fits make: Mercury. year: 1975.

( Part Type: 5hp Motor Carburetor ), ( Manufacturer Part Number: 1364-5645A1 )
The Mercury 1364-5645A1 Carburetor is an essential component of Mercury's 7.5 HP 1975 outboard motor. This carburetor, specifically modeled as 1364-4910A, is a vital element that ensures the efficient combustion of fuel in the engine.
The design of this carburetor is characterized by its round, polished metal body, which not only adds to the motor's aesthetic appeal but also provides a robust and durable construction. Measuring approximately 7.5 inches in length, 5 inches in width, and 4 inches in height, this carburetor is compact yet effective in delivering the necessary fuel mixture to the engine.
The Mercury 1364-5645A1 Carburetor features a venturi design, which is responsible for the creation of a partial vacuum that draws fuel into the engine's intake system. This vacuum is generated as the engine's intake valve opens, and the carburetor's needle and seat assembly adjust the fuel flow rate based on the engine load and RPM.
This carburetor comes with an integrated choke system that facilitates easy starting in cold conditions. The choke lever, located on the side of the carburetor, can be engaged to enrich the fuel mixture and provide a consistent and reliable start.
The Mercury 1364-5645A1 Carburetor's float bowls are designed to maintain a consistent fuel level, ensuring a steady fuel supply to the engine. The float bowls are made of a durable plastic material and are easily accessible for cleaning or servicing.
The carburetor's idle mixture screws allow fine-tuning of the engine's idle RPM and overall performance. These screws can be adjusted using a screwdriver, enabling users to optimize the carburetor's settings for their specific application and operating conditions.
Lastly, the Mercury 1364-5645A1 Carburetor is designed with ease of installation in mind. It comes with a mounting flange that attaches to the engine, making the installation process straightforward and hassle-free. Additionally, the carburetor is compatible with a wide range of Mercury outboard motors, providing versatility and flexibility for boat owners.
In summary, the Mercury 1364-5645A1 Carburetor is a crucial and effective component of Mercury's 7.5 HP 1975 outboard motor. Its robust construction, venturi design, integrated choke system, and ease of installation make it an ideal choice for boat enthusiasts seeking a reliable and efficient carburetor for their watercraft.
The Mercury 1364-5645A1 carburetor is a component of the Mercury 7.5 HP outboard motor. This analysis aims to provide a detailed examination of the pros and cons of purchasing this specific carburetor.
Pros:1. Proven Performance: Mercury is a well-known brand in the marine industry, and their products are renowned for their reliability and durability. This carburetor is designed to deliver consistent performance on the water.
2. Easy Installation: The 1364-5645A1 carburetor is a direct replacement for older Mercury outboard models. This means that the installation process is generally straightforward and can be completed with minimal effort.
3. Fuel Efficiency: A well-functioning carburetor can help improve fuel efficiency. Properly adjusting the carburetor can help ensure that the engine receives the optimal fuel-air mixture, reducing fuel consumption.
4. Availability: Mercury parts are widely available at marine supply stores and online retailers. This ensures that customers can easily obtain the necessary components for their outboard engine.
Cons:1. Complexity: Carburetors can be complex systems to understand and maintain. Adjusting the carburetor to optimize engine performance may require some technical knowledge and experience.
2. Wear and Tear: Over time, the parts within the carburetor can wear out, requiring replacement. Regular maintenance is essential to prolong the life of the carburetor.
3. Cost: Replacing a carburetor can be a significant expense, especially for older models. The cost of the carburetor itself, along with potential labor costs, can add up.
4. Vulnerability to Water Damage: Carburetors are susceptible to water damage, which can lead to costly repairs. Properly winterizing the outboard motor and storing it indoors during off-season months can help mitigate this risk.
Conclusion:The Mercury 1364-5645A1 carburetor offers several advantages, including proven performance, ease of installation, and fuel efficiency. However, it also comes with some challenges, such as complexity, wear and tear, cost, and vulnerability to water damage.
Recommendation:If you are in need of a new carburetor for your Mercury 7.5 HP outboard motor, the 1364-5645A1 is a reliable choice. However, it is essential to consider the potential costs and complexities associated with this component. Properly maintaining the carburetor and ensuring that it is installed correctly can help minimize the risks and maximize the benefits. If you are unsure about the installation process or have limited technical expertise, it may be worth considering hiring a professional to complete the work.
Everything works on it and moves as should. Outside of carburetors a little dirty and needs clean to your standards. Bowl looks almost brand new inside. Very clean inside the bowl.
Not sure if this was recently rebuilt.