SFM-2

The Stromberg SFM-2 Updraft Marine Carburetor is a high-performance, fuel-efficient solution for your marine application. This carburetor is designed with a unique updraft design that draws in air and fuel from the top, ensuring an optimal air-fuel mixture for a more complete combustion process. This results in improved engine performance, smoother idling, and better fuel economy.

The SFM-2 is constructed from corrosion-resistant materials, including a brass body and stainless steel floats and needles, making it an ideal choice for the harsh marine environment. It features a dual-element air cleaner element that can be easily accessed and replaced, ensuring that the carburetor always receives clean air for optimal performance.

The carburetor is also equipped with a manual choke system that makes it easy to start your engine in cold conditions. It has a vacuum secondary circuit, which provides an additional fuel enrichment during acceleration, ensuring a powerful and responsive engine.

The SFM-2 Updraft Marine Carburetor is suitable for a wide range of marine applications, including outboard motors, inboard engines, and even some industrial applications. It comes with a full set of hardware, including mounting brackets, gaskets, and necessary bolts, making the installation process straightforward and hassle-free.

In summary, the Stromberg SFM-2 Updraft Marine Carburetor is a high-quality, reliable, and efficient solution for your marine fuel system needs. Its unique updraft design, corrosion-resistant construction, and easy-to-install features make it an excellent choice for marine enthusiasts and professionals alike.

The Stromberg SFM-2 updraft marine carburetor is a popular choice for marine applications due to its reliable performance and classic design. However, like any other carburetor, it comes with its own set of advantages and disadvantages.

1. Reliability: Stromberg carburetors have a reputation for being durable and long-lasting. The SFM-2 model is no exception, as it is designed to withstand the harsh marine environment.

2. Easy to Use: The SFM-2 carburetor is known for its simplicity and ease of use. It features a single lever choke and a simple adjustment system, making it a popular choice for boat owners who prefer a straightforward design.

3. Fuel Efficiency: Updraft carburetors like the SFM-2 are known to provide better fuel efficiency compared to downdraft carburetors. This can help boat owners save money on fuel costs in the long run.

4. Smooth Idle: The SFM-2 carburetor provides a smooth idle, which is crucial for marine applications where a stable engine is important for safe operation.

1. Complex Installation: Installing the SFM-2 carburetor can be a complex process, especially for those who are not experienced in marine engine tuning. It may require some time and expertise to get the carburetor set up correctly.

2. Limited Power Output: Compared to modern fuel-injected marine engines, the SFM-2 carburetor may not provide the same level of power output. This could be a disadvantage for boat owners who require high horsepower for water sports or commercial applications.

3. Carburetor Icing: In cold weather conditions, the SFM-2 carburetor can be prone to icing, which can affect engine performance. This may require the use of heating elements or other anti-icing measures to prevent icing.

The Stromberg SFM-2 updraft marine carburetor offers several advantages, including reliability, ease of use, fuel efficiency, and smooth idle. However, it also comes with some disadvantages, such as complex installation, limited power output, and carburetor icing.

If you are looking for a reliable and straightforward marine carburetor, the Stromberg SFM-2 updraft carburetor may be a good choice for you. It is well-suited for small to medium-sized boats that don't require high horsepower. However, if you need a more powerful engine or prefer a simpler installation process, you may want to consider other options, such as fuel-injected systems or easier-to-install carburetors. Ultimately, the decision depends on your specific boating needs and preferences.

Details:

This will also fit other automotive, truck and industrial applications. Stamped SFM-2, this a universal Marine application unit, measures 2 3/4 to mounting. Rebuilt with patina, clean and complete. For sale is a rebuilt Stromberg 1-barrel updraft carburetor.

specifications inboardfuel:

• for models: Marine
• brand: Stromberg
• mpn: Sfm-2
• part type: Carburetor

shipping inboardfuel:

• service: usps ground advantage
• carrier: usps
• transit: 4-10 days
• class: standard
• type: fixed

general inboardfuel:

• category: Boat Parts > Inboard Engines Components > Intake Fuel Systems

payments inboardfuel:

• credit card: visa
• wallet: apple-pay
• other

seller inboardfuel:

• rating: 97.5%
• city: waretown, new jersey
• # reviews: 745

returns inboardfuel:

• policy: no returns

offer inboardfuel:

• price: $349.99
• item condition: Remanufactured
• availability: in stock
• sold #: 7
• in stock #: 1
• started: february 8, 2026
• options: ship-to-home