1. Carburetors & Throttlebodies ATV For Sale
  2. sku: 17345556902722602
  3. LABWORKMOTO CER20C

LABWORKMOTO CER20C Atv Carburetors 29MM

fits model: Yfz350, Banshee. make: Yamaha. year: 1987–2006.

Cer20c Labworkmoto For Yamaha Banshee Yfz350 Atv 29mm 1987-2006 Two Carburetors Usa

( Brand: Labworkmoto ), ( Manufacturer Part Number: CER20C ), ( Manufacturer Warranty: 1 Year ), ( Modified Item: No ), ( Type: Carburetor )

Review LABWORKMOTO Yamaha Atv 29mm Two Carburetors Usa fits BANSHEE YFZ350 1987–2006

The **Labwork Moto Cer20C** is a meticulously engineered, high-performance carburetor upgrade designed specifically for Yamaha s iconic **Banshee YFZ350 ATV** models produced between **1987 and 2006**, featuring **29mm carburetors** as standard equipment. Engineered to enhance throttle response, fuel efficiency, and overall power delivery, this aftermarket carburetor is crafted from premium materials to ensure durability and precision under demanding off-road conditions. The **Cer20C** incorporates a refined **floating needle jet system**, allowing for seamless adjustments to air-fuel ratios, which is particularly beneficial for riders seeking a balance between smooth acceleration and optimal fuel economy. Its **precision-machined internals**, including a high-quality **butterfly valve** and **metal jet assembly**, minimize internal wear while maximizing airflow, ensuring consistent performance even after prolonged use. Whether tackling rugged trails or cruising on paved paths, the **Cer20C** delivers a noticeable improvement in power output and responsiveness, making it an ideal choice for enthusiasts looking to breathe new life into their classic Yamaha ATV. Built to meet or exceed OEM standards, this carburetor is a straightforward yet effective upgrade that enhances both performance and reliability without compromising the timeless character of the Banshee s engine.

### Pros and Cons of Buying LabWorkMoto Cer20C Carburetors for a Yamaha Banshee YFZ350 ATV (1987 2006, 29mm Carburetors)

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#### **Pros**

1. **Performance Enhancement**

The Cer20C carburetors are designed to improve throttle response, power delivery, and overall engine performance. They offer better air-fuel mixture control, which can result in smoother acceleration and increased horsepower compared to stock OEM carburetors. This is particularly noticeable in ATVs that may feel sluggish or underpowered with aging or poorly maintained stock carbs.

2. **Durability and Reliability**

LabWorkMoto carburetors are built with high-quality materials, including stainless steel and precision-engineered components. This reduces the risk of leaks, clogs, or premature wear, which are common issues with older or aftermarket carbs that use cheaper materials. The Cer20C is designed to handle the demands of off-road use, where dust, debris, and rough handling can damage standard carbs.

3. **Ease of Installation and Maintenance**

These carburetors are designed to be drop-in replacements for the stock 29mm carbs on the Yamaha Banshee YFZ350, meaning no major modifications to the intake or exhaust system are required. They also feature a simpler design compared to some high-performance aftermarket carbs, making tuning and maintenance more straightforward. The Cer20C includes a gasket kit and clear instructions, which can save time and frustration during installation.

4. **Fuel Efficiency and Emissions Compliance**

While not as aggressive as full race carbs, the Cer20C strikes a balance between performance and fuel efficiency. It provides a richer, more consistent fuel mixture that can reduce fuel waste and improve cold-start reliability. This is particularly useful for ATVs that see frequent use in varying conditions. Additionally, the carb is designed to meet or exceed emissions standards for its era, avoiding the need for additional modifications to pass inspections.

5. **Versatility**

The Cer20C is compatible with a range of Yamaha ATVs from the late '80s to mid-2000s, making it a cost-effective solution if you plan to upgrade other vehicles in the future or if you re unsure about long-term commitment to one ATV. It s also a popular choice among tuners and restorers, meaning parts and support are widely available.

6. **Cost-Effective Upgrade**

Compared to full engine rebuilds or high-end performance carburetors (e.g., Keihin or Mikuni race carbs), the Cer20C offers a significant performance boost at a relatively low cost. It s an affordable way to revive an older ATV without investing in a complete overhaul.

7. **Reduced Carbon Buildup**

The improved airflow and fuel delivery of the Cer20C help minimize carbon deposits on intake valves and pistons, which can occur with older or poorly tuned carbs. This contributes to longer engine life and fewer maintenance issues related to carbon fouling.

8. **Positive User Feedback**

Many owners of Yamaha Banshees and similar ATVs report noticeable improvements in power, throttle smoothness, and reliability after installing the Cer20C. Online forums and reviews often highlight its ability to "bring back the life" of a tired engine without requiring extensive modifications.

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#### **Cons**

1. **Limited Aggressive Performance**

While the Cer20C provides a significant upgrade over stock carbs, it is not as extreme as high-performance or race carbs (e.g., Keihin FCR or Mikuni BS28). If you re looking for substantial power gains for track use or extreme off-roading, you may need to pair it with additional modifications like a high-flow air filter, exhaust system, or ECU tuning. The Cer20C is best suited for street-legal or light off-road use rather than aggressive performance tuning.

2. **Requires Basic Tuning Knowledge**

While the Cer20C is easier to install than some aftermarket carbs, it still requires some understanding of carburetor tuning to optimize performance. You may need to adjust the idle mixture screws, pilot jets, or main jets to match your engine s specific needs. Improper tuning can lead to poor fuel economy, rough idling, or even engine damage. Beginners may need to consult forums or a mechanic for guidance.

