WFLNHB ON398344L Carburetor Carb

( Brand: Wflnhb ), ( Manufacturer Part Number: ON398344L ), ( Manufacturer Warranty: 90 Day ), ( Type: Carburetor ), ( Surface Finish: Polished )

Review WFLNHB Carburetor Honda 2014 Carb Us fits 450X 450R CRF 2002–2008

The WFL NHB ON398344L carburetor is a high-performance replacement option for Honda CRF 450x models from 2005 to 2014 and Honda 450R models from 2002 to 2008. This carburetor is designed to deliver improved throttle response, increased power, and enhanced fuel efficiency compared to the original equipment.

The WFL NHB ON398344L carburetor features a 38mm bore and a unique float bowl design. The float bowl is made from a durable and lightweight material, which reduces the unsprung weight and contributes to better engine response. The float bowl also comes with an adjustable float level, allowing riders to fine-tune the fuel mixture according to their riding conditions and preferences.

This carburetor utilizes a Mikuni TM38 flat slide throttle body, which provides a smooth and responsive power delivery. The throttle body is also equipped with a Idle Mixture Adjusting (IMA) system that ensures a stable idle and consistent fuel mixture under various riding conditions.

The WFL NHB ON398344L carburetor comes with a full set of gaskets, jets, and needles to make the installation process as simple and straightforward as possible. The gaskets are made from a high-quality material that ensures a perfect seal and eliminates the risk of leaks. The jets and needles are precision-machined to ensure a precise fuel mixture and optimal engine performance.

Additionally, this carburetor features a revised needle jet design, which provides a more efficient fuel delivery and improved fuel atomization. This results in a more complete combustion and a cleaner exhaust.

The WFL NHB ON398344L carburetor is also designed to be easy to maintain. The main jet and needle are easily accessible for adjustments, and the carburetor comes with a comprehensive instruction manual to guide users through the installation and tuning process.

In summary, the WFL NHB ON398344L carburetor is a high-performance replacement option for Honda CRF 450x and 450R models. It delivers improved throttle response, increased power, and enhanced fuel efficiency, and is easy to install and maintain. With a durable and lightweight float bowl design, a smooth and responsive Mikuni TM38 flat slide throttle body, and a comprehensive set of gaskets, jets, and needles, this carburetor is an excellent choice for riders looking to enhance the performance of their Honda dirt bike.

Pros and Cons of Buying a WFL Carburetor for Honda CRF 450x (2005-2014) and 450R (2002-2008)

The WFL (Win Flow) carburetor is an aftermarket replacement option for stock Honda CRF 450x (2005-2014) and 450R (2002-2008) models. This carburetor is known for its high performance and adjustability. In this article, we will discuss the pros and cons of buying a WFL carburetor for your Honda CRF 450x or 450R.

1. Improved Performance: The WFL carburetor offers improved performance, with better throttle response and increased power output.

2. Adjustability: The WFL carburetor comes with various adjustments, allowing riders to fine-tune the fuel mixture for optimal engine performance.

3. Durability: The WFL carburetor features a robust design, making it more durable than the stock carburetor.

4. Easy Installation: The WFL carburetor is designed to be a direct replacement for the stock carburetor, making installation easy and straightforward.

1. Cost: The WFL carburetor is more expensive than the stock carburetor.

2. Complexity: The WFL carburetor has more adjustments than the stock carburetor, which may require a greater level of tuning knowledge.

3. Maintenance: The WFL carburetor requires more frequent maintenance than the stock carburetor due to its more complex design.

4. Potential for Issues: Some users have reported issues with the WFL carburetor, such as fuel leaks and difficult starting.

The WFL carburetor offers significant performance improvements and adjustability over the stock carburetor for the Honda CRF 450x (2005-2014) and 450R (2002-2008) models. However, it comes with a higher cost, increased complexity, and the potential for issues. If you are an experienced rider with a good understanding of carburetor tuning and are willing to invest the time and resources into maintaining the carburetor, then the WFL carburetor may be an excellent choice for you.

For riders looking for improved performance and adjustability, the WFL carburetor is a solid option. However, it is essential to consider the potential costs, complexities, and potential issues before making a purchase. If you are unsure about your ability to tune and maintain the carburetor, it may be worth considering other performance upgrades or seeking the assistance of a professional.

part # on398344l price

• $72.55

specifications iodacarb:

• for models: 450x, 450r, Crf
• for makes: Honda
• for years: 2002-2008
• brand: Wflnhb
• manufacturer part number: ON398344L
• manufacturer warranty: 90 Day
• type: Carburetor
• surface finish: Polished

shipping iodacarb:

• transit: 3-7 Days
• cost: $0.00
• service: Standard, Expedited
• class: Standard, Expedited
• type: Fixed

general iodacarb:

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

seller iodacarb:

• rating: 99.4%
• # reviews: 6662

offer iodacarb:

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

payments iodacarb:

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

returns iodacarb:

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

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