1. Carburetors & Throttlebodies ATV For Sale
  2. sku: 17012750183694633
  3. MOTORSHOP 77USA

MOTORSHOP 77USA Carburetor Sport 336854498725 2-STROKE 400L

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

77usa Motorshop 336854498725 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: 336854498725 )

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

The **Motorshop 77USA 336854498725 2-Stroke Carburetor** is a high-performance, direct-fit replacement designed specifically for Polaris ATV enthusiasts seeking to restore or upgrade the fuel delivery system on their **1994 1999 400L Scrambler** and **1998 1999 Polaris Sport 400** models. Engineered to meet the exact specifications of these iconic two-stroke powerhouses, this carburetor ensures precise fuel-air mixture control, delivering optimal throttle response, power output, and reliability. Crafted from durable materials, it features a robust body with precision-machined internals, including a high-quality jet system and a reliable needle-and-seat assembly, which work in tandem to maintain consistent performance under varying riding conditions. Whether you're tackling rough terrain on the Scrambler or cruising on the Sport 400, this carburetor is built to handle the demands of aggressive riding while minimizing fuel waste and emissions. Its compatibility with modern fuel blends ensures smooth operation, reducing the risk of clogging or performance degradation over time. For riders who demand dependability and performance, this carburetor is an essential component for maintaining the raw, exhilarating power that defines Polaris legendary two-stroke engines. Proper installation, along with regular maintenance, will help preserve its longevity and keep your ATV running at peak efficiency.

### Pros and Cons of buying a Motoshop 77USA 336854498725 2-Stroke Carburetor for a Polaris Sport 400 (1998-1999) and Scrambler (1994-1999 400L)

#### **Pros:**

1. **Compatibility** This carburetor is specifically listed for your model years, ensuring it fits without modification. The Polaris Sport 400 and 400L Scrambler share many components, so this carb should work for both.

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

3. **Reliability of Brand** Motoshop 77USA is a reputable supplier for aftermarket parts, often carrying OEM-quality or high-reliability replacements. Their listings typically include genuine or high-quality alternatives.

4. **Cost-Effective Replacement** If the original carburetor is failing, replacing it with this unit can be cheaper than buying a full engine rebuild kit or a used engine.

5. **Ease of Installation** Since it s a direct replacement, installation should be straightforward for someone with basic mechanical skills. No major modifications to the engine or fuel system are required.

6. **Availability of Parts** Having a compatible carburetor ensures you can easily source gaskets, jets, or other small parts if needed in the future.

7. **Potential for Tuning** If you plan to modify your bike further (e.g., upgrading the exhaust or using a different fuel mix), this carburetor provides a solid foundation for tuning.

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#### **Cons:**

1. **Age of the Model** Both the Polaris Sport 400 and Scrambler are older models (late '90s). Finding a perfect fit or troubleshooting issues may require digging through older manuals or forums, as modern resources may be limited.

2. **Potential for Wear or Damage** Like any used or aftermarket part, there s a chance the carburetor could be worn internally, have leaks, or require cleaning/jetting adjustments upon installation. Inspecting it closely before purchase is crucial.

3. **Fuel System Compatibility** Older 2-stroke engines (especially Polaris models) often require specific fuel mixes (e.g., 2-cycle oil to gas ratios). If you re not using the correct mix, the carburetor (or engine) may suffer from fouling or poor performance.

4. **Limited Aftermarket Support** Unlike newer bikes, finding specialized tools (e.g., carburetor cleaning kits, jetting guides) for this model may be harder. You might need to rely on generic 2-stroke carburetor maintenance techniques.

5. **Risk of Counterfeit or Low-Quality Parts** While Motoshop 77USA is generally trustworthy, there s always a slight risk of receiving a counterfeit or subpar replacement if the listing isn t verified. Checking reviews or seller ratings can help mitigate this.

