YAMAHA 4X7-14940-01-00 Carburetor Diaphragm Throttle Slide Valve

( Type: Carburetor ), ( Manufacturer Part Number: 4X7-14940-01-00 ), ( Features: Throttled ), ( Country Of Origin: Japan )

Review YAMAHA 920 Carburetor Diaphragm Throttle Slide Valve fits VIRAGO XV750 XV920 750 1983

Introducing the Yamaha 4x7-14940-01-00 Carburetor Diaphragm Throttle Slide Valve, an essential component for the proper functioning of your Yamaha XV750 Virago or XV920 Ninja 920 motorcycle from the year 1983. This throttle slide valve, specifically designed by Yamaha, plays a significant role in regulating the fuel-air mixture that enters the engine.

The valve is made up of two main parts: the diaphragm and the throttle slide. The diaphragm, a flexible rubber component, separates the intake manifold from the carburetor body. It creates a vacuum that helps draw fuel into the carburetor. This diaphragm is reinforced with a fiberglass core, ensuring durability and resistance to wear and tear.

The throttle slide, the other half of the valve, is a metal component that moves to control the amount of air that enters the engine. It is connected to the diaphragm via a linkage system, allowing the rider to control the throttle through the twist grip on the handlebars.

This particular Yamaha carburetor throttle slide valve is a direct replacement for the original part on the 1983 XV750 Virago and XV920 Ninja 920. It comes with an O-ring seal, ensuring a tight fit and preventing any fuel leaks. Additionally, it comes with detailed installation instructions to make the replacement process as smooth as possible.

Using a high-quality replacement carburetor throttle slide valve like this one ensures optimal engine performance. It can improve fuel efficiency, reduce emissions, and provide a smoother riding experience. With its durable design and precise fit, this Yamaha 4x7-14940-01-00 Carburetor Diaphragm Throttle Slide Valve is an investment in the longevity and enjoyment of your motorcycle.

Pros and Cons of Buying a Yamaha XV750 Virago 750/XV920 920 Carburetor Throttle Slide Valve

The Yamaha XV750 Virago 750 and XV920 920 are popular motorcycles known for their reliability and unique style. The carburetor throttle slide valve is an essential component of these bikes' fuel delivery system. In this article, we will discuss the pros and cons of buying a new Yamaha 4x7-14940-01-00 throttle slide valve for these motorcycles.

1. Improved engine performance: A new throttle slide valve can lead to better engine performance, as it ensures the proper mixture of air and fuel.

2. Smoother idling and acceleration: A worn-out throttle slide valve can cause rough idling and hesitation during acceleration. A new valve can address these issues and provide a smoother riding experience.

3. Increased fuel efficiency: A well-functioning carburetor, including the throttle slide valve, can lead to improved fuel efficiency.

4. Cost-effective solution: Compared to other engine upgrades or repairs, replacing a throttle slide valve is a relatively cost-effective solution for enhancing the performance and reliability of your motorcycle.

1. Requires disassembly of the carburetor: Installing a new throttle slide valve involves removing the old one, which requires disassembling the carburetor. This process can be time-consuming and may require specialized tools.

2. Potential for error: Improper installation of the new throttle slide valve can lead to incorrect fuel mixture and engine performance issues.

3. Cost: While a new throttle slide valve is a cost-effective solution compared to other upgrades or repairs, it still requires an investment, especially when factoring in the cost of tools and labor if you choose not to install it yourself.

In conclusion, a new Yamaha 4x7-14940-01-00 throttle slide valve for the XV750 Virago 750 and XV920 920 can provide significant improvements in engine performance, idling, acceleration, and fuel efficiency. However, it comes with the cons of requiring carburetor disassembly, potential for error during installation, and an associated cost.

If you are experiencing issues with your motorcycle's engine performance, rough idling, or hesitation during acceleration, and you suspect the throttle slide valve may be the culprit, it is worth considering a new one. Weigh the pros and cons, as well as the cost, and decide if it is a worthwhile investment for your specific situation. If you are not comfortable with the installation process, consider hiring a professional mechanic to ensure proper installation and optimal engine performance.

part # 4x7149400100 prices

• $21.08-$59.00

specifications iodacarb:

• for models: Xv750, Xv920, 750, Virago
• for makes: Yamaha
• for years: 1983
• type: Carburetor
• manufacturer part number: 4X7-14940-01-00
• features: Throttled
• country of origin: Japan

general iodacarb:

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

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• policy: No Returns

seller iodacarb:

• rating: 99.2%
• # reviews: 260

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• cost: $0.00
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• class: Standard, Expedited
• transit: 4-9 Days
• type: Fixed

offer iodacarb:

• started: May 25, 2026
• options: Ship-to-home
• availability: In Stock
• sold: 0
• quantity: 1

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