fits make: Johnson, Omc. year: 1973.

( Brand: Omc ), ( Manufacturer Part Number: 0385851 ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Country/region Of Manufacture: United States )
The OMC 0385851 1973 Johnson carburetor is a crucial component of the fuel delivery system for various Johnson outboard marine engines produced in the year 1973. This carburetor, manufactured by Outboard Marine Corporation, is meticulously designed to ensure optimal engine performance under various operating conditions.
The OMC 0385851 carburetor boasts a unique, reliable design that features a single venturi barrel equipped with an automatic choke system. This automatic choke system facilitates easy starting, especially in cold weather conditions, by automatically enriching the fuel/air mixture for simpler engine ignition.
The carburetor's fuel delivery mechanism consists of a float-controlled system that maintains a consistent fuel level in the bowl. This ensures a steady fuel supply to the engine, ensuring smooth and efficient combustion. The bowl is designed with a large capacity to accommodate the fuel requirements of various engine sizes.
The OMC 0385851 1973 Johnson carburetor is equipped with an adjustable idle mixture control, which allows users to fine-tune the engine's idle speed and mixture for optimal performance. This control is conveniently located on the side of the carburetor for easy access and adjustment.
Additionally, the carburetor features an adjustable main jet, allowing users to make adjustments based on altitude, temperature, or engine size for optimal fuel delivery and engine performance. The jet is easily accessible, enabling users to make adjustments without the need for extensive disassembly.
The OMC 0385851 1973 Johnson carburetor is constructed of high-quality materials to ensure durability and longevity. The body is made of corrosion-resistant materials, while the internal components are made of hardened steel to resist wear and tear. The carburetor also features a durable diaphragm and a brass float to maintain consistent fuel delivery.
In summary, the OMC 0385851 1973 Johnson carburetor is an essential component of Johnson outboard marine engines that delivers reliable and efficient fuel delivery. Its automatic choke system, adjustable idle mixture control, and main jet adjustment capabilities make it a versatile and customizable option for various engine applications. The carburetor's durable construction ensures long-lasting performance, making it a popular choice among marine engine enthusiasts and operators.
The OMC 0385851 1973 Johnson carburetor is a common choice for those restoring or maintaining older outboard engines. Here are some pros and cons to consider before making a purchase:
Pros:1. Authenticity: This carburetor is an original part for Johnson outboard engines manufactured in 1973. Using an original part can help maintain the authenticity and value of your engine.
2. Availability: The OMC 0385851 is a widely used and manufactured carburetor, making it easily available from various sources.
3. Functionality: This carburetor is designed specifically for the 1973 Johnson outboard engines and should provide optimal performance and fuel efficiency.
4. Adjustability: The OMC 0385851 is known for its adjustability, allowing users to fine-tune the carburetor for various engine conditions and operating environments.
5. Cost-effective: In the long run, using an original part like the OMC 0385851 can save you money by preventing the need for costly repairs or replacements of inferior aftermarket parts.
Cons:1. Expense: Original parts can be more expensive than aftermarket alternatives. However, the investment may pay off in the long run with better performance and durability.
2. Availability: While the OMC 0385851 is widely available, it may take some time to locate a reliable source for purchasing this part.
3. Complexity: Carburetors can be complicated to adjust and maintain, especially for those without experience.
Conclusion:The OMC 0385851 1973 Johnson carburetor is an excellent choice for those seeking authenticity, functionality, and durability for their outboard engine. While it may be more expensive than aftermarket alternatives, the investment can pay off in the long run with better performance and peace of mind. However, it may take some time and effort to locate a reliable source for purchasing this part and to learn how to properly adjust and maintain it.
Recommendation:If you're in the market for a new carburetor for your 1973 Johnson outboard engine, we recommend considering the OMC 0385851 as a top choice. While it may require some investment and effort, the benefits of using an original part can outweigh the costs in the long run. We suggest researching reputable suppliers and consulting resources or experts for assistance with installation and adjustment.
Used 1973 Johnson 65 hp carburetor set, top middle bottom and all original throttle linkage.