1. Motorcycle Carburetors Offers
  2. sku: 11887167591806633
  3. BOYESEN MN/BZS2

BOYESEN MN-BZS2 Start Keihin Fcr Carburetors Pa MN/BZS2

fits model: Wr426f. make: Yamaha. year: 2001–2002.

Bzs2 Boyesen Mn/bzs2 Quick Start For Keihin Fcr Carburetors 2001-2002 Yamaha Wr426f - Pa

( Brand: Boyesen ), ( Type: Quick Start For Keihin Fcr Carburetors ), ( Manufacturer Part Number: MN/BZS2 ), ( Compatible Year: 2002 2001 ), ( Bundle Description: 1 Pc Genuine Boyesen Quick Start For Keihin Fcr Carburetors ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review BOYESEN Mn/bzs2 Quick Start Keihin Fcr Carburetors Yamaha Pa fits WR426F 2001–2002

Introducing the Boyesen MN/BZS2 Start kit, specifically designed for the Keihin FCR carburetors found on the Yamaha WR426F PA motorcycles manufactured between 2001 and 2002. This innovative kit is an essential addition to ensure a reliable and efficient starting system for your off-road bike.

The Boyesen MN/BZS2 Start kit comes with a high-performance, self-adjusting mechanical advanced timing (MAT) system. This system utilizes a unique centrifugal mechanism that automatically adjusts the ignition timing based on engine RPM. This results in optimal ignition timing, improved combustion efficiency, and smoother engine performance.

Moreover, the kit includes a high-output 12-volt electric start solenoid. This solenoid is designed to provide a strong and consistent electrical signal to the starter motor, ensuring a quick and efficient start. The solenoid is also built with a durable design, ensuring a long service life.

The Boyesen MN/BZS2 Start kit is also compatible with the OEM ignition harness, making installation a straightforward process. The kit includes all necessary hardware, and the installation process does not require any modifications to the engine or the carburetors.

Additionally, the Boyesen MN/BZS2 Start kit comes with a high-quality, heavy-duty starter motor. This motor is designed to handle the demands of off-road racing and is built to last. The motor also features a compact design, making it easy to install and fit in the confined space of the WR426F PA's engine compartment.

In summary, the Boyesen MN/BZS2 Start kit is an essential addition to any Yamaha WR426F PA motorcycle with Keihin FCR carburetors manufactured between 2001 and 2002. With its advanced timing system, high-output solenoid, durable starter motor, and straightforward installation process, this kit will provide you with a reliable and efficient starting system, ensuring that you're always ready for your next off-road adventure.

Pros and Cons of Installing Boyesen MN/BZS2 Powerjet Kit for Keihin FCR Carburetors on 2001-2002 Yamaha WR426F PA

Pros:

1. Increased Power: The Boyesen MN/BZS2 Powerjet Kit is designed to enhance the performance of the engine by improving the air/fuel mixture. This results in increased horsepower and torque, providing a more responsive and faster bike.

2. Improved Throttle Response: The kit utilizes larger jet sizes, which allows for a smoother and more responsive throttle response. This is particularly noticeable in the mid and high RPM ranges.

3. Enhanced Fuel Economy: Despite the increase in power, the Boyesen kit may also result in improved fuel economy due to the more efficient combustion process.

4. Adjustability: The kit comes with adjustable main and pilot jets, allowing users to fine-tune the fuel mixture for various riding conditions and personal preferences.

5. Durability: Boyesen is a reputable brand known for producing high-quality performance parts. The MN/BZS2 Powerjet Kit is designed to withstand the rigors of off-road riding.

Cons:

1. Complex Installation: The installation process for the Boyesen MN/BZS2 Powerjet Kit can be complex and time-consuming, requiring the disassembly of the carburetors, fuel system, and air filter.

2. Cost: The kit can be relatively expensive, especially when compared to other aftermarket performance parts.

3. Potential for Unintended Consequences: Altering the fuel mixture can sometimes lead to unintended consequences, such as engine pinging or knocking, if not properly tuned. It is essential to use the recommended jet sizes and follow the proper installation procedures.

Conclusion:

The Boyesen MN/BZS2 Powerjet Kit offers several advantages for those looking to enhance the performance of their 2001-2002 Yamaha WR426F PA, including increased power, improved throttle response, enhanced fuel economy, adjustability, and durability. However, the complex installation process, potential for unintended consequences, and relatively high cost are factors to consider before making a purchase.

Recommendation:

If you're an experienced rider and mechanic, and you're looking for significant performance gains from your WR426F, the Boyesen MN/BZS2 Powerjet Kit may be an excellent investment. However, if you're not comfortable with the complex installation process or the potential for unintended consequences, you may want to consider other aftermarket performance parts that offer similar benefits but are easier to install. Always consult with a professional mechanic or the manufacturer's recommendations before making any modifications to your motorcycle.

part # mnbzs2 price

  • $170.00

specifications iodacarb:

  • for models: Wr426f
  • for makes: Yamaha
  • for years: 2001-2002
  • brand: Boyesen
  • type: Quick Start For Keihin Fcr Carburetors
  • manufacturer part number: MN/BZS2
  • compatible year: 2002 2001
  • bundle description: 1 Pc Genuine Boyesen Quick Start For Keihin Fcr Carburetors
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement

returns iodacarb:

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

offer iodacarb:

  • quantity: 1
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • started: May 29, 2026

general iodacarb:

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

payments iodacarb:

  • other
  • credit card: Mastercard
  • wallet: Google-pay

seller iodacarb:

  • # reviews: 23425
  • rating: 99.3%

shipping iodacarb:

  • transit: 4-6 Days
  • cost: $0.00
  • class: Standard
  • service: Standard
  • type: Fixed
for models: wr426f, for makes: yamaha, for years: 2001-2002, type: quick start for keihin fcr carburetors, compatible year: 2002 2001, bundle description: 1 pc genuine boyesen quick start for keihin fcr carburetors, core charge: free no core charge, fitment type: direct replacement,
category: motorcycle parts > motorcycle scooter parts accessories > air intake fuel delivery > carburetors, sku: 11887167591806633,

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