fits model: Mercruiser. make: Rochester, Mercury. year: 1985-89.

( Brand: Mercury ), ( Manufacturer Part Number: 1347-9142A2 ), ( Part Type: Sterndrive Carburetor )
The Mercury 1347-9142A2 Quadrajet Barrel Carburetor is a high-performance marine carburetor designed specifically for the MerCruiser 3.7LX Sterndrive. This carburetor is part of the Rochester Quadrajet series, which is known for its ability to deliver excellent fuel economy and powerful engine performance.
The Mercury 1347-9142A2 Quadrajet Carburetor features a quad-barrel design, which allows for multiple fuel jets to provide precise fuel delivery to each cylinder. Each barrel is equipped with an individual float bowls and jet circuits, ensuring optimal fuel mixture for each cylinder. This design leads to improved idle stability, better throttle response, and increased power output.
The carburetor also includes a built-in air cleaner assembly with a large, replaceable paper element. This helps to ensure that the engine receives clean air, which is critical for optimal performance and longevity. Additionally, the carburetor is equipped with a vacuum secondary system, which provides an extra boost of fuel during acceleration, ensuring smooth and powerful engine response.
The Mercury 1347-9142A2 Quadrajet Carburetor is constructed from high-quality materials and is designed to withstand the rigors of marine use. The body is made from cast aluminum, which is both lightweight and durable, while the carburetor components are made from corrosion-resistant materials. The carburetor is also equipped with various seals and gaskets to prevent fuel leaks and ensure a tight seal.
Installation of the Mercury 1347-9142A2 Quadrajet Carburetor is relatively straightforward, as it is designed to replace the factory-installed carburetor on MerCruiser 3.7LX Sterndrive engines. The carburetor comes with all necessary mounting hardware, and the installation process is outlined in the included installation manual.
In summary, the Mercury 1347-9142A2 Quadrajet Barrel Carburetor is a high-performance marine carburetor designed specifically for the MerCruiser 3.7LX Sterndrive. Its quad-barrel design ensures precise fuel delivery to each cylinder, while the vacuum secondary system provides an extra boost of fuel during acceleration. The carburetor is constructed from high-quality materials and is designed to withstand the rigors of marine use. With its ability to deliver excellent fuel economy and powerful engine performance, the Mercury 1347-9142A2 Quadrajet Carburetor is an excellent choice for boat owners looking to maximize the performance of their MerCruiser engine.
The Mercury 1347-9142A2 3.7LX sterndrive with a quadrajet barrel carburetor is a popular choice among boat owners due to its reliability and power. In this analysis, we will discuss the pros and cons of this engine to help you make an informed decision.
Pros:1. Power: The Mercury 3.7LX engine delivers impressive power, making it suitable for larger boats or those with heavy loads. Its quadrajet barrel carburetor ensures optimal fuel delivery, resulting in efficient combustion and better performance.
2. Fuel Efficiency: Compared to other engines in its class, the Mercury 3.7LX is relatively fuel-efficient. This is a significant advantage for boat owners, as fuel costs can add up quickly.
3. Durability: Known for its robustness, the Mercury 3.7LX engine is built to withstand the rigors of marine use. Its materials are resistant to corrosion, and the engine's design ensures long-lasting performance.
4. Versatility: The Mercury 3.7LX engine can be used with various boat types, including pontoons, runabouts, and cruisers. Moreover, it is compatible with a wide range of propellers, allowing boat owners to customize their boat's speed and handling characteristics.
Cons:1. Complexity: The Mercury 3.7LX engine, with its quadrajet barrel carburetor, is more complex than some other engines. This complexity can lead to increased maintenance costs and the need for specialized repair services.
2. Emissions: Older models of the Mercury 3.7LX engine do not meet modern emissions standards. This may limit their availability in certain regions or require the installation of aftermarket emission control systems.
3. Weight: The Mercury 3.7LX engine is heavier than some other options in its class. This additional weight may impact a boat's performance and fuel efficiency.
Conclusion:The Mercury 1347-9142A2 3.7LX sterndrive with a quadrajet barrel carburetor offers impressive power, fuel efficiency, and durability. However, its complexity, weight, and potential emissions issues are important considerations. If you prioritize power and versatility, this engine might be an excellent choice for your boat. However, if you prefer a simpler, more lightweight engine or one that meets modern emissions standards, you may want to explore other options.
Recommendation:If you are looking for a powerful, efficient, and durable engine for your boat, the Mercury 1347-9142A2 3.7LX sterndrive with a quadrajet barrel carburetor is a solid choice. However, be prepared for the added complexity and potential maintenance costs. Consider your specific boating needs, budget, and preferences before making your final decision.
Notes: Untested for parts only. MPN: 1347-9142A2. Year: 1985 -89. Casting Number: 17083522.
Condition: For Parts or Not Working. Brand: Mercury. It is not gummed up. Horse Power: 3.7L 190HP, 3.7LX.