KEIHIN V138-YG18 Cvk Carburetor Carb 454LTD

( Brand: Keihin ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Manufacturer Part Number: V138-YG18 )

Review KEIHIN 1986 87 Kawasaki Cvk V138 Yg18 Carburetor Carb Oem fits EN450 1986-87

The Keihin V138-yg18 carburetor, also known as the CVK V138 YG18 carburetor, is a legendary component that was widely used in various motorcycle models during the 1986-87 period, including the Kawasaki EN450 454LT. This carburetor is a testament to Keihin's commitment to delivering high-performance and precise fuel delivery systems.

The V138-yg18 carburetor is a constant-velocity carburetor, which means it maintains a consistent fuel flow rate to ensure optimal engine performance under various operating conditions. It features a 38mm throttle body diameter and is designed to deliver a fuel mixture that is rich enough for efficient combustion while preventing unnecessary fuel wastage.

The carburetor's design includes a venturi shape that facilitates the formation of a vacuum, which draws fuel into the engine's intake system. The venturi shape is optimized to create a stable and predictable fuel-air mixture, which is crucial for consistent engine performance and fuel efficiency.

The V138-yg18 carburetor comes with an automatic choke system, which simplifies the starting process by providing a rich fuel mixture during engine cranking. This feature is particularly useful in cold weather conditions when the engine may be difficult to start.

The carburetor's float bowl has a capacity of 21.5cc, which ensures a steady fuel supply to the engine during idle and cruising conditions. The float bowl is designed to minimize fuel slosh, which can negatively impact engine performance.

The carburetor's needle jet and main jet can be adjusted to fine-tune the fuel mixture for optimal engine performance. The needle jet adjustment affects the idle mixture, while the main jet adjustment affects the fuel mixture during full throttle conditions. These adjustments allow riders to customize the carburetor's performance to their riding style and fuel conditions.

The V138-yg18 carburetor's design also includes a secondary air system, which helps to reduce exhaust emissions by ensuring that all fuel is burned efficiently. This feature is particularly useful for riders who want to minimize their environmental impact and comply with emissions regulations.

In summary, the Keihin V138-yg18 carburetor is a high-performance and versatile component that was widely used in motorcycles during the 1986-87 period. Its constant-velocity design, automatic choke system, adjustable fuel mixture settings, and secondary air system make it a popular choice among motorcycle enthusiasts who demand precise and efficient fuel delivery systems. With its unique combination of power, performance, and emissions control, the V138-yg18 carburetor remains a beloved component in the motorcycle community.

The Keihin V138-YG18 carburetor is a model that was used in various motorcycles, including the 1986-87 Kawasaki EN450 454LT-CVK. Here are some pros and cons that may help you decide whether to buy this particular carburetor:

1. Widely used: This carburetor model is known to be used in various motorcycles, making it a common and readily available option in the aftermarket.

2. Relatively simple: Carburetors are known for their simplicity compared to fuel injection systems. This model is no exception, making it easier to diagnose and repair.

3. Cost-effective: Compared to newer and more advanced fuel injection systems, this carburetor is generally more affordable.

4. Can be tuned: Carburetors offer more tuning flexibility than fuel injection systems since adjustments can be made to the idle mixture, main jet, and other components.

1. Requires more maintenance: Carburetors generally require more frequent maintenance than fuel injection systems. This includes regular cleaning and adjustments.

2. Less efficient: Carburetors are less efficient than fuel injection systems since they mix fuel and air in a less precise manner. This can lead to poorer fuel economy and increased emissions.

3. Less responsive: Carburetors may not respond as quickly to changes in engine load or riding conditions as fuel injection systems. This can make the motorcycle less responsive and less enjoyable to ride.

The decision to buy a Keihin V138-YG18 carburetor ultimately depends on your specific needs and preferences. If you're looking for a cost-effective, tunable, and widely available option, this carburetor may be a good choice. However, if you prioritize ease of use, efficiency, and responsiveness, you may want to consider a fuel injection system instead.

If you've weighed the pros and cons and have decided that a carburetor is the right choice for you, then the Keihin V138-YG18 carburetor is a solid option to consider. Make sure to research the specific installation process for your motorcycle model and have the necessary tools and knowledge to properly install and maintain the carburetor.

part # v138yg18 prices

• $20.00-$230.00

specifications iodacarb:

• for models: En450
• for makes: Kawasaki
• for years: 1986-87
• brand: Keihin
• choke type: Mechanical
• type: Carburetor
• manufacturer part number: V138-YG18

shipping iodacarb:

• cost: $0.00
• transit: 3-8 Days
• service: Standard
• type: Fixed
• class: Standard

general iodacarb:

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

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offer iodacarb:

• quantity: 1
• started: February 25, 2026
• sold: 0
• best offers: True
• options: Ship-to-home
• availability: In Stock

seller iodacarb:

• rating: 98.8%
• # reviews: 4111

returns iodacarb:

• policy: No Returns

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