1. Carburetors & Throttlebodies ATV For Sale
  2. sku: 17339924696674853
  3. AUTO YICTORY YI23Y

AUTO-YICTORY YI23Y Atv Carburetors 29MM

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

Yi23y Auto-yictory Usa Fit For Yamaha Banshee Yfz350 Atv 29mm 1987-2006 Two Carburetors

( Brand: Auto-yictory ), ( Manufacturer Part Number: YI23Y ), ( Manufacturer Warranty: 1 Year ), ( Modified Item: No ), ( Type: Carburetor )

Review AUTO YICTORY Usa Fit Yamaha Atv 29mm Two Carburetors fits BANSHEE YFZ350 1987–2006

The **Auto-Yictory YI23Y** is a high-performance, precision-engineered aftermarket carburetor upgrade designed exclusively for Yamaha s iconic **Banshee YFZ350 ATV** models produced between **1987 and 2006**, featuring **29mm carburetors** as standard equipment. This meticulously crafted carburetor is engineered to deliver a dramatic enhancement in throttle response, power output, and overall engine efficiency while maintaining the classic reliability and durability that Yamaha enthusiasts expect. Built with a **high-flow, high-performance air-fuel mixture system**, the YI23Y incorporates a **precision-machined bore** and **optimized venturi design**, ensuring a richer, more balanced fuel delivery that eliminates the common issues of lean mixtures, hesitation, or sluggish acceleration found in stock carburetors. The **durable stainless steel construction** and **sealed O-rings** prevent fuel leaks and ensure a tight, vibration-resistant fit, even under aggressive riding conditions. Whether you re tackling rough terrain, hitting the trails at high speeds, or simply seeking a more responsive ride, the YI23Y transforms your Banshee s engine into a more refined, powerhouse performance machine. Backed by **Auto-Yictory s reputation for quality and compatibility**, this carburetor is a straightforward, bolt-on solution that requires minimal tuning, making it an ideal choice for both seasoned mechanics and DIY enthusiasts looking to maximize their ATV s potential without extensive modifications. With its **superior airflow dynamics** and **adjustable throttle response**, the YI23Y isn t just an upgrade it s a game-changer for anyone serious about extracting every ounce of performance from their Yamaha YFZ350.

### Pros and Cons of Buying an Auto-Yictory YI23Y for a Yamaha Banshee YFZ350 (1987 2006) with 29mm Carburetors

#### **Pros:**

1. **Improved Performance** The YI23Y is a high-quality aftermarket air filter designed to enhance airflow compared to stock filters. This can lead to better throttle response, increased horsepower, and a more aggressive power delivery, especially in off-road or high-demand situations.

2. **Durability and Longevity** Made from high-performance materials like cotton and foam with a durable outer casing, the YI23Y is designed to last longer than many stock filters. It resists clogging and maintains efficiency over time with proper maintenance.

3. **Easy Installation** The YI23Y is designed to fit standard ATV carburetor setups, including those on the Yamaha YFZ350. It typically requires minimal modifications, making it a straightforward upgrade for DIY enthusiasts.

4. **Better Airflow Than Paper Filters** Unlike traditional paper filters, which restrict airflow and can clog easily, the YI23Y s cotton and foam construction allows for cleaner, more efficient air intake, reducing the risk of engine fouling.

5. **Compatibility with Mods** If you ve already modified your YFZ350 (e.g., with a bigger carb, exhaust, or camshaft), the YI23Y can complement those changes by ensuring optimal airflow to the engine.

6. **Cost-Effective Upgrade** Compared to full engine rebuilds or major performance mods, the YI23Y is relatively inexpensive, offering a noticeable performance boost without a significant investment.

7. **Reduced Engine Wear** By allowing cleaner airflow, the filter helps prevent carbon buildup on intake valves and pistons, which can extend the life of your engine if maintained properly.

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#### **Cons:**

1. **Requires Maintenance** Unlike paper filters that can be replaced every few thousand miles, the YI23Y needs regular cleaning (every 100 200 hours or as needed) to prevent oil and debris buildup. Neglecting maintenance can lead to reduced performance or even filter failure.

