damage.

3. **Potential for Contamination** If the carburetor was stored improperly or exposed to moisture, it may need cleaning or reassembly before installation.

4. **Depreciation Risk** If the bike is older and not a collector s item, the cost of the carburetor may not justify the long-term value of the vehicle.

5. **Alternative Solutions** For modern performance, some riders opt for fuel injection conversions, which can be more reliable but costlier upfront.

6. **Warranty Limitations** If purchased from a third-party seller, the carburetor may not come with a manufacturer s warranty, leaving you responsible for defects.

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### **Conclusion**

Buying this carburetor is a practical choice if your Polaris Sport 400 or Scrambler is experiencing carburetor-related issues (poor idle, rough running, loss of power). It s a cost-effective way to restore performance, especially if you re comfortable with basic tuning. However, if you lack mechanical experience or the bike has significant engine wear, the project may require additional investment in labor or parts.

For a **reliable recommendation**:

- **Proceed with purchase** if you re confident in your ability to install and tune the carburetor, or if you plan to have a mechanic assist.

- **Consider alternatives** (e.g., a full engine rebuild or fuel injection) if the bike is heavily used or you want long-term reliability without maintenance hassles.

- **Verify the carburetor s condition** upon receipt clean it thoroughly and test-fit before installation to avoid issues.

If you re new to carburetor work, start with basic cleaning and adjustments before attempting major modifications. For best results, pair this replacement with fresh fuel, air filters, and spark plugs.

Details:

Make return Easier. We' re always with you, sincerely thanks not to leave NNF or open a case before receiving our replies, consider working time so maybe we couldn reply you in timely manner. 2-Stroke Carburetor For Polaris Sport 400 1998 1999 400L 1994 1999 Scrambler. Mark Urgent for emergencies.

Color:As the Pictures Shown. Material:Metal. 1.Please compare the details before you purchase. 2.Carburetor will effectively solve the problem of oil leakage, start-up difficulty, inability to accelerate.

3.The carburetor is highly durable and has a long service life. It can ensure your safety when using it. Note: ONLY FOR TWO STROKE. 1.Made of sturdy, premium materials, this enhances durability and superior reliability with improved throttle response for better engine performance.

2.Due to the lighting and screen settings, real color may slightly different from picture. Condition: Brand New. Package Included. Compatible For 2-Stroke ATV.

Unresolved issues without prior communication may delay resolution. We ll resolve issues promptly. Please do match the carburetor structure and sizes before purchasing. Compatible For Polaris Sport 400 1998 -1999.

No return request please. 2-Stroke Carburetor For Polaris Sport 400 400L Scrambler Big Boss.

specifications carbthrotatv:

  • for models: 400, Scrambler
  • for makes: Polaris
  • for years: 1994-1999
  • brand: Motorshop 77usa
  • manufacturer warranty: 90 Day
  • material: Metal
  • package included: 1 Pc Carburetor And Kits
  • type: Carburetor
  • upc: 550727607957

seller carbthrotatv:

  • rating: 100.0%
  • # reviews: 71
  • city: Chino, California

shipping carbthrotatv:

  • cost: $0.00
  • type: Fixed
  • class: Standard
  • service: Standard
  • transit: 6-11 Days

offer carbthrotatv:

  • quantity: 10
  • options: Ship-to-home
  • started: May 21, 2026
  • best offers: True
  • sold: 0
  • availability: In Stock

payments carbthrotatv:

  • credit card: Diners-club
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  • wallet: Paypal

general carbthrotatv:

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

returns carbthrotatv:

  • policy: Returns Accepted
  • time: 60 Days
  • paid by: Seller
for models: 400, scrambler, for makes: polaris, for years: 1994-1999, manufacturer warranty: 90 day, package included: 1 pc carburetor and kits, type: carburetor,
category: atv parts > atv, side-by-side utv parts accessories > air intake fuel delivery > carburetors, material: metal, sku: 17628537671679793,
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