KEIHIN Fcr Fvkd Carburetor Carb Idle Screw FCR39

( Brand: Keihin ), ( Type: Carburetor ), ( Manufacturer Part Number: 1034-837-2100 )

Review KEIHIN Keihinfcr39 Fcr 39 Fvkd Carburetor Carb Idle Speed Screw

The Keihin FCR39 FVKD Carburetor Idle Screw is a crucial component for adjusting the idle speed and stability of your motorcycle's engine. This carburetor idle screw, also known as the low-speed jet needle or just the idle jet, is specifically designed for the Keihin FCR39 carburetor model (part number 1034-837-2100).

Measuring approximately 1.5 inches in length, this idle screw is made from high-quality materials, ensuring durability and reliability. Its precision-engineered threaded design allows for easy adjustment, enabling you to fine-tune your engine's idle speed to match your riding preferences or environmental conditions.

The idle screw features a conical tip, which helps maintain a consistent fuel mixture at the idle RPM. This design ensures a smooth engine idle and improved overall engine performance. The screw also comes with an O-ring seal to prevent fuel leaks and maintain a proper vacuum at the carburetor.

Installing the Keihin FCR39 FVKD Carburetor Idle Screw is a straightforward process. Simply remove the old idle screw, thread the new one into the carburetor, and adjust the idle speed using a suitable screwdriver or Allen wrench.

In summary, the Keihin FCR39 FVKD Carburetor Idle Screw is an essential accessory for fine-tuning the idle speed and stability of your FCR39 carburetor-equipped motorcycle. Its high-quality materials, precision design, and ease of installation make it a must-have for any motorcycle enthusiast seeking optimal engine performance.

The Keihin FCR39 FVKD carburetor, specifically model number 1034-837-2100, is a popular choice for motorcycle enthusiasts due to its high performance and precise fuel delivery. However, like any mechanical component, it comes with its own set of pros and cons.

1. High Performance: The FCR39 carburetor is known for its high performance capabilities. It offers excellent fuel mixture delivery, which results in improved engine power and efficiency.

2. Adjustability: The carburetor comes with various adjustment options, including idle mixture and jetting, allowing riders to fine-tune the engine settings to their preference and riding conditions.

3. Durability: Keihin carburetors are renowned for their durability, making them a preferred choice for many motorcycle enthusiasts.

4. Smooth Idle: The FCR39 carburetor provides a smooth idle, which is essential for a comfortable riding experience.

1. Complexity: Carburetors, in general, are more complex compared to fuel injection systems. The FCR39 carburetor is no exception, and it may require more maintenance and tuning to ensure optimal performance.

2. Fuel Consumption: Since the carburetor delivers fuel based on engine vacuum, it may consume more fuel under heavy loads or at high altitudes, leading to increased fuel consumption.

3. Emissions: The FCR39 carburetor may not meet modern emission standards, making it less suitable for motorcycles that need to pass stringent emissions tests.

The Keihin FCR39 FVKD carburetor, model number 1034-837-2100, offers high performance, adjustability, and durability, making it a popular choice among motorcycle enthusiasts. However, it comes with some downsides, including complexity, higher fuel consumption, and non-compliance with modern emission standards.

If you're looking for a high-performance carburetor for your motorcycle and are willing to put in the required maintenance, the Keihin FCR39 FVKD carburetor could be an excellent choice. However, if you prioritize ease of use, fuel efficiency, and emissions compliance, you may want to consider a fuel injection system instead. Ultimately, the decision depends on your riding preferences, budget, and the specific requirements of your motorcycle.

part # 10348372100 prices

• $15.00-$699.99

specifications iodacarb:

• brand: Keihin
• type: Carburetor
• manufacturer part number: 1034-837-2100

general iodacarb:

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

seller iodacarb:

• # reviews: 1629
• rating: 100.0%

offer iodacarb:

• options: Ship-to-home
• availability: In Stock
• quantity: 2
• started: June 10, 2025
• sold: 0

payments iodacarb:

• wallet: Google-pay
• credit card: Diners-club
• other

returns iodacarb:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

shipping iodacarb:

• cost: $0.00
• class: Standard, Expedited
• carrier: USPS
• transit: 3-7 Days
• type: Fixed
• service: USPS Ground Advantage, USPS Priority Mail

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