1. Carburetors & Throttlebodies ATV For Sale
  2. sku: 16987998934092663
  3. PARTRA PT462A

PARTRA PT462A Go Kart Carburetor 50CC 70CC 90CC 110CC 125CC 135CC

fits model: Pz, Quad, Taotao. make: Sunl, Taotao.

Pt462a Partra For 50cc 70cc 90cc 110cc 125cc 135cc Pz Quad Go Kart Sunl Taotao Carburetor Usa

( Brand: Partra ), ( Manufacturer Part Number: PT462A ), ( Manufacturer Warranty: 1 Year ), ( Modified Item: No ), ( Type: Carburetor )

Review PARTRA 50cc 70cc 90cc 110cc 125cc 135cc Go Kart Sunl Carburetor Usa fits QUAD TAOTAO PZ

The **Partra PT462A** is a high-performance, precision-engineered carburetor designed specifically for a wide range of **50cc to 135cc** air-cooled and liquid-cooled **quad bikes, go-karts, and off-road motorcycles**, including popular models from brands like **Sunl, Taotao, PZ, and other Chinese and international manufacturers**. This versatile carburetor is crafted to deliver optimal fuel delivery, ensuring smooth throttle response, improved power output, and enhanced reliability across various engine displacements, from compact 50cc scooters to more robust 135cc off-roaders. Built with a **durable brass body and high-quality stainless steel components**, the PT462A is engineered to withstand the demands of high-RPM applications while maintaining precise fuel-air mixture control. Its **adjustable throttle slide and needle jet system** allows for fine-tuning of performance, whether you're seeking maximum acceleration, better fuel efficiency, or a balanced mix of both. The carburetor features a **sealed gasket and O-ring assembly** to prevent leaks and ensure a tight fit, making it ideal for both stock replacements and aftermarket tuning projects. Whether you're modifying a **50cc go-kart for track racing, upgrading a 90cc PZ quad for trail riding, or optimizing a 125cc Taotao off-roader for aggressive off-road use**, the PT462A provides the flexibility to tailor fuel delivery to your engine s specific needs. Its **compatibility with a broad spectrum of engines** including those with different displacement ranges makes it a go-to choice for mechanics, tuners, and enthusiasts looking to enhance performance without compromising durability. With its **robust construction, easy installation, and adaptability**, the Partra PT462A is not just a replacement part but a performance upgrade that can transform the way your engine responds, making it an essential component for anyone serious about optimizing their two-wheeled or four-wheeled powerhouse.

### **Pros and Cons of Buying a Partra PT462A Carburetor for Various Engine Sizes (50cc 135cc)**

The **Partra PT462A** is a popular carburetor used in go-karts, quads, and small engines, particularly in Asian-made models. Below is a detailed breakdown of its advantages and disadvantages across different engine displacements, followed by a conclusion and recommendation.

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### **General Overview of the PT462A**

The **PT462A** is a **piston-type carburetor** designed for **air-cooled, two-stroke engines** (common in go-karts, quads, and small ATVs). It is widely used in brands like **PZ Quad, Sunl, Taotao, and others** due to its reliability and adjustability. It typically supports engines ranging from **50cc to 135cc**, though performance varies based on tuning and engine condition.

---

### **Pros of the PT462A**

#### **1. Wide Engine Compatibility (50cc 135cc)**

- Works well across a **broad range of displacements**, making it a versatile choice for go-karts, quads, and small ATVs.

- Commonly used in **PZ Quad (50cc 125cc), Sunl (70cc 110cc), Taotao (90cc 135cc), and other Asian brands**.

- Easily adjustable for **throttle response, idle, and power delivery** via the **mixture screw, pilot jet, and main jet**.

#### **2. Reliable and Durable Construction**

- Made from **metal (aluminum or steel)**, ensuring **long-lasting performance** if properly maintained.

- **Piston-type design** (unlike float-type carbs) is **less prone to clogging** from fuel debris, making it ideal for **dirt and dust-heavy environments** (common in go-karts and quads).

- **Fewer moving parts** compared to float-type carbs, reducing wear over time.

#### **3. Easy to Tune and Maintain**

- **Simple adjustment system** (mixture screw, pilot jet, main jet) allows for **fine-tuning of power, throttle response, and fuel efficiency**.

- **No float bowl to leak or overflow**, reducing fuel waste and mess.

- **Quick disassembly and cleaning** can be taken apart in minutes for maintenance.

#### **4. Good Power Delivery for Go-Karts & Quads**

- Provides **smooth acceleration** and **consistent power** across the rev range, which is crucial for **racing go-karts** and **off-road quads**.

- Works well with **high-revving engines** (common in 110cc 135cc go-karts) when properly tuned.

- **Less prone to flooding** than some float-type carbs, making it better for **aggressive throttle use**.

#### **5. Affordable and Widely Available**

- **Lower cost** compared to high-end carburetors (e.g., Walbro, Mikuni).

- **Easy to find replacement parts** (jets, pistons, seals) due to its popularity.

- **Aftermarket support** many tuners and mechanics are familiar with it.

#### **6. Works Well with Ethanol Blends (Up to 10 20%)**

- Unlike some older carburetors, the **PT462A can handle mild ethanol blends** (common in racing fuels) without major modifications.

- **Ethanol-resistant seals** (if using proper parts) help prevent swelling and leaks.

#### **7. Good for Beginners & Intermediate Tuners**

- **Less complex than float-type carbs**, making it easier for **new tuners** to adjust.

- **Clear feedback** on tuning if the engine runs rough, it s usually due to **jet size or mixture screw settings**, not mechanical issues.

