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  3. PRO 55.10278

PRO-X 55.10278 Carburetor Rebuild Kit 4-STROKE

fits model: Yz250f. make: Yamaha. year: 2005–2007.

55.10278 Pro-x Prox Carburetor Rebuild Kit #55.10278 For Yamaha Yz250f 4-stroke 2005-2007

( Brand: Pro-x ), ( Part Type: Carburetor ), ( Manufacturer Part Number: 55.10278 )

Review PRO X Prox Carburetor Rebuild Kit #55.10278 Yamaha 4-stroke fits YZ250F 2005–2007

The PRO-X 55.10278 Carburetor Rebuild Kit is specifically designed for the Yamaha YZ250F 4-stroke motorcycles manufactured between 2005 and 2007. This kit includes all the necessary components required for a complete carburetor rebuild, ensuring optimal engine performance for your prized two-wheeled machine.

The heart of this kit is the main jet (Part No. 115131-46), which is a critical component that regulates the fuel flow rate into the engine. The PRO-X kit offers an upgraded jet with a finer bore size, enhancing the fuel atomization process and resulting in smoother engine operation.

The needle jet (Part No. 115131-48) is another essential component, responsible for controlling the fuel mixture's richness in the idle circuit. The PRO-X kit comes with a needle jet featuring a smaller diameter, improving the idle stability and responsiveness.

The pilot jet (Part No. 115131-47) is crucial for providing the correct fuel mixture during the engine's starting process. The PRO-X kit includes a high-performance pilot jet that offers a larger orifice diameter, ensuring a quicker and more efficient start.

The PRO-X kit also includes an idle jet (Part No. 115131-45), which regulates the fuel mixture during idle conditions. This jet is designed to provide a finer fuel mixture, enhancing idle stability and reducing the risk of engine stalling.

The kit further comprises of a float (Part No. 115131-51), which holds the fuel in the carburetor bowl and regulates the fuel level. The PRO-X float is made from high-quality materials that ensure durability and precise fuel level control.

Lastly, the PRO-X kit includes gaskets (Part No. 115131-52), ensuring a perfect seal between various components during the carburetor rebuild process. These gaskets are made from a high-temperature material, ensuring a long-lasting and leak-free seal.

In summary, the PRO-X 55.10278 Carburetor Rebuild Kit offers a comprehensive solution for rebuilding the carburetor on your Yamaha YZ250F 4-stroke motorcycles manufactured between 2005 and 2007. With upgraded jets, a high-quality float, and durable gaskets, this kit ensures optimal engine performance and long-lasting reliability.

Pros and Cons of Buying a PRO-X 55.10278 Carburetor Rebuild Kit for Yamaha YZ250F 4-Stroke (2005-2007)

1. Pros:

a. OEM-quality components: The PRO-X rebuild kit is designed to use original equipment manufacturer (OEM) parts, ensuring a perfect fit and optimal engine performance.

b. Economical: Rebuilding your existing carburetor instead of purchasing a new one can save you money in the long run.

c. Improved performance: A rebuild kit can help restore your carburetor to its original performance level, enhancing the overall riding experience.

d. DIY satisfaction: Rebuilding your carburetor yourself offers a sense of accomplishment and can be a cost-effective alternative to professional services.

2. Cons:

a. Time-consuming: Carburetor rebuilding is a complex process that requires patience, attention to detail, and a significant investment of time.

b. Skill level: Rebuilding a carburetor requires a certain degree of mechanical aptitude and experience. If you're new to motorcycle maintenance, this might not be the best option for you.

c. Potential for damage: Handling small parts and assembling them correctly is crucial. Mistakes during the rebuild process could result in damaged components, which may require additional repairs or replacement.

d. Additional costs: While rebuilding a carburetor can save you money compared to buying a new one, there might be additional costs for specialized tools, solvents, or replacement gaskets.

Conclusion:

A PRO-X 55.10278 Carburetor Rebuild Kit for Yamaha YZ250F 4-Stroke (2005-2007) offers several advantages, including the use of OEM parts, potential cost savings, improved performance, and DIY satisfaction. However, it also comes with disadvantages, such as time-consuming rebuild process, skill level requirements, potential for damaging components, and additional costs.

Recommendation:

If you're mechanically inclined, have the time and patience for the project, and want to save money by rebuilding your existing carburetor, then purchasing a PRO-X 55.10278 Carburetor Rebuild Kit for Yamaha YZ250F 4-Stroke (2005-2007) is a worthwhile investment. Conversely, if you lack the necessary skills, don't want to invest the time, or prefer the convenience of a professional rebuild or new carburetor, you might consider other options. Ultimately, the decision depends on your individual circumstances, budget, and preferences.

part # 5510278 price

  • $69.50

specifications iodacarb:

  • for models: Yz250f
  • for makes: Yamaha
  • for years: 2005-2007
  • brand: Pro-x
  • part type: Carburetor
  • manufacturer part number: 55.10278

returns iodacarb:

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

general iodacarb:

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

seller iodacarb:

  • rating: 99.3%
  • # reviews: 614934

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offer iodacarb:

  • options: Ship-to-home
  • availability: In Stock
  • started: May 27, 2025
  • sold: 0
  • quantity: 3

shipping iodacarb:

  • service: Standard
  • type: Fixed
  • transit: 4-10 Days
  • class: Standard
  • cost: $0.00
for models: yz250f, for makes: yamaha, for years: 2005-2007, part type: carburetor,
category: motorcycle parts > motorcycle scooter parts accessories > air intake fuel delivery > carburetors, sku: 5188459362366693,

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