6. **Potential for Additional Modifications** If the carburetor doesn t perform as expected out of the box, you may need to adjust jets, idle screws, or even replace the piston/cylinder if the engine is worn. This adds labor and cost.

7. **Environmental and Legal Considerations** Older 2-stroke engines are less fuel-efficient and produce more emissions than modern 4-strokes. If you ride in areas with strict emissions laws, you may face restrictions or need to modify the bike further (e.g., adding a catalytic converter, which is impractical for these models).

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### **Conclusion:**

Buying this Motoshop 77USA carburetor for your Polaris Sport 400 or Scrambler is a **practical and cost-effective solution** if your original carburetor is failing or underperforming. The direct compatibility, ease of installation, and potential performance gains make it a strong choice for riders looking to restore or upgrade their bike. However, the age of the models means you ll need to be prepared for potential challenges, such as limited parts availability, fuel system quirks, and the possibility of needing additional tuning.

If you re comfortable with basic maintenance and have access to resources for 2-stroke engines, this carburetor is a solid investment. For those less experienced, it may be worth consulting a mechanic familiar with Polaris 2-stroke models to ensure proper installation and jetting.

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### **Recommendation:**

1. **Verify the Carburetor s Condition** If possible, request photos or a video of the carburetor to check for visible wear, leaks, or damage. Ask the seller about its history (e.g., whether it s been cleaned or rebuilt).

2. **Check for Compatibility** Double-check that the carburetor number (336854498725) matches your exact model year and engine variant. Some Polaris 400 models had slight carburetor differences.

3. **Prepare for Maintenance** Clean the carburetor thoroughly before installation, and consider having a mechanic inspect the engine s piston, cylinder, and fuel system to ensure everything is in good working order.

4. **Use the Correct Fuel Mix** Follow Polaris recommended fuel ratio (typically 50:1 for 2-cycle oil) to avoid damaging the carburetor or engine.

5. **Test and Adjust** After installation, take the bike for a test ride and monitor performance. You may need to adjust the idle screw or jets for optimal throttle response and fuel economy.

6. **Consider a Full Rebuild Kit if Needed** If the engine is heavily worn, pairing this carburetor with a rebuild kit (piston, rings, cylinder) could extend the life of your bike significantly.

7. **Explore Alternatives** If you re open to more extensive modifications, look into aftermarket carburetors (e.g., Walbro, Keihin) or even converting to a 4-stroke engine if you re willing to invest more time and money.

Ultimately, this carburetor is a **good choice for a straightforward replacement**, but success depends on your preparation and willingness to troubleshoot. For best results, combine it with proper maintenance and fuel practices.

Details:

3.The carburetor is highly durable and has a long service life. 2-Stroke Carburetor For Polaris Sport 400 400L Scrambler Big Boss. Compatible For 2-Stroke ATV. Material:Metal.

Package Included. 2-Stroke Carburetor For Polaris Sport 400 1998 1999 400L 1994 1999 Scrambler. Color:As the Pictures Shown. 1.Made of sturdy, premium materials, this enhances durability and superior reliability with improved throttle response for better engine performance.

1.Please compare the details before you purchase. Note: ONLY FOR TWO STROKE. 2.Due to the lighting and screen settings, real color may slightly different from picture. Condition: 100% Brand New.

It can ensure your safety when using it. 2.Carburetor will effectively solve the problem of oil leakage, start-up difficulty, inability to accelerate, black smoke from exhaust pipe. Please do match the carburetor structure and sizes before purchasing.

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: 336854498725

offer carbthrotatv:

  • availability: In Stock
  • quantity: 3
  • options: Ship-to-home
  • best offers: True
  • sold: 0
  • started: March 23, 2026

returns carbthrotatv:

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

seller carbthrotatv:

  • # reviews: 66
  • rating: 100.0%
  • city: Glendora, California

general carbthrotatv:

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

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shipping carbthrotatv:

  • service: Standard
  • type: Fixed
  • cost: $0.00
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  • transit: 3-8 Days
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: 17012750183694633,
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