1. Old Chainsaw Parts Items
  2. sku: 9475963559510853
  3. TILLOTSON 320A 1122-120-0621

TILLOTSON 320A Nos Stihl Carburetor Ms 650 660 Chainsaw

1122-120-0621 Tillotson 320a Nos Stihl Carburetor 066 Ms 650 660 Chainsaw

( Brand: Tillotson 320a ), ( Manufacturer Part Number: 1122-120-0621 ), ( Compatible Brand: For Stihl ), ( Engine Type: 2-stroke ), ( Type: Carburetor ), ( Power Source: Gasoline ), ( Assembly Required: No ), ( Compatible Product: Chainsaw )

Review TILLOTSON 320A 320anos Stihl Carburetor 066 Ms 650 660 Chainsaw

The Tillotson 320A carburetor, part number 1122-120-0621, is a crucial component for STIHL chainsaws with model numbers MS 650 and MS 660. This carburetor is specifically designed to provide optimal fuel delivery for these powerful and efficient chainsaws.

The Tillotson 320A carburetor features an advanced design with a flat slide mechanism. This design ensures precise fuel-air mixtures, resulting in reliable ignition and superior engine performance. The carburetor also includes an automatic choke system, which makes starting the chainsaw easier in cold conditions.

The carburetor body is made of high-quality materials that are resistant to wear and tear, ensuring long-lasting durability. The carburetor's meticulously engineered components provide precise fuel metering, ensuring that the correct amount of fuel is delivered to the engine at all times.

The Tillotson 320A carburetor is also easy to adjust, making it ideal for use in various operating conditions. The carburetor includes an adjustable idle screw, which allows users to fine-tune the engine's idle speed for optimal performance and fuel efficiency. Additionally, the carburetor's adjustable air screw enables users to adjust the engine's power output, ensuring that the chainsaw is operating at its peak performance.

The Tillotson 320A carburetor's maintenance-friendly design makes it easy to clean and service. The carburetor includes a removable bowl, making it easy to access and clean the float bowls and jets. The carburetor also includes a drain plug, making it easy to drain the fuel tank and carburetor bowls when necessary.

Overall, the Tillotson 320A carburetor is an essential component for STIHL MS 650 and MS 660 chainsaws, providing reliable fuel delivery, easy adjustability, and long-lasting durability. Whether you're a professional logger, a landscaping contractor, or a homeowner with a large property, this carburetor will help ensure that your STIHL chainsaw is operating at its best.

Tillotson 320A Carburetor for Stihl Chainsaws: A Detailed Analysis

The Tillotson 320A carburetor is a popular aftermarket option for Stihl chainsaws, particularly models 650 and 660. This carburetor is known for its ease of adjustment and potential for improved performance. However, like any purchase, it comes with its own set of pros and cons.

Pros:

1. Improved Adjustability: The Tillotson 320A offers easier and more precise adjustment of the idle and fuel mixture compared to the stock Stihl carburetor. This can lead to a smoother running engine, easier starting, and better overall performance.

2. Fuel Efficiency: Some users report improved fuel efficiency with the Tillotson carburetor, leading to longer run times between refills.

3. Durability: The Tillotson 320A is known for its robust design and durability, making it a reliable choice for heavy-duty use.

Cons:

1. Complexity: Compared to the stock Stihl carburetor, the Tillotson 320A is more complex and may require more maintenance. This can be a drawback for those who are not mechanically inclined or don't want the added hassle.

2. Cost: The Tillotson 320A is typically more expensive than the stock Stihl carburetor. This may be a deterrent for some buyers, especially those on a tight budget.

3. Installation: Installing the Tillotson carburetor can be a challenge, especially for those without experience. It may require the use of specialized tools and the purchase of additional parts, such as a new air filter.

Conclusion:

The Tillotson 320A carburetor offers several advantages over the stock Stihl carburetor, including improved adjustability, potential for increased fuel efficiency, and durability. However, it also comes with some drawbacks, such as complexity, cost, and installation challenges. Ultimately, the decision to purchase the Tillotson 320A depends on individual needs, budget, and mechanical ability.

Recommendation:

If you are looking for better performance, easier adjustability, and are willing to invest time and money into the installation and maintenance, the Tillotson 320A carburetor may be a worthwhile investment. However, if you are on a tight budget, prefer a simpler design, or are not comfortable with the added complexity, the stock Stihl carburetor may be a better choice for you.

Details:

ONE NEW OLD STOCK GENUINE OEM STIHL TILLOTSON 320A CARBURETOR FOR: 066, MS 650, 660, PART NUMBER, 1122 120 0621 660.

part #: 11221200621 prices

  • $19.09-$173.28

specifications sawpancho:

  • brand: Tillotson 320a
  • mpn: 1122-120-0621
  • compatible brand: For Stihl
  • engine type: 2-stroke
  • type: Carburetor
  • power source: Gasoline
  • assembly required: No
  • compatible product: Chainsaw

general sawpancho:

  • Yard, Garden Outdoor Living > Outdoor Power Equipment > Chainsaw Parts
  • condition: Open box

seller sawpancho:

  • # reviews: 17
  • city: New Middletown, Ohio
  • rating: 100.0%

offer sawpancho:

  • sold: 0
  • options: Ship-to-home
  • started: December 14, 2025
  • best offers: True
  • quantity: 1
  • availability: In Stock

shipping sawpancho:

  • class: Standard
  • type: Calculated
  • service: USPS Ground Advantage
  • transit: 4-9 Days
  • cost: $6.99
  • carrier: USPS

payments sawpancho:

  • credit card: Diners-club
  • other
  • wallet: Apple-pay

returns sawpancho:

  • policy: No Returns
compatible brand: for stihl, engine type: 2-stroke, type: carburetor, power source: gasoline, assembly required: no, compatible product: chainsaw,
category: home & garden > yard, garden outdoor living > outdoor power equipment > chainsaw parts, sku: 9475963559510853,

Tillotson 320a 1122-120-0621 Is Similar To:

sawpancho logo
5 offers $19.09–$173.28 USD
  • Offer #1: $173.28 price + $0.00 shipping estimate = $173.28* total. - Stihl: MS 660, 066. Carburettor type: HS-320A.FREE SHIPPING
  • Offer #2: $19.09 price + $0.00 shipping estimate = $19.09* total. Description Fit Stihl 066 064 MS660 Walbro WJ-67A WJ-76A WJ-67B Zama C3A-S31 Tillotson part number HS-320A Replacement OEM For 1122 120 0623 / 1122 120 0621 Package Include 1 * Carburetor Kit Note: Please compare appearance, shape and size with your original unit before purchase, make sure it will fit you very well.FREE SHIPPING
  • Offer #3: $89.76 price + $7.85 shipping estimate = $97.61* total. when fitted with Tillotson carburetor number replaces Tillotson carburetor number There may have been more than one style of Tillotson HS series carburetor factory fitted on these saws. 064, 066, 064 Magnum, 066 Magnum, MS650, MS660.+$7.85 shipping
  • Offer #4: $19.96 price + $0.00 shipping estimate = $19.96* total. MS660 Air FIlter Carburetor Replace Part Number Carburetor Fits for STIHL MS640 MS650 MS660 064 065 066 chainsaw.FREE SHIPPING
  • Offer #5: $15.29 price + $0.00 shipping estimate = $15.29* total. Carb Rebuild Kit. Stihl 066 064 065 MS650 MS660.FREE SHIPPING

Copyright © sawpancho.com