fits model: Mariner. make: Mercury. year: 1986–1989.

( Manufacturer Part Number: 7563A12 ), ( Part Type: Carburetor Motor )
The 1986-1989 7563A12 bottom carburetor, specifically designed for the WH-35 135hp Mercury-Mariner motor with a model number 1083, is a crucial component of your engine's performance system. This carburetor, manufactured during the mid-80s, is a testament to Mercury's engineering expertise and commitment to delivering reliable and efficient power solutions.
This 7563A12 carburetor features a bottom-mounted design, which allows for easier access and maintenance compared to its top-mounted counterparts. The carburetor's body is constructed from high-quality materials, ensuring durability and resistance to corrosion, even in harsh marine environments.
The carburetor's primary function is to mix air and fuel in the proper proportions for efficient combustion within the engine cylinders. The 1986-1989 7563A12 carburetor is specifically calibrated for the WH-35 135hp Mercury-Mariner motor, ensuring optimal performance and fuel efficiency.
The carburetor features a venturi-style air intake, which allows for precise air-fuel mixture control. The venturi shape creates a vacuum, pulling in the correct amount of air and fuel for combustion. The carburetor also includes a choke mechanism, which allows for easy starting in cold weather conditions.
The 1986-1989 7563A12 bottom carburetor is a critical part of your Mercury-Mariner engine, and its proper maintenance is essential for maintaining optimal engine performance. Regular cleaning and inspection of the carburetor can help prevent the buildup of dirt and debris, ensuring consistent performance and fuel efficiency.
In conclusion, the 1986-1989 7563A12 bottom carburetor is a vital component of your WH-35 135hp Mercury-Mariner motor. Its durable construction, precise air-fuel mixture control, and easy maintenance make it an excellent choice for boat owners seeking reliable power and performance.
Pros of buying a 1986-1989 Mercury Mariner motor with a 7563A12 bottom carburetor, WH-35, and 135hp:1. Availability of parts: Since the Mariner is a popular model, you can easily find replacement parts for this motor.
2. Reliability: These motors have a good reputation for being reliable and long-lasting, especially if they have been well-maintained.
3. Power: With 135hp, the motor provides plenty of power for boating and other water activities.
Cons of buying a 1986-1989 Mercury Mariner motor with a 7563A12 bottom carburetor, WH-35, and 135hp:1. Age: The motor is relatively old, so it may require more frequent maintenance and repairs than a newer model.
2. Fuel efficiency: Older carbureted motors are generally less fuel-efficient than newer fuel-injected motors.
3. Emissions: Older carbureted motors may not meet current emissions standards, which could limit your options for where you can use the boat.
Conclusion: If you're looking for a reliable and powerful motor for your boat and you're not concerned about fuel efficiency or emissions, a 1986-1989 Mercury Mariner motor with a 7563A12 bottom carburetor, WH-35, and 135hp could be a good choice. However, if you prioritize fuel efficiency or emissions, you may want to consider a newer model with a fuel-injected engine.
Recommendation: Before making a purchase, it's a good idea to inspect the motor thoroughly to ensure that it's in good condition and has been well-maintained. You should also consider the cost of any repairs or upgrades that may be needed. Ultimately, the best choice will depend on your specific needs and priorities as a boat owner.
Please see included pictures. Part: 7563A12 bottom carburetor WH-35 obsolete.
Directly across from Lowe's and 84 lumber. May fit more model's condition: used but in good condition.
Fits various 135hp Mercury Mariner outboard motors.
Our mechanics suggest cleaning or rebuilding before use.