YAMAHA 3R4-14101-00-00 Carburetor Carb Mikuni

( Type: Carburetor ), ( Manufacturer Part Number: 3R4-14101-00-00 ), ( Country Of Origin: Japan )

Review YAMAHA Carburetor Carb Mikuni Oem 3r4 fits YZ250 1980

Introducing the Yamaha 3R4-14101-00-00 Carburetor, a high-performance component designed for the 1980 Yamaha YZ250 motorcycle. This carburetor is a replacement part for the original Mikuni 3R4 carburetor and is engineered to deliver optimal fuel-air mixture for enhanced power and efficiency.

The 3R4-14101-00-00 Carburetor features a 38mm throttle body that ensures smooth throttle response and improved engine performance. The Mikuni VM38 carburetor body is renowned for its precision-engineered design, which includes an advanced sliding pilot jet system. This system allows for fine-tuning of the fuel-air mixture, enabling the engine to run leaner for increased power or richer for improved low-end torque, depending on rider preferences.

The carburetor's float bowl design offers generous fuel capacity for consistent fuel supply, while its easy-to-remove float bowl gasket simplifies maintenance procedures. The carburetor also includes an adjustable main jet and needle jet, enabling riders to fine-tune the fuel-air mixture according to their specific riding conditions and altitude.

Additionally, the 3R4-14101-00-00 Carburetor includes a high-quality O-ring kit and gaskets for a perfect seal and improved performance. The kit also comes with a detailed instructions manual to help facilitate a seamless installation process.

This Yamaha replacement carburetor is manufactured to the highest standards, ensuring reliable and consistent performance. Suitable for off-road use only, it is an excellent choice for riders seeking to enhance the power and efficiency of their 1980 Yamaha YZ250 motorcycle.

Pros and Cons of Buying a Yamaha YZ250 Carburetor (Mikuni 3R4)

The Mikuni 3R4 carburetor is a popular aftermarket upgrade for Yamaha YZ250 motorcycles. This carburetor offers several benefits and drawbacks. Let's discuss these aspects to help you make an informed decision.

1. Improved Performance: The Mikuni 3R4 carburetor is known for its ability to provide better fuel mixture and, consequently, improved engine performance. It offers finer fuel metering and more consistent power delivery.

2. Easy Installation: This carburetor is relatively simple to install, especially if you're replacing an OEM carburetor. The process usually involves removing the old carburetor, preparing the engine, and installing the new Mikuni 3R4.

3. Adjustability: The Mikuni 3R4 carburetor offers more adjustability, enabling riders to fine-tune the fuel mixture according to their riding conditions and preferences. This flexibility can lead to better engine response and overall improved riding experience.

4. High-Quality Construction: Mikuni carburetors are known for their durability and high-quality construction. The 3R4 model is no exception, featuring a robust design that can withstand the rigors of off-road riding.

1. Learning Curve: Setting up the Mikuni 3R4 carburetor for optimal performance requires some level of expertise. You'll need to understand the basics of jetting, needle positioning, and air/fuel mixture ratios.

2. Cost: The Mikuni 3R4 carburetor is generally more expensive than the OEM carburetor that comes with the Yamaha YZ250. However, the performance benefits may justify the additional cost for some riders.

3. Maintenance: Like any other carburetor, the Mikuni 3R4 requires regular maintenance. This includes cleaning the float bowls, adjusting the needle and jet settings, and checking the air filter.

The Mikuni 3R4 carburetor is an excellent upgrade for Yamaha YZ250 motorcycles, offering improved performance, adjustability, and high-quality construction. However, it comes with a learning curve, additional cost, and increased maintenance requirements. Considering these factors, if you're looking for improved engine performance and are willing to invest the time and resources to learn and maintain the carburetor, the Mikuni 3R4 is a worthwhile investment.

If you're an experienced rider looking to get the most out of your Yamaha YZ250, the Mikuni 3R4 carburetor is an excellent choice. It offers improved performance, adjustability, and high-quality construction that can significantly enhance your riding experience. However, it's essential to be prepared for the learning curve and increased maintenance requirements. If you're new to motorcycle maintenance or aren't comfortable with carburetor tuning, you might want to consider other options or seek professional help.

part # 3r4141010000 price

• $89.99

specifications iodacarb:

• for models: Yz250
• for makes: Yamaha
• for years: 1980
• type: Carburetor
• manufacturer part number: 3R4-14101-00-00
• country of origin: Japan

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• cost: $0.00
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• type: Fixed
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offer iodacarb:

• availability: In Stock
• options: Ship-to-home
• started: February 19, 2026
• quantity: 1
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• # reviews: 1028

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general iodacarb:

• Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Carburetors
• condition: Used

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