1. Old Chainsaw Parts Items
  2. sku: 10905361138529771
  3. TILLOTSON MD77A

TILLOTSON MD77A Mcculloch Chainsaw Saw Go Kart Carb Mini Bike

Md77a Tillotson Vintage Mcculloch Chainsaw Hot Saw Go Kart Carb Mini Bike

( Brand: Tillotson ), ( Manufacturer Part Number: MD77A ), ( Compatible Brand: For Mcculloch ), ( Engine Type: 2-stroke ), ( Type: Carburetor ), ( Power Source: Gasoline ), ( Assembly Required: Yes ), ( Color: Silver ), ( Material: Metal ), ( Compatible Product: Chainsaw ), ( Country Of Origin: United States )

Review TILLOTSON Vintage Mcculloch Chainsaw Hot Saw Go Kart Carb Mini Bike

The Tillotson MD77A carburetor is a high-performance carburetor specifically designed for use with mini bikes and go-karts, including those powered by McCulloch chainsaws. This carburetor is known for its reliability and ease of tuning, making it a popular choice among hobbyists and small engine enthusiasts.

The MD77A carburetor features a flat slide design, which allows for precise fuel-air mixture adjustments. The slide is controlled by a single needle and jet assembly, making it easier to tune compared to more complex carburetors. The carburetor also comes with an automatic choke, which ensures easy starting in all weather conditions.

The MD77A is designed to be durable and capable of handling the demands of mini bike and go-kart applications. It is made with high-quality materials, including a brass body and stainless steel components, which provide excellent corrosion resistance. The carburetor also comes with a built-in fuel filter, which helps to prevent fuel contamination and keep the engine running smoothly.

The MD77A carburetor is compatible with a wide range of mini bikes and go-karts, including those powered by McCulloch chainsaws. It can be used with various engine sizes and configurations, making it a versatile option for those with different power requirements.

Installation of the MD77A carburetor is relatively straightforward, and it comes with clear instructions and all necessary hardware for mounting and connection to the engine. The carburetor also includes a fuel bowl gasket and an idle mixture screw, which can be adjusted to fine-tune the engine's performance.

In summary, the Tillotson MD77A carburetor is a high-performance, reliable, and easy-to-tune option for mini bikes and go-karts, including those powered by McCulloch chainsaws. Its flat slide design, automatic choke, and built-in fuel filter make it a popular choice among hobbyists and small engine enthusiasts. With its durability, compatibility with various engine sizes and configurations, and straightforward installation process, the MD77A carburetor is an excellent investment for those looking to get the most out of their mini bike or go-kart.

The Tillotson MD77A carburetor is a popular choice for mini bikes and go-karts due to its reliability and ease of use. Here are some pros and cons of buying this carburetor for your mini bike or go-kart.

Pros:

1. Widely used: The MD77A carburetor is widely used in various mini bikes and go-karts, making it easy to find parts and resources for tuning and maintenance.

2. Fuel efficient: This carburetor is known for its fuel efficiency, which can save you money on gas in the long run.

3. Easy to adjust: The MD77A carburetor has easy-to-adjust screws that allow you to fine-tune the fuel-air mixture for optimal engine performance.

4. Durable: This carburetor is built to last and can handle the rough conditions of off-road use.

Cons:

1. Complexity: Compared to simpler carburetors, the MD77A has more parts, which can make it more difficult to troubleshoot and repair for some users.

2. Price: The MD77A carburetor may be more expensive than some other options on the market.

3. Requires maintenance: Like all carburetors, the MD77A requires regular maintenance to ensure optimal performance, including cleaning the air filter and adjusting the carburetor screws.

In conclusion, the Tillotson MD77A carburetor is a reliable and efficient option for mini bikes and go-karts, but it may require more maintenance and have a higher upfront cost compared to simpler carburetors. If you are willing to put in the time and effort to maintain it, the MD77A can provide excellent performance and save you money on fuel in the long run.

Recommendation: If you are looking for a reliable and efficient carburetor for your mini bike or go-kart and are willing to put in the time and effort to maintain it, the Tillotson MD77A is a great choice. However, if you are looking for a simpler and less expensive option, there may be other carburetors on the market that better suit your needs.

Details:

Thought someone would like to have it. No clue what it goes to or came off of. It is dusty and a bit dirty from sitting all these years. Selling untested and as is for parts or repair if needed.

Not implying anything with the title above.

part #: md77a price

  • $38.95

specifications sawpancho:

  • brand: Tillotson
  • mpn: Md77a
  • compatible brand: For Mcculloch
  • engine type: 2-stroke
  • type: Carburetor
  • power source: Gasoline
  • assembly required: Yes
  • color: Silver
  • material: Metal
  • compatible product: Chainsaw
  • country of origin: United States

shipping sawpancho:

  • carrier: USPS
  • transit: 5-12 Days
  • service: USPS Ground Advantage
  • type: Fixed
  • class: Standard
  • cost: $9.99

offer sawpancho:

  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • quantity: 1
  • started: March 5, 2026
  • best offers: True

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  • wallet: Google-pay

seller sawpancho:

  • # reviews: 2240
  • rating: 98.5%
  • city: Pecatonica, Illinois

returns sawpancho:

  • policy: No Returns

general sawpancho:

  • condition: Used
  • Yard, Garden Outdoor Living > Outdoor Power Equipment > Chainsaw Parts
compatible brand: for mcculloch, engine type: 2-stroke, type: carburetor, power source: gasoline, assembly required: yes, compatible product: chainsaw, country of origin: united states,
category: home & garden > yard, garden outdoor living > outdoor power equipment > chainsaw parts, color: silver, material: metal, sku: 10905361138529771,

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  • Offer #1: $38.95 price + $0.00 shipping estimate = $38.95* total. Tecumseh Power Product Type Numbers Power Saw Model 700. You are purchasing a Tillotson Repair Kit.FREE SHIPPING

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