Mercury Sport Jet 120

The Mercury Sport Jet 120 is a powerful, reliable and highly efficient outboard motor designed by Mercury Marine. It is a perfect choice for powering small boats, inflatables, and jet skis. This outboard motor is equipped with a two-cylinder, two-stroke engine, and it is capable of producing up to 120 horsepower. It is also equipped with a digitally controlled fuel-injection system that helps ensure efficient fuel consumption and performance. The Sport Jet 120 is constructed from marine-grade materials, making it highly durable and resistant to corrosion. This outboard motor is designed to be easy to use and maintain, making it a great choice for recreational and commercial boaters.

Overview of the Mercury Sport Jet 120

The Mercury Sport Jet 120 is a reliable, efficient and powerful watercraft engine that provides excellent performance on the water. This engine utilizes advanced technology to provide superior acceleration, maneuverability, and fuel economy. This engine is designed and manufactured for optimal performance, as it is capable of reaching speeds of up to 90 MPH and can tow up to 2500 lbs. The Sport Jet 120 is perfect for recreational activities such as wakeboarding, skiing, and tubing. It also features a unique jet propulsion system that allows for superior maneuverability and quick starts. Additionally, this engine is designed to be durable and is equipped with a stainless steel impeller that is corrosion-resistant. This engine is also designed with a standard wiring harness and a 12-volt electrical system, making it easy to install and maintain. The Mercury Sport Jet 120 is a reliable and powerful watercraft engine that provides superior performance and is perfect for a variety of recreational activities.

Performance and Specifications

When it comes to the Mercury Sport Jet 120, performance and specifications are equally important and go hand in hand. This powerful outboard motor offers superior power and performance that is unrivaled in the industry. It is equipped with a fuel-efficient V-6 engine that produces up to 120 horsepower and has a top speed of over 50 miles per hour. The motor is also capable of a maximum acceleration rate of 0-30 mph in just under five seconds. In addition, the Mercury Jet 120 is designed with a patented water jet propulsion system that provides better performance in shallow waters, and the motor is also equipped with an integrated cooling system that keeps it running efficiently and safely. With its cutting-edge technology and reliable performance, the Mercury Sport Jet 120 is an ideal engine for both recreational and commercial use.

Advantages of the Sport Jet 120

When it comes to recreational boating, the Mercury Sport Jet 120 is a popular choice. Boaters love its efficient performance, lightweight design, and easy maneuverability. With its impressive power-to-weight ratio, the Sport Jet 120 is ideal for waterskiing, wakeboarding, tubing, and other watersports. It also has a variety of features that make it an attractive choice for recreational boaters.

The Mercury Sport Jet 120 is designed to provide maximum control and maneuverability in shallow waters, making it perfect for navigating rivers and other shallow bodies of water. Its efficient power-to-weight ratio makes it easy to get up on plane quickly and requires less fuel to maintain speed. Additionally, its lightweight design makes it easy to transport and launch, and its low-maintenance design requires minimal upkeep.

The Sport Jet 120 is also equipped with additional features that recreational boaters love. It has a powerful engine that produces a robust torque and offers a smooth and quiet ride. Its intuitive joystick control system makes it easy to control, even in the most challenging conditions. It also features an advanced onboard control system that allows boaters to manage engine speed, trim, and other settings with ease.

Overall, the Mercury Sport Jet 120 has a variety of features that make it an attractive choice for recreational boaters. Its efficient power-to-weight ratio, lightweight design, and intuitive joystick control system make it a powerful, maneuverable, and easy-to-use boat for watersports and other recreational activities. It is also reliable, low-maintenance, and provides a quiet and enjoyable ride.

Mercury Sport Jet 120 flushing: doesn
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Maintenance and Troubleshooting

When it comes to owning a Mercury Sport Jet 120, maintenance and troubleshooting are important tasks that shouldn’t be overlooked. In order to keep your Sport Jet 120 running smoothly and safely, it’s important to understand the underlying principles that govern its operation and be able to anticipate and address potential issues. Failing to maintain and troubleshoot your Sport Jet 120 can lead to costly repairs down the line, or even worse, a dangerous situation.