2. **Not a Direct Horsepower Increase** While it improves airflow, the YI23Y alone won t dramatically increase horsepower unless paired with other mods (e.g., carb tuning, exhaust, or camshaft). Expect noticeable but modest gains compared to a full engine rebuild.

3. **Potential for Oil Leaks** If not installed or maintained correctly, the YI23Y can allow oil to seep into the filter housing, leading to oil starvation or clogging. This requires careful sealing and periodic checks.

4. **Incompatibility with Some Stock Setups** While the YI23Y fits most 29mm carbureted YFZ350s, older models (especially those with stock airboxes) may require minor modifications (e.g., removing the stock filter housing gasket or adjusting the airbox) for a proper seal.

5. **Learning Curve for Maintenance** Cleaning the YI23Y involves removing oil residue, which requires proper solvents and techniques. First-time users may struggle with this process until they become familiar with it.

6. **Not a Substitute for Other Mods** If your goal is maximum performance, the YI23Y is just one piece of the puzzle. For significant power gains, you d likely need to pair it with carb tuning, exhaust, or suspension upgrades.

7. **Potential Void on Warranty (If Applicable)** If your YFZ350 is under warranty, installing an aftermarket filter may void certain coverage, depending on the manufacturer s policies.

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### **Conclusion:**

The **Auto-Yictory YI23Y is a solid choice** for Yamaha YFZ350 owners looking to improve airflow, throttle response, and engine longevity without a major overhaul. It s particularly beneficial for riders who spend a lot of time off-road or push their ATVs hard. However, it s not a "set-and-forget" upgrade it demands regular maintenance to perform optimally.

If you re already running mods like a bigger carb or exhaust, the YI23Y will complement those changes well. For stock or lightly modified bikes, it s a worthwhile upgrade for better breathing and cleaner intake. If you re aiming for extreme performance, consider pairing it with other mods for the best results.

---

### **Recommendation:** - **Buy the YI23Y if:**

- You want a simple, effective way to improve airflow and throttle response.

- You re willing to maintain it properly (clean every 100 200 hours).

- You ve already modified your YFZ350 or plan to in the future.

- You ride aggressively or in dusty/off-road conditions where stock filters struggle.

- **Skip it if:**

- You re not comfortable with basic maintenance (cleaning the filter).

- You re on a tight budget and can t afford even a modest performance upgrade.

- Your primary goal is a dramatic horsepower increase (in which case, focus on carb tuning, exhaust, or camshaft upgrades).

- You re unsure about modifying your airbox or carb setup.

**Final Verdict:** For most Yamaha YFZ350 owners, the YI23Y is a **highly recommended upgrade** it s affordable, effective, and relatively easy to install. Just be prepared to clean it regularly and ensure proper installation to avoid issues. If you re serious about performance, treat it as the first step in a broader modding journey.

Details:

Best choice of motor parts. For Yamaha model's. Carburetor mostly fits. New List Item.

1987 - 2006 BANSHEE 350 YFZ350. Condition: 100% Brand New. Auto-yictory.

1x Left Side Carburetor. Package included: 1x Right Side Carburetor.

part #: yi23y price

  • $34.44

specifications carbthrotatv:

  • for models: Yfz350, Banshee
  • for makes: Yamaha
  • for years: 1987-2006
  • brand: Auto-yictory
  • mpn: Yi23y
  • manufacturer warranty: 1 Year
  • modified item: No
  • type: Carburetor

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seller carbthrotatv:

  • rating: 99.1%
  • city: Monroe Township, New Jersey
  • # reviews: 2783

general carbthrotatv:

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

shipping carbthrotatv:

  • service: Standard, UPS 2nd Day Air
  • cost: $0.00
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  • carrier: UPS
  • class: Standard, Expedited
  • type: Fixed

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offer carbthrotatv:

  • started: April 23, 2026
  • best offers: True
  • availability: In Stock
  • sold: 0
  • quantity: 10
  • options: Ship-to-home
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: 17339924696674853,
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  • New. Offer #1 priced at $34.44 + $0.00 shipping estimate = $34.44* total. 1x Left Side Carburetor.FREE SHIPPING

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