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  3. KEIHIN V5B0C31

KEIHIN Carburetor Carb 73-75

fits model: Kz400, Tx500. make: Kawasaki, Yamaha. year: 1974-75.

V5b0c31 Keihin 1974-75 Kawasaki Kz400 73-75 Yamaha Tx500 V5b 0c31 Carburetor Carb Oem

( Brand: Keihin ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Manufacturer Part Number: V5B0C31 )

Review KEIHIN Kawasaki 73-75 Yamaha V5b 0c31 Carburetor Carb Oem fits KZ400 TX500 1974-75

Introducing the Keihin V5B0C31, a classic carburetor model that was originally designed for various motorcycles from the late 1970s, including the Kawasaki KZ400 (1974-75) and Yamaha TX500 (V5B 0C31) models. This carburetor is a testament to the rich history of two-wheel engineering and its ability to deliver an optimal riding experience.

The Keihin V5B0C31 is a double-barrel carburetor, meaning it consists of two separate barrels connected by a single throttle assembly. Each barrel is responsible for supplying fuel to one cylinder of the engine. This design offers increased air-fuel mixture volume, enhancing engine performance and power delivery.

This carburetor features a constant-depression slide type design, which maintains a consistent vacuum in the carburetor bowl regardless of engine RPM. This ensures a consistent fuel-air mixture, allowing for smooth engine operation across the entire RPM range.

Another notable feature of the Keihin V5B0C31 is its adjustable main jet and pilot jet. These jets can be easily adjusted to accommodate various engine conditions, such as altitude, temperature, or fuel quality. This ability to fine-tune the carburetor ensures optimal engine performance and fuel efficiency.

The Keihin V5B0C31 also includes an automatic choke system, which ensures easy starting in cold conditions. The choke system mixes rich fuel with the incoming air, allowing the engine to start more easily and efficiently.

The carburetor body is made of durable aluminum, which is both lightweight and corrosion-resistant. This material choice not only adds to the overall aesthetics of the motorcycle but also ensures long-lasting performance and durability.

The Keihin V5B0C31 is a high-quality, reliable, and versatile carburetor that has stood the test of time. Its ability to deliver an optimal fuel-air mixture, coupled with its adjustability and durability, makes it a popular choice among vintage motorcycle enthusiasts and collectors. Restoring or maintaining a classic motorcycle with this carburetor is not only a functional investment but also a nod to the rich history of two-wheel engineering.

A Comparative Analysis of the Keihin V5B0C31 and Yamaha V5B0C31 Carburetors for Kawasaki KZ400 and Yamaha TX500 (1974-1975)

Introduction:

This analysis aims to provide a clear understanding of the Keihin V5B0C31 and Yamaha V5B0C31 carburetors for the Kawasaki KZ400 and Yamaha TX500 motorcycles manufactured between 1974 and 1975. Both carburetors are identical in model number, but they come from different manufacturers. This comparison will discuss their pros and cons to help potential buyers make an informed decision.

Keihin V5B0C31 Carburetor: 1. Pros:

a. Keihin is a well-known and reputable manufacturer of motorcycle carburetors.

b. This carburetor may provide better fuel efficiency due to its fine-tuning capabilities.

c. It might offer smoother idle and throttle response.

2. Cons:

a. Higher price point compared to OEM or aftermarket alternatives from lesser-known brands.

b. Potential for compatibility issues with certain motorcycle models or specific parts.

Yamaha V5B0C31 Carburetor: 1. Pros:

a. Being an OEM (Original Equipment Manufacturer) part, it's designed specifically for the Yamaha TX500.

b. It may offer improved reliability and longevity since it is the same carburetor used during the original production of the motorcycle.

2. Cons:

a. It may not provide significant performance improvements over the stock carburetor, making it less attractive for those seeking enhanced power or efficiency.

b. Replacement parts might be harder to find due to its age and being an OEM part.

Conclusion:

Both the Keihin V5B0C31 and Yamaha V5B0C31 carburetors have their unique advantages and disadvantages. The decision between the two ultimately depends on the user's priorities. If you're looking for potential performance improvements and fine-tuning capabilities, the Keihin carburetor might be the better option. On the other hand, if you value reliability and the peace of mind that comes with using an OEM part, the Yamaha carburetor would be the recommended choice. Regardless of the decision, it's crucial to ensure proper installation, tuning, and regular maintenance to ensure optimal performance and longevity.

part # v5b0c31 price

  • $125.00

specifications iodacarb:

  • for models: Kz400, Tx500
  • for makes: Kawasaki, Yamaha
  • for years: 1974-75
  • brand: Keihin
  • choke type: Mechanical
  • type: Carburetor
  • manufacturer part number: V5B0C31

seller iodacarb:

  • # reviews: 4108
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offer iodacarb:

  • options: Ship-to-home
  • availability: In Stock
  • quantity: 1
  • started: February 23, 2026
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general iodacarb:

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

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  • class: Standard
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for models: kz400, tx500, for makes: kawasaki, yamaha, for years: 1974-75, choke type: mechanical, type: carburetor,
category: motorcycle parts > motorcycle scooter parts accessories > air intake fuel delivery > carburetors, sku: 10354171930307751,

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