---

### **Cons of the PT462A**

#### **1. Limited High-Performance Potential (Without Mods)**

- **Stock performance is decent but not elite** for **maximum power**, some users **upgrade to larger jets, modified pistons, or high-flow versions**.

- **Not as precise as float-type carbs** (e.g., Walbro) for **high-end tuning** (e.g., 135cc go-kart racing).

- **May require additional modifications** (e.g., **larger air filter, exhaust tuning**) to unlock full potential.

#### **2. Sensitive to Fuel Quality**

- **Cheap or contaminated fuel** (water, dirt, old gas) can **clog the piston and jets**, leading to **poor performance or failure**.

- **Requires regular cleaning** (especially in dusty environments like go-kart tracks).

- **Ethanol above 20% can degrade seals** if not using ethanol-compatible parts.

#### **3. Adjustment Can Be Tricky for New Users**

- **Mixture screw and jet sizing** require **some experience** **over-rich or over-lean settings** can cause **poor power, overheating, or flooding**.

- **No built-in choke** (unlike some float-type carbs), so **cold starts may require priming** in some cases.

#### **4. Not Ideal for Very High-Revving Engines (Above 135cc)**

- While it works up to **135cc**, **larger engines (150cc )** may require a **larger carburetor** (e.g., PT463A or PT464A) for sufficient airflow.

- **Powerband may feel limited** compared to **high-flow float-type carbs** in extreme tuning scenarios.

#### **5. Potential for Leaks Over Time**

- **Seals and O-rings** can **wear out**, especially if **ethanol or poor fuel** is used.

- **Piston wear** can occur with **extreme use**, requiring **replacement every 50 100 hours** in racing applications.

- **Requires periodic maintenance** (cleaning, seal replacement) to prevent **fuel leaks and performance drops**.

#### **6. Less Common in High-End Racing (Compared to Float Carbs)**

- **Float-type carbs (e.g., Walbro, Mikuni)** are often preferred in **professional go-kart racing** due to **better precision and power delivery**.

- **PT462A is more common in budget or amateur setups** rather than **high-performance racing**.

#### **7. Limited Aftermarket Support for Extreme Tuning**

- While **jets and pistons are easy to find**, **high-performance upgrades** (e.g., **custom pistons, high-flow versions**) may require **special ordering**.

- **Not as many tuning guides** as for **Walbro or Keihin carbs** in extreme applications.

---

### **Engine-Specific Considerations**

#### **50cc 70cc (Go-Karts, Small Quads)**

**Pros:**

- **Perfect fit** for **budget go-karts and small quads**.

- **Easy to tune** for **smooth power delivery**.

- **Durable enough** for **recreational use**.

**Cons:**

- **May feel underpowered** if stock jets are too restrictive.

- **Requires occasional cleaning** in dusty conditions.

#### **90cc 110cc (Go-Karts, Quads, ATVs)**

**Pros:**

- **Great balance of power and reliability** for **racing go-karts**.

- **Works well with ethanol blends** (common in racing fuels).

- **Adjustable enough** for **different track conditions**.

**Cons:**

- **May need larger jets** for **maximum power** in competitive racing.

- **Piston wear** can become an issue if **not maintained properly**.

#### **125cc 135cc (High-Performance Go-Karts, Quads)**

**Pros:**

- **Still reliable** for **125cc 135cc engines**, especially in **budget racing**.

- **Better than stock float carbs** in many cases for **durability**.

- **Easy to modify** for **better power response**.

**Cons:**

- **May struggle with very high-revving engines** (e.g., **135cc with aggressive tuning**).

- **Requires more frequent maintenance** (seal/piston checks).

- **Not as precise as float carbs** for **fine-tuned racing setups**.

---

### **Conclusion & Recommendation**

#### **Best For:**

**Budget go-karts (50cc 110cc)** A **great all-around carburetor** that balances **cost, reliability, and adjustability**.

**Recreational quads & ATVs (70cc 125cc)** **Durable, easy to maintain, and works well with mild ethanol blends**.

**Amateur racers (90cc 135cc)** **Better than stock float carbs** in many cases, though **not as high-performance as Walbro/Mikuni**.

**Users who prefer piston-type carbs** If you **dislike float-type carbs**, the **PT462A is a solid alternative**.

#### **Not Ideal For:**

**High-end professional racing (125cc )** **Float-type carbs (Wal

Details:

Color: As pictured. Condition: Brand New and high quality. Intake Mount Diameter: 20mm. TaoTao, Buying, Cool sport, Liven, Kama, SUNL, Honda, Redact, Eagle.

Material: Alloy. Model: for PZ20 Carb. Air Filter Mount Diameter: 32mm. Bolting Hole Distance: 48mm.

part #: pt462a price

  • $16.70

specifications carbthrotatv:

  • for models: Pz, Quad, Taotao
  • for makes: Sunl, Taotao
  • brand: Partra
  • mpn: Pt462a
  • manufacturer warranty: 1 Year
  • modified item: No
  • type: Carburetor

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offer carbthrotatv:

  • availability: In Stock
  • best offers: True
  • started: March 20, 2026
  • quantity: 5
  • options: Ship-to-home
  • sold: 0

shipping carbthrotatv:

  • carrier: UPS
  • class: Standard, Expedited
  • cost: $0.00
  • service: Standard, UPS 2nd Day Air
  • transit: 4-8 Days
  • type: Fixed

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

general carbthrotatv:

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

seller carbthrotatv:

  • city: Monroe Township, New Jersey
  • # reviews: 4521
  • rating: 99.4%
for models: pz, quad, taotao, for makes: sunl, taotao, 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: 16987998934092663,
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