1. Old Chainsaw Parts Items
  2. sku: 6480705294432771
  3. OREGON K11-WJ

OREGON K11-WJ Carb Carburetor Kit Walbro Stihl Husqvarna 064 066 MS660 394XP

K11-wj Oregon Carb Carburetor Kit For Walbro Fits Stihl 064 066 Ms660 Husqvarna 394xp

( Brand: Oregon ), ( Manufacturer Part Number: K11-WJ ), ( Type: Carb Kit ), ( Country/region Of Manufacture: Brazil )

Review OREGON Carb Carburetor Kit For Walbro Fits Stihl 064 066 Husqvarna

Introducing the Oregon K11-WJ Carburetor Kit, expertly designed to provide an optimal air-fuel mixture for your Walbro-powered Stihl MS660, Husqvarna 394XP, and other select 660 cc engines with a Walbro fuel pump. This carburetor kit is an essential upgrade for those seeking improved engine performance and increased power.

The Oregon K11-WJ Carburetor Kit features a high-performance K11 carburetor, meticulously engineered to ensure precise fuel delivery for outstanding engine response. With a venturi diameter of 23.5mm and a bore size of 21.1mm, this carburetor is ideal for engines requiring increased fuel flow to meet their power demands.

This kit includes a comprehensive suite of components, including:

1. K11 Carburetor: A high-performance, 2-circuit, constant-depression diaphragm carburetor with a vacuum-secondary circuit.

2. Needle and Seat Jet: A needle jet with a diameter of 0.045 inches (1.14mm) and a seat jet with a diameter of 0.051 inches (1.29mm).

3. Pilot Jet: A 0.022-inch (0.56mm) pilot jet for smooth idle and cold start.

4. Main Jet: A 0.078-inch (1.98mm) main jet for optimal fuel delivery during engine operation.

5. Idle Jet: A 0.019-inch (0.48mm) idle jet for fine-tuning the idle speed.

6. Fuel Filter: A high-quality fuel filter to protect the carburetor from fuel contaminants.

7. Gaskets: A set of gaskets for easy installation.

The Oregon K11-WJ Carburetor Kit is meticulously crafted to provide a seamless installation experience. The kit includes detailed instructions to guide you through the installation process. Additionally, the carburetor is EPA-compliant, ensuring that your equipment remains environmentally friendly.

Whether you're looking to enhance the performance of your Stihl MS660, Husqvarna 394XP, or other select 660 cc engines with a Walbro fuel pump, the Oregon K11-WJ Carburetor Kit is the ideal solution. With its high-performance carburetor and comprehensive suite of components, you can expect improved engine response, increased power, and a smoother overall operation.

The Oregon K11-WJ carburetor kit is designed for use with Walbro carburetors on various engines, including the Stihl MS660, Husqvarna 394XP, and other similar models with a Walbro 064 or 066 carburetor. Here are some potential pros and cons of purchasing this kit.

Pros:

1. Improved Performance: The K11-WJ kit is designed to provide better fuel mixture delivery and more consistent idling and throttle response, leading to improved engine performance.

2. Easy Installation: The kit includes all necessary parts for installation, making it a relatively straightforward process for most users.

3. Cost-Effective: Compared to buying a new carburetor, the kit offers a more cost-effective solution for maintaining or upgrading the carburetor on your engine.

4. Adjustability: The kit includes adjustable jetting and air bleed screws, allowing users to fine-tune the carburetor for optimal performance in various operating conditions.

Cons:

1. Complexity: While the installation process is generally straightforward, adjusting the carburetor to achieve optimal performance can be a complex and time-consuming process, requiring a good understanding of carburetor tuning principles.

2. Potential for Inconsistent Performance: Carburetors are inherently prone to inconsistent performance due to factors such as temperature, altitude, and fuel quality. The K11-WJ kit may help improve performance, but it cannot completely eliminate these inconsistencies.

3. Ongoing Maintenance: Carburetors require regular maintenance, including cleaning, adjusting, and replacing worn parts. The K11-WJ kit may help reduce the frequency of these maintenance tasks, but they will still be necessary over time.

Ending Conclusion:

The Oregon K11-WJ carburetor kit offers several advantages for users looking to improve the performance of their Walbro-equipped engines. However, it also comes with some potential challenges, particularly in terms of complexity and ongoing maintenance. Ultimately, the decision to purchase the kit depends on your level of comfort with carburetor tuning and your willingness to invest the time and effort required to achieve optimal performance.

Recommendation:

If you are comfortable with carburetor tuning and willing to invest the time and effort required to achieve optimal performance, the Oregon K11-WJ carburetor kit is a cost-effective solution for improving the performance of your Walbro-equipped engine. However, if you prefer a more hands-off approach to engine maintenance or are not confident in your ability to tune a carburetor, you may want to consider alternative solutions, such as a fuel injection system or a new carburetor with pre-set jetting.

Details:

Includes all gaskets, diaphragm special hooked type required for these model's , needle and screens. Fits WJ carburetors found on Stihl 064, 066, MS660, MS650 and Husqvarna 394, 394XP. Does not fit these saws with other model's of carburetors, only if the saw has a Walbro WJ series carb.

part #: k11-wj price

  • $115.25

specifications sawpancho:

  • brand: Oregon
  • mpn: K11-wj
  • type: Carb Kit
  • country/region of manufacture: Brazil

shipping sawpancho:

  • carrier: USPS, UPS
  • transit: 3-9 Days
  • cost: $0.00
  • service: USPS Ground Advantage, UPS Ground, UPS 2nd Day Air
  • class: Standard, Expedited
  • type: Fixed

payments sawpancho:

  • other
  • wallet: Paypal
  • credit card: Diners-club

offer sawpancho:

  • started: June 30, 2025
  • sold: 0
  • quantity: 5
  • availability: In Stock
  • options: Ship-to-home

seller sawpancho:

  • city: Como, Colorado
  • rating: 99.9%
  • # reviews: 2009 4

returns sawpancho:

  • time: 30 Days
  • policy: Returns Accepted
  • method: Money back
  • paid by: Seller

general sawpancho:

  • condition: New
  • Yard, Garden Outdoor Living > Outdoor Power Equipment > Chainsaw Parts
type: carb kit, country/region of manufacture: brazil,
category: home & garden > yard, garden outdoor living > outdoor power equipment > chainsaw parts, sku: 6480705294432771,

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