KEIHIN VD51A Carburetor Carb V45

( Brand: Keihin ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Manufacturer Part Number: VD51A )

Review KEIHIN Honda Vf V45 Carburetor Carb Oem Part fits MAGNA VF750 750

The Keihin VD51A carburetor is a premium fuel-delivery system designed specifically for Honda VF750 and VF750 Magna motorcycles. This carburetor, part number VD51A, is a vital component of the vehicle's engine system, responsible for supplying the engine with an optimal air-fuel mixture for efficient combustion.

The VD51A carburetor is a constant-venturi, downdraft design. This means that the venturi, the narrow part of the carburetor through which air flows, is always in a constant shape. The downdraft design refers to the intake ports being located below the venturi, leading to better atomization of the fuel and more even distribution of the air-fuel mixture into the engine cylinders.

The carburetor features a 32mm throttle body with a built-in throttle position sensor (TPS). This sensor allows the motorcycle's fuel injection system to work in conjunction with the carburetor, providing smoother engine response and improved fuel efficiency. Additionally, the VD51A comes with an O-ring intake manifold gasket, ensuring a tight seal between the carburetor and the engine.

The carburetor body is made from durable, corrosion-resistant materials, ensuring long-lasting performance. The float bowls are equipped with an anti-drainback system, preventing fuel from flowing back into the bowls when the engine is off, which can lead to flooding and starting issues.

The Keihin VD51A carburetor also comes with adjustable idle mixture and main jet screws, allowing you to fine-tune the engine's idle settings for optimal performance and fuel efficiency. The needle jet and emulsion tube are also adjustable, providing more extensive tuning options for experienced riders.

In summary, the Keihin VD51A carburetor is a high-quality, constant-venturi, downdraft carburetor designed specifically for Honda VF750 and Magna VF750 motorcycles. It features a durable design, adjustable fuel mixture settings, and a throttle position sensor for improved engine response and fuel efficiency.

Pros and Cons of Buying a Keihin VD51A Carburetor for Honda VF750/VF 750 Magna V45

The Keihin VD51A is a popular aftermarket carburetor for the Honda VF750/VF 750 Magna V45 motorcycle. Replacing the stock carburetor with this aftermarket version can offer several advantages. However, it also comes with certain disadvantages. In this article, we will discuss the pros and cons of buying a Keihin VD51A carburetor for your Honda VF750/VF 750 Magna V45.

1. Improved Performance: The Keihin VD51A offers better fuel-air mixture, resulting in improved engine performance. This can lead to increased horsepower, torque, and overall power delivery.

2. Enhanced Fuel Economy: The improved fuel-air mixture can lead to better fuel economy, enabling you to travel further on a single tank of gas.

3. Smoother Idle: The Keihin VD51A offers a smoother idle compared to the stock carburetor. This can result in a more comfortable riding experience.

4. Better Throttle Response: The Keihin VD51A offers better throttle response, enabling the rider to accelerate faster and more smoothly.

5. Easy Installation: The Keihin VD51A is relatively easy to install compared to other aftermarket carburetors. This can save you time and money on installation costs.

1. Cost: The Keihin VD51A is more expensive than the stock carburetor. This can be a significant investment for some riders.

2. Requires Tuning: The Keihin VD51A requires tuning to achieve optimal performance. This can be a time-consuming and sometimes costly process.

3. Jetting: Proper jetting is essential to achieve optimal performance. Incorrect jetting can lead to poor fuel economy, decreased performance, and even engine damage.

4. Complexity: The Keihin VD51A is a more complex carburetor than the stock carburetor. This can make it more difficult to troubleshoot and maintain.

The Keihin VD51A offers several advantages, including improved performance, enhanced fuel economy, smoother idle, better throttle response, and easy installation. However, it also comes with certain disadvantages, such as cost, the need for tuning, jetting requirements, and complexity. Ultimately, the decision to buy a Keihin VD51A carburetor for your Honda VF750/VF 750 Magna V45 depends on your budget, riding style, and willingness to invest time and money in tuning and maintenance.

If you are looking for improved performance, enhanced fuel economy, and a smoother riding experience, the Keihin VD51A is an excellent choice. However, be prepared for the additional cost, the need for tuning, and the potential complexity of the carburetor. If you are on a tight budget or prefer a simpler and less expensive option, the stock carburetor may be a better choice for you. Regardless of your decision, ensure you consult with a professional mechanic or experienced tuner to ensure optimal performance and prevent any potential issues.

part # vd51a prices

• $59.99-$225.00

specifications iodacarb:

• for models: Vf750, 750, Magna
• for makes: Honda
• brand: Keihin
• choke type: Mechanical
• type: Carburetor
• manufacturer part number: VD51A

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offer iodacarb:

• quantity: 1
• options: Ship-to-home
• availability: In Stock
• best offers: True
• sold: 0
• started: February 19, 2026

seller iodacarb:

• # reviews: 4105
• rating: 98.7%

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general iodacarb:

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

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