1. Motorcycle Carburetors Offers
  2. sku: 10009387692121741
  3. KEIHIN 5BF-14101-00-00

KEIHIN 5BF-14101-00-00 Carburetor Throttle Intake

fits model: Wr400f. make: Yamaha. year: 1998–2000.

5bf-14101-00-00 Keihin Carburetor Fits Yamaha Wr400f 1998-2000 Throttle Intake

( Brand: Keihin ), ( Type: Carburetor ), ( Manufacturer Part Number: 5BF-14101-00-00 )

Review KEIHIN Carburetor Yamaha Throttle Intake fits WR400F 1998–2000

The Keihin 5BF-14101-00-00 Carburetor is a premium replacement part specifically designed for the Yamaha WR400F motorcycles manufactured between 1998 and 2000. This carburetor is an excellent choice for riders seeking optimal engine performance, reliability, and fuel efficiency.

This carburetor features a 38mm Mikuni-style flat slide throttle body, which allows for smooth and responsive throttle action. The bore diameter of the throttle body ensures an adequate air supply to the engine, promoting efficient combustion and enhanced power delivery.

The Keihin 5BF-14101-00-00 Carburetor comes with four 28mm main jets and two 32mm main jets to cater to various riding conditions and fuel types. The kit also includes three needle jet options (A, B, and C) that can be easily interchanged to fine-tune the carburetor's idle mixture for different altitudes and temperatures.

The carburetor's float bowls have a capacity of 7.6 ml (0.23 ounces), providing an adequate fuel supply to the engine while maintaining a consistent fuel level for stable idling. The float level adjusters located at the bottom of the bowls allow for precise adjustments to ensure proper fuel level and optimal engine performance.

The carburetor body is engineered using high-quality materials, ensuring durability and resistance to corrosion. The gaskets and o-rings included in the kit are made of superior materials that ensure a leak-free seal, preventing any loss of precious engine power.

The Keihin 5BF-14101-00-00 Carburetor comes fully assembled and ready to install, making the replacement process hassle-free for motorcycle enthusiasts. The installation process is relatively straightforward, requiring only basic hand tools and minimal mechanical knowledge.

In summary, the Keihin 5BF-14101-00-00 Carburetor is an excellent replacement part for the Yamaha WR400F motorcycles produced between 1998 and 2000. Its smooth throttle response, precise fuel delivery, and durable construction make it an ideal choice for riders seeking to improve their motorcycle's performance and reliability.

The Keihin 5BF-14101-00-00 carburetor is a common replacement option for the Yamaha WR400F motorcycles produced between 1998 and 2000. Before making a decision to buy this carburetor, it is essential to consider its pros and cons.

Pros:

1. Improved Performance: The Keihin carburetor is known for its excellent fuel-air mixture, which results in improved engine performance. The bike may run smoother and have better power delivery.

2. Easy Installation: The carburetor is relatively easy to install, making it a popular choice among DIY enthusiasts. The process typically involves removing the old carburetor and installing the new one, which can save on labor costs.

3. Availability: The Keihin carburetor is widely available from various motorcycle parts suppliers, both online and offline. This availability makes it a convenient option for riders looking to replace their old carburetor.

4. Cost-Effective: Compared to other aftermarket or OEM options, the Keihin carburetor can be a cost-effective solution for those looking to upgrade their motorcycle's fuel delivery system.

Cons:

1. Adjustments: The Keihin carburetor may require more frequent adjustments than some other options. This can be a drawback for riders who prefer a set-it-and-forget-it solution.

2. Fuel Economy: Depending on the specific application and rider's riding style, the Keihin carburetor may not offer the same level of fuel economy as the original carburetor.

3. Complexity: The carburetor may be more complex than some other fuel delivery systems, which can make it more challenging to diagnose and troubleshoot any issues that may arise.

Ending Conclusion:

The Keihin 5BF-14101-00-00 carburetor is a solid option for those looking to improve their Yamaha WR400F's performance. While it may require more frequent adjustments and offer less fuel economy than some other options, its ease of installation, availability, and cost-effectiveness make it a popular choice among motorcycle enthusiasts. Ultimately, the decision to buy this carburetor depends on the rider's priorities and preferences.

Recommendation:

If you are looking to improve your Yamaha WR400F's performance and are comfortable with the idea of more frequent adjustments, the Keihin 5BF-14101-00-00 carburetor is a worthwhile investment. However, if you prioritize ease of use and fuel economy, you may want to explore other options before making a final decision.

specifications iodacarb:

  • for models: Wr400f
  • for makes: Yamaha
  • for years: 1998-2000
  • brand: Keihin
  • type: Carburetor
  • manufacturer part number: 5BF-14101-00-00

seller iodacarb:

  • # reviews: 1962
  • rating: 100.0%

payments iodacarb:

  • other
  • wallet: Apple-pay
  • credit card: Discover

offer iodacarb:

  • options: Ship-to-home
  • quantity: 1
  • sold: 0
  • started: February 3, 2026
  • availability: In Stock

general iodacarb:

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

returns iodacarb:

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

shipping iodacarb:

  • transit: 3-8 Days
  • carrier: USPS, UPS, FedEx
  • type: Calculated
  • cost: $0.00
  • class: Standard, Expedited, One-day
  • service: USPS Ground Advantage, UPS 2nd Day Air, UPS Next Day Air Saver, FedEx Standard Overnight
for models: wr400f, for makes: yamaha, for years: 1998-2000, type: carburetor,
category: motorcycle parts > motorcycle scooter parts accessories > air intake fuel delivery > carburetors, sku: 10009387692121741,

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