fits model: Std. make: Mercury. year: 1990.

( Manufacturer Part Number: 7748600 ), ( Part Type: Hp Piston Rod )
The Mercury 7748600 50-60-90-115 HP 2-stroke outboard engine is a powerful and reliable marine propulsion system designed for serious boaters. This 2-stroke engine is available in a variety of horsepower options, ranging from 50 HP to 115 HP, ensuring that you have the right amount of power for your specific boating needs.
The engine features a standard piston connecting rod, which is made of high-quality materials and engineered to deliver optimal performance and durability. The connecting rod is designed to withstand the rigors of marine use, providing smooth and efficient operation even in the harshest of conditions.
The Mercury 7748600 50-60-90-115 HP 2-stroke outboard engine is also equipped with a 2-stroke design, which means that it requires a mixture of fuel and oil to operate. This design offers several benefits, including reduced weight, easier starting, and improved power-to-weight ratio compared to 4-stroke engines.
The engine's 2.875-inch standard piston connecting rod is made of high-strength materials and is engineered to provide optimal performance and durability. The rod is designed to withstand the rigors of marine use, providing smooth and efficient operation even in the harshest of conditions.
The Mercury 7748600 50-60-90-115 HP 2-stroke outboard engine is also equipped with a variety of advanced features, including electronic fuel injection, which ensures precise fuel delivery for maximum efficiency and performance. The engine also features an advanced cooling system, which helps to keep the engine running cool and operating at peak efficiency.
Overall, the Mercury 7748600 50-60-90-115 HP 2-stroke outboard engine is a powerful and reliable marine propulsion system that is perfect for serious boaters. With its advanced features, high-quality materials, and durable design, this engine is built to last and deliver years of reliable performance on the water.
Pros of buying a Mercury 7748600 50-60-90-115 HP 2-Stroke Outboard:1. Powerful: With a range of horsepower options from 50 to 115, this outboard engine is suitable for various watercraft and can handle different water conditions.
2. Lightweight: The 2-stroke engine design makes it lighter than its 4-stroke counterparts, which can improve fuel efficiency and make it easier to maneuver.
3. Versatile: This outboard engine can be used in a variety of watercraft, including boats, jet skis, and personal watercraft.
4. Reliable: Mercury is a well-known and trusted brand in the marine industry, and this engine is equipped with features such as a corrosion-resistant aluminum alloy housing and a durable lower unit, which can ensure long-term reliability.
Cons of buying a Mercury 7748600 50-60-90-115 HP 2-Stroke Outboard:1. Maintenance required: 2-stroke engines require more frequent maintenance than 4-stroke engines, such as regular oil changes and mixing fuel with oil.
2. Emissions: 2-stroke engines are known for their high emissions, which can be harmful to the environment and may be subject to regulatory restrictions in some areas.
3. Noise level: 2-stroke engines can be louder than 4-stroke engines, which may be a consideration if you are planning to use your watercraft in a quiet area or for extended periods of time.
Conclusion:The Mercury 7748600 50-60-90-115 HP 2-Stroke Outboard engine is a powerful and versatile option for various watercraft, thanks to its range of horsepower options and lightweight design. However, it requires more frequent maintenance and produces higher emissions compared to 4-stroke engines. If you are willing to put in the necessary maintenance and are not concerned about emissions, this engine could be a good option for you.
Recommendation:If you are looking for a powerful and lightweight outboard engine, the Mercury 7748600 50-60-90-115 HP 2-Stroke Outboard could be a good fit. However, it is important to consider the maintenance requirements and emissions before making a purchase. If you are looking for a more eco-friendly option or are concerned about noise levels, you may want to consider a 4-stroke engine instead.
Pulled from a 1979 Mercury 90 hp il6 $25 for each piston.