fits model: 300. make: Johnson, Evinrude. year: 1990–1991.



( Brand: Evinrude ), ( Part Type: Hp Manual ), ( Manufacturer Part Number: 507951 ), ( Country/region Of Manufacture: United States )
The Evinrude 507951 1991 EI Johnson Outboard is a powerful and reliable marine engine, specifically a 120 HP 300 model. This outboard motor is part of Evinrude's rich legacy of high-performance engines and is designed for serious boaters who demand the best in power, efficiency, and durability.
This Evinrude outboard features a 90-degree loop configuration, which provides excellent maneuverability and boosts performance in tight turns. The 120 HP engine delivers impressive power, making it well-suited for larger boats and high-speed applications. The 300 HP rating is a testament to its immense power capacity, capable of propelling even the heaviest of vessels with ease.
The Evinrude 507951 is equipped with a reliable two-stroke, direct fuel injection (DFI) engine, which ensures optimal fuel efficiency and reduced emissions. Direct fuel injection delivers fuel directly into the cylinder, eliminating the need for a carburetor and resulting in a leaner, cleaner burn. This engine design also significantly reduces maintenance requirements, as there are fewer parts to service or replace.
The outboard comes with a manual shift and throttle system, allowing for precise control over the engine's power output. This manual setup offers a more traditional boating experience, appealing to those who prefer a more hands-on approach to engine management.
The Evinrude 507951 1991 EI Johnson Outboard is built to withstand the rigors of marine use, featuring corrosion-resistant materials and a robust construction. Its heavy-duty materials and durable design ensure long-lasting performance, even in the most challenging marine environments.
In summary, the Evinrude 507951 1991 EI Johnson Outboard 120 HP 300 is a powerful, reliable, and efficient marine engine equipped with a 90-degree loop design, direct fuel injection, and a manual shift and throttle system. Its robust construction and corrosion-resistant materials ensure durability and long-lasting performance, making it an excellent choice for serious boaters.
Pros of buying a Evinrude 507951 1991 EI Johnson outboard 120 300 HP 90-loop manual:1. Power: With a 300 HP engine, this outboard motor provides significant power, making it suitable for larger boats and demanding water activities.
2. Durability: This motor has been in production for over 30 years, which indicates that Evinrude has built a reliable and durable product.
3. Manual operation: The manual operation feature allows for simpler maintenance and repair, as you can perform tasks without the need for specialized tools or dealer assistance.
4. Affordability: Older outboard motors, such as this 1991 Evinrude, can be more budget-friendly compared to newer models with similar power.
Cons of buying a Evinrude 507951 1991 EI Johnson outboard 120 300 HP 90-loop manual:1. Age and wear: Older outboard motors, such as this 1991 model, may have wear and tear that could require more frequent maintenance and repairs.
2. Limited technology: The manual operation and lack of advanced features could make this outboard motor less efficient and convenient compared to modern models with digital displays, electronic fuel injection, and other technological upgrades.
3. Availability of parts: Finding replacement parts for a 30-year-old motor can be challenging, as manufacturers may not continue to produce parts for discontinued models.
4. Limited warranty: Older outboard motors may not come with the same warranty coverage as newer models, leaving you potentially responsible for more of the repair costs.
Conclusion:The Evinrude 507951 1991 EI Johnson outboard 120 300 HP 90-loop manual offers substantial power and durability over three decades. However, its age and limited technology may lead to increased maintenance and repair costs, as well as difficulty in obtaining replacement parts. Ultimately, the decision to buy this outboard motor depends on your budget, desired power, and willingness to invest in its upkeep.
Recommendation:If you are looking for an affordable and powerful outboard motor for occasional use on a smaller or older boat, the Evinrude 507951 1991 EI Johnson outboard 120 300 HP 90-loop manual could be a suitable option. However, if you prefer newer technology, require more frequent use, or desire a longer warranty, you might want to consider a newer outboard motor with similar power.
1991 EI Johnson Evinrude outboard 507951 120 - 300 hp 90 Loop V factory manual.