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  3. KOSO DA930300

KOSO DA930300 Ksr Carburetor Semi Flat Slide 30MM

Da930300 Koso Ksr 30mm Carburetor With Semi-flat D-shaped Slide New

( Brand: Koso ), ( Type: Carburetor ), ( Oe/oem Part Number: 128-19-30 / Pr80 ), ( Manufacturer Part Number: DA930300 )

Review KOSO Ksr 30mm Carburetor Semi flat D shaped Slide New

Introducing the KOSO DA930300 KSR 30mm Carburetor with a semi-flat, D-shaped slide. This carburetor is a premium option for those seeking optimal engine performance in their vehicles. its 30mm bore size makes it suitable for high-performance applications.

The semi-flat, D-shaped slide design offers several advantages. First, it provides a larger throttle opening area, which enhances the responsiveness of the carburetor. It also allows for more precise throttle control, resulting in smoother engine operation. The semi-flat design also reduces the risk of vapor lock, as the flatter slide profile allows for better cooling of the fuel mixture.

This KOSO carburetor is equipped with several advanced features that contribute to its high-performance capabilities. For instance, it comes with a vacuum secondary system, which provides additional fuel to the engine under vacuum conditions, such as when the vehicle is cruising at high speeds. This results in improved power output and better fuel efficiency.

Moreover, the KOSO DA930300 KSR carburetor features a fine-mesh air filter, which effectively traps dirt and other contaminants, ensuring that only clean air enters the carburetor and mixes with the fuel. This results in better combustion efficiency and improved engine performance.

The KOSO DA930300 KSR 30mm Carburetor also comes with adjustable jetting, which allows users to fine-tune the fuel mixture to suit their specific engine requirements. This makes it an ideal choice for enthusiasts who want to maximize the performance of their high-performance engines.

In summary, the KOSO DA930300 KSR 30mm Carburetor with a semi-flat, D-shaped slide is a high-performance carburetor designed for those who demand the best from their engines. Its advanced features, such as the vacuum secondary system and adjustable jetting, make it a versatile and effective solution for a wide range of applications. Whether you're looking to enhance the performance of your race car or your daily driver, this carburetor is sure to deliver the results you're after.

The KOSO DA930300 KSR 30mm carburetor with a semi-flat, d-shaped slide is a popular choice among racers and performance enthusiasts due to its unique design and potential benefits. Here are some pros and cons to help you make an informed decision about purchasing this carburetor:

Pros:

1. Unique Design: The semi-flat, d-shaped slide allows for a flatter throttle plate angle, which can improve air velocity and fuel atomization, leading to better power and torque.

2. Adjustability: This carburetor offers a high degree of adjustability, including multiple jet sizes, emulsion tubes, and needle positions, allowing you to fine-tune the fuel mixture for optimal performance.

3. Durability: KOSO carburetors are known for their high-quality construction and durability, making them a good investment for those who demand reliability and longevity.

4. Versatility: This carburetor can be used in a variety of applications, including drag racing, circuit racing, and even street use, making it a versatile choice for those who want a single carburetor that can do it all.

Cons:

1. Complexity: Due to its high degree of adjustability and unique design, this carburetor can be more complex to set up and tune than some other options on the market.

2. Cost: This carburetor is typically more expensive than some other options due to its unique design and high-quality construction.

3. Installation: Installing this carburetor may require some additional fabrication or modification to the intake manifold or fuel system, adding to the cost and complexity of the project.

Conclusion:

The KOSO DA930300 KSR 30mm carburetor with a semi-flat, d-shaped slide is a high-performance carburetor that offers a unique design, adjustability, durability, and versatility. However, it also comes with a higher cost, complexity, and potential installation challenges. If you are a serious racer or performance enthusiast looking for the best possible performance from your engine, this carburetor may be worth the investment. However, if you are looking for a more affordable or simpler option, there may be other carburetors that better suit your needs. Ultimately, the decision to purchase this carburetor depends on your specific application, budget, and level of expertise.

part # da930300 price

  • $8996.35

specifications iodacarb:

  • brand: Koso
  • type: Carburetor
  • oe/oem part number: 128-19-30 / Pr80
  • manufacturer part number: DA930300

payments iodacarb:

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

general iodacarb:

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

returns iodacarb:

  • policy: No Returns

offer iodacarb:

  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • quantity: 1
  • started: November 26, 2025

seller iodacarb:

  • # reviews: 2060
  • rating: 100.0%

shipping iodacarb:

  • transit: 3-7 Days
  • cost: $14.00
  • class: Expedited
  • type: Fixed
  • carrier: USPS
  • service: USPS Priority Mail
type: carburetor, oe/oem part number: 128-19-30 / pr80,
category: motorcycle parts > motorcycle scooter parts accessories > air intake fuel delivery > carburetors, sku: 8724615289105751,

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1 offer $8996.35 USD
  • Offer #1: $8996.35 price + $14.95 delivery = $9011.30* total. KOSO'S KSR 30mm CARBURETOR FEATURES A SEMI-FLAT D-SHAPED SLIDE THAT INCREASES THE FUEL FLOW FOR A BETTER THROTTLE REACTION.+$14.95 shipping