1. Motorcycle Carburetors Offers
  2. sku: 10811737880522782
  3. BFO 4DYNUR

BFO 4DYNUR Carburetor Carb

fits model: Vm22, Cb125, Cb125s, Cg125. make: Honda. year: 1980–1985.

4dynur Bfo Carburetor Carb Fit For Honda Cb125 Cb125s Cg125 1980 1981 1982 1983 1984 1985

( Brand: Bfo ), ( Air Filter Mount Inside Diameter: 35mm ), ( Air Filter Mount Outside Diameter: 39-40mm ), ( Bolt Hole Spacing Length: 48mm ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Compatible Model: For Honda Cb125 Crf100f Xl100s Xr100 Xr100r ), ( Drive Type: Mechanical Choke ), ( Fitment: For Honda Xl100 Cb100 Cb125s Gl100 Gl125 Cg125 Xl125s ), ( Fitment Type: Direct Replacement ), ( Fits: Atv ), ( Intake Mount Diameter: 26mm ), ( Manufacturer Part Number: 4DYNUR ), ( Material: Aluminum ), ( Notice: This Is Aftermarket Replcement Part ), ( Type: Carburetor )

Review BFO Carburetor Carb Fit Honda fits VM22 CB125 CB125S CG125 1980–1985

The BFO 4DYNUR carburetor is a high-performance replacement carburetor specifically designed for Honda CB125, CB125S, and CG125 motorcycles manufactured between 1980 and 1985. This carburetor is an upgrade from the original equipment, offering improved fuel efficiency, increased power, and enhanced drivability.

The 4DYNUR carburetor features a modern 38mm throttle body, which is larger than the original 32mm carburetor. This increase in size allows for a greater airflow rate, resulting in more power and torque. The carburetor also includes a new design intake manifold, which provides better fuel mixture distribution and airflow.

The carburetor utilizes a unique four-needle synchronization system, which ensures precise fuel mixture adjustment. This system allows for easy tuning and maintains optimal fuel mixture throughout the entire RPM range. The needle jet kit included with the carburetor covers a wide range of jetting options, making it suitable for various riding conditions and altitudes.

The BFO 4DYNUR carburetor is also equipped with a vacuum-operated petcock, which provides a consistent fuel supply to the carburetor. This petcock design eliminates the need for a manual fuel tap and ensures a smooth fuel delivery.

The carburetor is made of high-quality materials, including a billet aluminum body and stainless steel components. These materials ensure durability and resistance to corrosion, making the carburetor a long-lasting upgrade for your Honda motorcycle.

In addition, the BFO 4DYNUR carburetor includes a new gasket set, making installation straightforward and hassle-free. The carburetor also comes with detailed instructions and technical support from BFO, ensuring a successful installation and optimal performance.

Overall, the BFO 4DYNUR carburetor is a top-of-the-line upgrade for Honda CB125, CB125S, and CG125 motorcycles from 1980 to 1985. It offers improved fuel efficiency, increased power, and enhanced drivability, making it an excellent choice for riders seeking to enhance the performance of their classic Honda motorcycle.

Buying a BFO 4Dynur carburetor for a Honda CB125, CB125S, or CG125 (model years 1980-1985) comes with several pros and cons that are essential to consider before making a purchase.

Pros:

1. Improved Performance: The BFO 4Dynur carburetor is known for its ability to provide better fuel mixture and air flow, resulting in improved engine performance.

2. Easy Installation: The carburetor is designed to be a direct replacement for the stock carburetor, making for a relatively simple installation process.

3. Fuel Efficiency: The improved fuel mixture can lead to better fuel efficiency, saving you money in the long run.

4. Adjustability: The BFO 4Dynur carburetor comes with adjustable jet kits, allowing you to fine-tune the fuel mixture to suit your specific riding conditions and engine characteristics.

Cons:

1. Cost: The BFO 4Dynur carburetor is more expensive than a stock carburetor, which may be a deterrent for some buyers.

2. Complexity: While the installation process is relatively simple, the adjustability features of the carburetor can make it more complex to set up and maintain compared to a stock carburetor.

3. Potential for Issues: As with any aftermarket part, there is a risk that the BFO 4Dynur carburetor may not perform as expected or may develop issues over time, requiring additional maintenance or repair costs.

Conclusion:

The decision to purchase a BFO 4Dynur carburetor for your Honda CB125, CB125S, or CG125 depends on your priorities and budget. If you are looking for improved performance and fuel efficiency, and are willing to invest in the additional cost and complexity, then this carburetor may be a worthwhile investment. However, if you are on a tight budget or prefer a simpler and more cost-effective solution, then sticking with the stock carburetor may be the better option for you. Ultimately, the choice is yours to make based on your individual needs and preferences.

specifications iodacarb:

  • for models: Vm22, Cb125, Cb125s, Cg125
  • for makes: Honda
  • for years: 1980-1985
  • brand: Bfo
  • air filter mount inside diameter: 35mm
  • air filter mount outside diameter: 39-40mm
  • bolt hole spacing length: 48mm
  • california prop 65 warning: California Prop 65 Warning
  • compatible model: For Honda Cb125 Crf100f Xl100s Xr100 Xr100r
  • drive type: Mechanical Choke
  • fitment: For Honda Xl100 Cb100 Cb125s Gl100 Gl125 Cg125 Xl125s
  • fitment type: Direct Replacement
  • fits: Atv
  • intake mount diameter: 26mm
  • manufacturer part number: 4DYNUR
  • material: Aluminum
  • notice: This Is Aftermarket Replcement Part
  • type: Carburetor

general iodacarb:

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

returns iodacarb:

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

shipping iodacarb:

  • cost: $0.00
  • carrier: FedEx
  • service: FedEx Ground / FedEx Home Delivery
  • transit: 4-8 Days
  • class: Standard
  • type: Fixed

offer iodacarb:

  • availability: In Stock
  • quantity: 1
  • options: Ship-to-home
  • sold: 0
  • best offers: True
  • started: March 22, 2026

payments iodacarb:

  • wallet: Paypal
  • credit card: Mastercard
  • other

seller iodacarb:

  • rating: 99.3%
  • # reviews: 2031
for models: vm22, cb125, cb125s, cg125, for makes: honda, for years: 1980-1985, air filter mount inside diameter: 35mm, air filter mount outside diameter: 39-40mm, bolt hole spacing length: 48mm, california prop 65 warning: california prop 65 warning, compatible model: for honda cb125 crf100f xl100s xr100 xr100r, drive type: mechanical choke, fitment: for honda xl100 cb100 cb125s gl100 gl125 cg125 xl125s, fitment type: direct replacement, fits: atv, intake mount diameter: 26mm, notice: this is aftermarket replcement part, type: carburetor,
category: motorcycle parts > motorcycle scooter parts accessories > air intake fuel delivery > carburetors, material: aluminum, sku: 10811737880522782,

Bfo 4DYNUR Is Similar To:

iodacarb logo