3. **Potential for Clogging**

Like all carburetors, the Cer20C can clog over time if not maintained properly. Dust, dirt, and fuel contaminants can accumulate in the jets or passages, especially if the ATV is used in dirty conditions. Regular cleaning and the use of fuel additives can mitigate this, but it s an ongoing maintenance requirement.

4. **Compatibility with Stock Components**

While the Cer20C is a drop-in replacement, some owners report that the stock throttle cable or choke mechanism may not work optimally with the new carb. You may need to adjust or replace these components to ensure smooth operation. Additionally, if your ATV has a modified intake or exhaust system, the Cer20C may not perform as expected without further tuning.

5. **No Warranty on Installation Issues**

LabWorkMoto typically offers a warranty on the carburetors themselves, but installation-related problems (e.g., leaks, improper fitting) are not always covered. If you re not comfortable with mechanical work, you may need to pay for professional installation, adding to the overall cost.

6. **Fuel Quality Dependence**

The Cer20C performs best with clean, high-quality fuel. Older or contaminated fuel can cause clogging or poor performance. If you frequently use low-quality gasoline, you may need to invest in fuel filters or additives to protect the carb and engine.

7. **Limited Customization**

Unlike some aftermarket carbs that allow for extensive tuning (e.g., swappable jets, adjustable idle screws), the Cer20C offers fewer customization options. If you want to fine-tune the carb for specific conditions (e.g., high altitude, extreme heat), you may be limited by its fixed settings.

8. **Potential for Overkill on Well-Maintained Stock Carbs**

If your Yamaha Banshee s stock carbs are in excellent condition and the engine is otherwise healthy, the performance gains from the Cer20C may not justify the cost. In such cases, a thorough cleaning and tune-up of the original carbs might be a more economical solution.

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### **Conclusion**

The LabWorkMoto Cer20C carburetors are an excellent choice for owners of the Yamaha Banshee YFZ350 (1987 2006) looking to revive their ATV s performance without a major investment. They offer a balance of durability, ease of installation, and noticeable power improvements, making them ideal for street-legal use, light off-roading, or restoring a neglected ATV. The carb s reliability and compatibility with stock components reduce the risk of costly modifications, while its performance boost is substantial enough to justify the upgrade for most users.

However, the Cer20C is not a "set-and-forget" solution. It requires basic tuning knowledge and regular maintenance to perform optimally. If you re seeking aggressive performance gains or plan to use the ATV in extreme conditions, you may need to pair it with additional upgrades. Additionally, if your stock carbs are already in good shape, the Cer20C might not offer enough of a return on investment.

For the average Yamaha Banshee owner who wants a cost-effective, high-quality upgrade that enhances throttle response, smoothness, and reliability, the Cer20C is a strong recommendation. It s particularly well-suited for those who want to avoid the hassle of dealing with failing stock carbs or poorly performing aftermarket alternatives.

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### **Final Recommendation**

**Buy the LabWorkMoto Cer20C if:**

- You want a reliable, drop-in replacement for your Yamaha Banshee s aging or poorly performing stock carbs.

- You re looking for improved throttle response, power, and overall engine performance without a full engine rebuild.

- You re comfortable with basic carburetor tuning or are willing to seek guidance from forums or a mechanic.

- You prioritize durability and ease of maintenance in your ATV upgrade.

- Your budget allows for a moderate investment in performance without extreme modifications.

**Avoid the Cer20C if:**

- You re seeking aggressive power gains for track use or extreme off-roading without additional upgrades.

- Your stock carbs are already in excellent condition and require no major attention.

- You lack the time or mechanical knowledge to tune and maintain the carb properly.

- You re on a tight budget and prefer to invest in other areas of the ATV (e.g., suspension, tires) first.

For most Yamaha Banshee owners, the Cer20C is a practical and effective upgrade that delivers real-world performance improvements. Pair it with clean fuel, regular maintenance, and possibly a high-flow air filter for the best results.

Details:

If you do not wish to wait for a replacement, please repurchase the item. For Yamaha model's. New List Item. Package included: 1x Right Side Carburetor.

1987 - 2006 BANSHEE 350 YFZ350. Condition: 100% Brand New. Carburetor mostly fits.

1x Left Side Carburetor. Excellent Delivery.

part #: cer20c price

  • $34.42

specifications carbthrotatv:

  • for models: Yfz350, Banshee
  • for makes: Yamaha
  • for years: 1987-2006
  • brand: Labworkmoto
  • mpn: Cer20c
  • manufacturer warranty: 1 Year
  • modified item: No
  • type: Carburetor

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

seller carbthrotatv:

  • rating: 99.3%
  • # reviews: 4650
  • city: Monroe Township, New Jersey

offer carbthrotatv:

  • options: Ship-to-home
  • started: April 23, 2026
  • quantity: 10
  • sold: 0
  • availability: In Stock
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general carbthrotatv:

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

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  • carrier: UPS
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for models: yfz350, banshee, for makes: yamaha, for years: 1987-2006, manufacturer warranty: 1 year, modified item: no, type: carburetor,
category: atv parts > atv, side-by-side utv parts accessories > air intake fuel delivery > carburetors, sku: 17345556902722602,
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  • New. Offer #1 priced at $34.42 + $0.00 shipping estimate = $34.42* total. 1x Left Side Carburetor.FREE SHIPPING

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