fits make: Mercury. year: 1988–1990.

( Manufacturer Part Number: 8712A43 ), ( Part Type: Hp Cylinder Block ), ( Country Of Manufacture: United States ), ( Surface Finish: N/a ), ( Warranty: 30 Days ), ( Color: Black )
The 1988-1990 Freshwater Mercury 1-2 Cylinder Block Powerhead, model 8712A43, is a powerful and reliable marine engine component that delivers an impressive 150 horsepower. This engine block is a testament to Mercury's commitment to quality and performance, designed to meet the demands of high-performance boats and watercraft.
The 8712A43 powerhead features a robust 1-2 cylinder configuration, which is a unique and efficient design that provides excellent power output while maintaining a compact footprint. The block is made of high-quality materials, including cast iron, which ensures durability and resistance to corrosion, even in the harsh marine environment.
The powerhead is equipped with a 4-stroke, single-overhead cam (SOHC) valve train system, which provides smooth and efficient operation. This design allows for precise valve timing and optimal combustion, resulting in improved fuel efficiency and reduced emissions.
The 150 HP rating of the 8712A43 powerhead is achieved through a high-compression, twin-carburetor induction system. This system delivers a generous amount of fuel and air to the cylinders, allowing for powerful and responsive acceleration. The engine is also equipped with electronic ignition, which provides reliable and precise spark timing for optimal engine performance.
The 8712A43 powerhead is also designed for easy installation and maintenance. It features a bolt-on design, which allows for quick and simple removal and replacement of the engine block. The engine is also equipped with easily accessible service points, such as the oil filter and spark plugs, making routine maintenance a breeze.
In summary, the 1988-1990 Freshwater Mercury 1-2 Cylinder Block Powerhead, model 8712A43, is a high-performance, reliable, and easy-to-maintain engine component that is perfect for high-performance boats and watercraft. With its powerful 150 HP output, compact design, and durable construction, this engine block is a great choice for boat enthusiasts who demand the best in performance and reliability.
Pros of buying a 1988-1990 Freshwater Mercury 1-2 cylinder block powerhead 8712a43 150 HP:1. Power: With a 150 HP, this engine is powerful enough for most freshwater applications such as fishing, water sports, and general boating.
2. Reliability: Mercury engines have a reputation for being reliable and durable. The 8712a43 series has been in production for several decades, and many are still in use today.
3. Availability of Parts: As a popular engine, replacement parts are readily available and relatively affordable.
4. Ease of Maintenance: The two-cylinder design is simpler than four or six-cylinder engines, making it easier to maintain and repair.
Cons of buying a 1988-1990 Freshwater Mercury 1-2 cylinder block powerhead 8712a43 150 HP:1. Age: The engine is over 30 years old, and while it may still be in good working order, it may require more frequent maintenance and repairs than a newer engine.
2. Fuel Efficiency: Compared to modern engines, the 8712a43 may not be as fuel-efficient.
3. Limited Upgrade Options: As an older engine, there may be limited options for upgrading or modifying it to increase performance or add features.
4. Resale Value: The resale value of an older engine may be lower than that of a newer engine, making it a less attractive investment for some.
Conclusion:The 1988-1990 Freshwater Mercury 1-2 cylinder block powerhead 8712a43 150 HP is a reliable and powerful engine that is well-suited for freshwater applications. While it may be older and less fuel-efficient than modern engines, its availability of parts and ease of maintenance make it a practical option for many boaters. Ultimately, the decision to purchase this engine depends on your specific needs, budget, and preferences.
Recommendation:If you are looking for a reliable and powerful engine for freshwater applications and are willing to invest in regular maintenance, the 1988-1990 Freshwater Mercury 1-2 cylinder block powerhead 8712a43 150 HP is a good choice. However, if you are looking for a more fuel-efficient or upgradeable engine, you may want to consider a newer option.
There is no rust or signs of ever being used in saltwater.
Your satisfaction is important to us, and you'll see that throughout the process of order.
This was removed from a 1988 1989 Mercury 150 hex-4 magnum ii engine.
This is a nice clean part.
It would make a great replacement for your outboard.
The item you are looking at is guaranteed to be described, pictured, and cross-referenced correctly.