fits model: 110. make: Mercury. year: 1965-73–1975.

( Manufacturer Part Number: KB11A-KB12A ), ( Part Type: Hp Carburetor ), ( Warranty: 30 Days ), ( Color: Silver ), ( Country/region Of Manufacture: United States )
The Mercury KB-11A, KB12A, and KB11A carburetors are iconic components of the 1965-1973 Mercury engines, specifically the 7.5, 75, 9.8, and 110 horsepower variants. These carburetors are renowned for their durability, reliability, and performance, making them a favorite among classic car enthusiasts and restoration specialists.
The Mercury KB-11A and KB12A carburetors share a similar design, with the KB12A featuring a larger primary and secondary venturi for increased fuel flow and power output. Both carburetors feature a unique venturi design, with a wide primary and narrow secondary, which helps to provide a smooth and efficient fuel/air mixture for optimal combustion.
The KB-11A and KB12A carburetors feature a multi-jet secondary system, which allows for precise fuel delivery and fine-tuning of the engine's performance. This system includes four secondary jet sizes, which can be easily adjusted to accommodate different atmospheric conditions, altitudes, and engine modifications.
The Mercury KB-11A and KB12A carburetors also feature a built-in choke mechanism, which helps to ensure easy starting in cold weather. The choke lever is conveniently located on the side of the carburetor, making it easy to operate.
The KB11A carburetor is designed for use with Mercury engines that produce up to 110 horsepower, while the KB12A is suitable for engines with a higher power output. Both carburetors are constructed from high-quality materials, including cast aluminum and brass, which ensures durability and long-term performance.
In summary, the Mercury KB-11A, KB12A, and KB11A carburetors are essential components of the 1965-1973 Mercury engines. They are renowned for their reliability, performance, and ease of tuning, making them a popular choice among classic car enthusiasts and restoration specialists. Whether you're looking to restore a classic Mercury or simply want to upgrade your engine's fuel delivery system, these carburetors are a great choice.
Pros of buying a 1965-73 Mercury carburetor (KB-11A, KB12A, KB11A):1. Authenticity: These carburetors are original parts for Mercury engines from the mid-60s to early 70s, which may appeal to collectors or enthusiasts of classic cars.
2. Wide Compatibility: They can be used on various Mercury models with 7.5, 75, 9.8, and 110 hp engines, expanding your potential customer base.
3. Reliability: They are known for their durability and performance, ensuring smooth engine operation.
4. Availability: These carburetors are relatively easy to find on the second-hand market, making them an accessible option for many.
Cons of buying a 1965-73 Mercury carburetor (KB-11A, KB12A, KB11A):1. Limited Modern Upgrades: Older carburetors like these may not offer the same level of fuel efficiency or advanced features found in newer models.
2. Difficulty in Repair and Maintenance: Older carburetors can be complex to repair and maintain, requiring specific tools and expertise.
3. Compatibility with Modern Fuel Types: These carburetors may not be compatible with modern, ethanol-blended fuels, which can lead to issues with engine performance or damage to the carburetor.
Conclusion:If you are a classic car enthusiast or collector, the 1965-73 Mercury carburetors (KB-11A, KB12A, KB11A) can be an attractive option due to their authenticity and compatibility with various Mercury models. However, consider the potential challenges in repair and maintenance, as well as compatibility with modern fuels, before making a purchase.
Recommendation:If you are looking for a carburetor for a classic Mercury car, these options are worth considering. However, ensure you have the necessary tools and expertise to repair and maintain the carburetor. Additionally, consider using a fuel additive to prevent issues with modern fuels. Overall, this can be a great investment for classic car enthusiasts, but it's important to consider the pros and cons before making a purchase.
Hp Mercury carburetor KB-11A KB12A.