KEIHIN B88D-RL25 Butterfly Carburetor Fx

( Brand: Keihin ), ( Machine Type: H-d ), ( Items Included: Float Bowl Screws ), ( Member: Since 1999 ), ( Manufacturer Part Number: B88D-RL25 ), ( Material: Aluminum ), ( Vintage Part: Yes ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Oe/oem Part Number: 27471-80a ), ( Features: Butterfly ), ( Country Of Origin: Japan )

Review KEIHIN Oem Harley davidson Butterfly Carburetor Fx fits SHOVELHEAD IRONHEAD XLH FL

The Keihin B88D-RL25 Harley-Davidson butterfly carburetor is a premium replacement option for Harley-Davidson Flathead, Shovelhead, and Ironhead motorcycles. This carburetor is specifically designed for Harley-Davidson models with FX and XLH engine types, ensuring a perfect fit and optimal performance.

The B88D-RL25 carburetor boasts a number of advanced features that set it apart from other replacement options. Its unique design includes a single 32mm butterfly venturi, which allows for precise fuel metering and delivery. This results in improved throttle response, increased power, and enhanced fuel efficiency.

The carburetor features a high-quality, chrome-plated body that adds a touch of style to your Harley-Davidson motorcycle. It also includes a convenient electric choke, which ensures easy starting in all weather conditions. The carburetor is equipped with a float bowl drain plug, making it easy to service and maintain.

The B88D-RL25 carburetor comes with a set of new gaskets, ensuring a hassle-free installation process. It also includes a new float bowl gasket, needle and seat jet, and a new main jet to provide optimal fuel delivery. The carburetor is designed to meet or exceed OEM specifications, ensuring reliable and consistent performance.

This carburetor is CARB-compliant, making it an ideal choice for riders in California and other areas with strict emissions regulations. It is also compatible with various Harley-Davidson accessories, such as air cleaners and intake manifolds, allowing for customization and personalization of your motorcycle.

In summary, the Keihin B88D-RL25 Harley-Davidson butterfly carburetor is a high-performance, stylish, and reliable replacement option for your Harley-Davidson Flathead, Shovelhead, or Ironhead motorcycle. Its precise fuel metering, easy installation, and CARB-compliance make it an excellent choice for riders who demand the best from their motorcycle.

The Keihin B88D-RL25 carburetor is a popular aftermarket option for Harley-Davidson motorcycles, particularly those with the FX Shovelhead, XLH Ironhead, and FL models. Here are some pros and cons to help you make an informed decision on whether to buy this carburetor.

1. Improved Performance: The Keihin carburetor is known for its ability to provide better fuel mixture and airflow, leading to improved engine performance.

2. Easy Installation: This carburetor comes with a simple installation process, making it a popular choice for DIY enthusiasts.

3. Better Fuel Economy: With better fuel mixture and airflow, the Keihin carburetor can lead to improved fuel economy, saving you money in the long run.

4. Smoother Idle: The Keihin carburetor is designed to provide a smoother idle, making your Harley-Davidson motorcycle more comfortable to ride.

5. Better Acceleration: The improved fuel mixture and airflow can lead to better acceleration, making your Harley-Davidson motorcycle more responsive.

1. Cost: The Keihin carburetor can be more expensive than the stock carburetor, making it a significant investment.

2. Complexity: While the installation process is relatively simple, the Keihin carburetor has more adjustments than the stock carburetor, which can be intimidating for some.

3. Potential Tuning Issues: Some Harley-Davidson motorcycles may require additional tuning to run correctly with the Keihin carburetor, which can add to the cost and complexity.

The Keihin B88D-RL25 carburetor offers several advantages, including improved performance, easier installation, better fuel economy, smoother idle, and better acceleration. However, it comes with a higher cost, potential complexity, and the possibility of tuning issues.

If you are looking for significant performance improvements and don't mind the investment, the Keihin B88D-RL25 carburetor is an excellent choice for your Harley-Davidson motorcycle. However, if you are on a tight budget or prefer a simpler installation process, the stock carburetor may be a better option for you. Ultimately, the decision depends on your priorities and budget.

part # b88drl25 prices

• $40.00-$169.99

specifications iodacarb:

• for models: Xlh, Fl, Shovelhead, Ironhead
• for makes: Harley, Davidson
• brand: Keihin
• machine type: H-d
• items included: Float Bowl Screws
• member: Since 1999
• manufacturer part number: B88D-RL25
• material: Aluminum
• vintage part: Yes
• choke type: Mechanical
• type: Carburetor
• oe/oem part number: 27471-80a
• features: Butterfly
• country of origin: Japan

returns iodacarb:

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

seller iodacarb:

• # reviews: 6401
• rating: 100.0%

shipping iodacarb:

• cost: $13.70
• carrier: USPS
• transit: 4-8 Days
• service: USPS Ground Advantage
• class: Standard
• type: Calculated

payments iodacarb:

• money order
• other
• wallet: Apple-pay
• credit card: Diners-club

offer iodacarb:

• options: Ship-to-home
• availability: In Stock
• best offers: True
• sold: 0
• started: October 30, 2025
• quantity: 1

general iodacarb:

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

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