Fortunately, with the right knowledge and tools, you can easily maintain and troubleshoot your Sport Jet 120. Regular maintenance should include a thorough inspection of the engine, checking the spark plugs, and checking the fuel and air filters. You should also clean the engine and wet-test the spark plugs to ensure the engine isn’t running too cold or too hot. Additionally, you should check the oil level and change the oil regularly.

When it comes to troubleshooting, it’s important to have a basic understanding of the engine and its components. Common issues include a faulty spark plug, a weak fuel supply, an air leak, or a clogged fuel filter. If you suspect any of these problems, you should take appropriate action to resolve the issue.

By following these steps, you can help ensure that your Mercury Sport Jet 120 remains in good working condition for years to come. Regular maintenance and troubleshooting can save you time and money, and help you enjoy your boat for years to come.

Accessories and Upgrades

When it comes to outfitting your Mercury Sport Jet 120 for the best performance, accessories and upgrades are key. Not only do they enhance the engine’s performance, but they also add a bit of style and comfort to your rides. Whether you’re looking for better fuel efficiency, improved handling, or improved comfort, there are plenty of upgrades and accessories to choose from.

When it comes to engine performance, you can equip your Sport Jet 120 with new spark plugs, oil filters, and air filters, to ensure you get the most performance out of your engine. You can also upgrade your exhaust system to increase torque and power output. Additionally, you can install an aftermarket ECU upgrade to further improve engine performance.

If you’re looking for improved handling, there are plenty of upgrades available, including hydraulic steering kits, adjustable suspension kits, and adjustable ride height kits. Other upgrades include aftermarket propellers and hull shape modifications to reduce drag and increase top speed.

In terms of comfort, you can choose from a variety of accessories to make your rides more enjoyable. You can install a sound system to enjoy your favorite music while out on the water, or you can equip your Sport Jet 120 with a light kit to increase visibility while navigating in dark conditions. You can also add a cooling system to keep your engine running optimally, and you can even install a waterproof cover to keep your boat safe when not in use.

No matter what style of boating you prefer, there are plenty of accessories and upgrades available to make your Sport Jet 120 the ultimate ride. From improved performance to improved comfort, these upgrades and accessories will take your boating experience to the next level.


The Mercury Sport Jet 120 is an ideal choice for boaters who are looking for a reliable jet boat that is both powerful and fuel-efficient. This sport jet offers a great combination of power and performance, allowing you to enjoy a thrilling ride on the water. With its robust design and advanced features, the Mercury Sport Jet 120 is sure to last for years to come. The boat’s powerful engine and responsive handling also make it easy to maneuver, giving you a fun and comfortable experience on the water. Whether you’re an experienced boater or just starting out, the Mercury Sport Jet 120 is sure to exceed your expectations.

FAQs About the Mercury Sport Jet 120

Q: What type of motor does the Mercury Sport Jet 120 have?
A: The Mercury Sport Jet 120 is powered by a 2-stroke, 120 hp, V6 Mercury Marine engine.

Q: Does the Mercury Sport Jet 120 come with a warranty?
A: Yes, the Mercury Sport Jet 120 comes with a one-year limited warranty for parts and labor.

Q: Is the Mercury Sport Jet 120 compatible with other Mercury Marine accessories?
A: Yes, the Mercury Sport Jet 120 is compatible with other Mercury Marine accessories such as propellers, fuel tanks, and control systems.


The Mercury Sport Jet 120 is an impressive engine that offers incredible performance and reliability. It has a powerful and efficient design, making it an ideal choice for those looking for a powerful engine for their watercraft. With its impressive power and fuel economy, the Mercury Sport Jet 120 is an excellent choice for any boater looking to maximize their performance on the water.

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