fits year: 1982–1989.

( Brand: Mariner ), ( Manufacturer Part Number: 7987M ), ( Part Type: Flywheel Engine )
The 1978-1980 Flywheel 7987M Mariner 1982-1989 40HP Outboard Engine is a powerful and reliable marine propulsion system, designed for use in a variety of watercraft. This engine is a testament to the Mariner's commitment to providing high-quality, durable outboard engines.
The 40HP engine features a two-stroke, direct-injection, air-cooled design, which delivers impressive power and torque, making it ideal for mid-sized boats and vessels. The 7987M flywheel is a crucial component of the engine, ensuring smooth and consistent power delivery.
The engine is equipped with a high-compression piston design, which increases fuel efficiency and power output. It also features a single-carburetor fuel system, which provides a precise fuel-air mixture for optimal combustion. The engine's two-cycle design allows for easy oil injection, ensuring proper lubrication of the engine's moving parts.
The 40HP Mariner engine is known for its simplicity and ease of maintenance. It has a easily removable cowling, allowing for easy access to the engine's components. The engine's carburetor is also easily adjustable, making it easy to fine-tune for optimal performance.
The engine's ergonomic design includes a comfortable grip handle and a well-placed throttle control, making it easy to operate. The engine also features a built-in ignition system, eliminating the need for a separate ignition coil.
In terms of durability, the 40HP Mariner engine is built to last. It has a corrosion-resistant aluminum alloy cylinder block and a rugged cast-iron crankshaft, ensuring long-term reliability. The engine's gearcase is also made of durable materials, with a heavy-duty propeller shaft and a sturdy lower unit.
Overall, the 1978-1980 Flywheel 7987M Mariner 1982-1989 40HP Outboard Engine is a powerful and reliable engine that is easy to maintain and operate. Its durable design and impressive power output make it an excellent choice for mid-sized boats and vessels.
Pros of buying a 1982-1989 Mariner 40hp outboard engine (Model 976):1. Reliability: Known for their durability and reliability, Mariner outboard engines have a good reputation in the boating community. The 40hp model from the 1980s is no exception.
2. Availability of Parts: With a long production run, replacement parts for this engine are easy to find, which can save you money in the long run.
3. Power and Performance: The 40hp engine provides adequate power for most recreational boating activities, such as fishing, water skiing, and cruising.
4. Ease of Maintenance: The 976 model is known for its simplicity and ease of maintenance, which can save you time and money.
Cons of buying a 1982-1989 Mariner 40hp outboard engine (Model 976):1. Age: The engine is over 30 years old, which means it may have some wear and tear. Regular maintenance and inspections are important to ensure the engine's longevity.
2. Fuel Efficiency: Older outboard engines are generally less fuel-efficient than newer models, which can be a drawback for those who boat frequently.
3. Technology: The 1980s engine may not have some of the modern features found in newer models, such as digital displays, electronic fuel injection, and advanced ignition systems.
Conclusion:The 1982-1989 Mariner 40hp outboard engine (Model 976) is a reliable and durable option with a good availability of replacement parts. Its power and ease of maintenance make it a popular choice for recreational boating. However, its age and less fuel-efficient design are drawbacks that should be considered. If you are looking for a reliable and cost-effective option, this engine may be a good choice for you. If you value modern features and fuel efficiency, you may want to consider a newer model.
Recommendation:If you are in the market for a used outboard engine, the 1982-1989 Mariner 40hp outboard engine (Model 976) is a solid choice. However, it is important to thoroughly inspect the engine before purchasing to ensure it is in good condition. You may also want to consider having a mechanic perform a pre-purchase inspection to identify any potential issues. With proper maintenance, this engine can provide years of reliable and enjoyable boating.
Fits various Mariner 40hp outboard engines.
Directly across from Lowe's and 84 lumber. May fit other model's please do your research to make sure this item fits application condition: used in great condition.
Part: flywheel assay 7987M.