M15.5 MARINER Jet Ski Steel Impeller JS550 Js Kawasaki

Review MARINER Kawasaki Jet Ski 15.5 Stainless Steel Impeller for KAWASAKI JS550 JS 550 SS 1982–1989

Introducing the Mariner M15.5, an essential replacement impeller for Kawasaki Jet Ski JS550 models produced between 1982 and 1989. This impeller, manufactured by Mariner, is specifically designed to fit the Kawasaki Jet Ski JS550 with the model number JS550 and 15.5-inch steel impeller.

The Mariner M15.5 impeller is meticulously crafted to ensure optimal performance for your Jet Ski. Its steel construction guarantees durability and resistance to harsh marine conditions. The impeller's 15.5-inch size is perfect for the JS550 model, ensuring a snug fit and seamless integration with your watercraft's powertrain.

The Mariner M15.5 impeller is engineered for superior hydrodynamic efficiency. Its design allows for improved water flow and increased thrust, enabling your Jet Ski to reach higher speeds and deliver a more exhilarating riding experience. This impeller is also designed to reduce cavitation, a common issue that can negatively impact engine performance.

Installing the Mariner M15.5 impeller on your Kawasaki Jet Ski JS550 is a straightforward process. It comes complete with all necessary hardware for a hassle-free installation. The impeller is also backed by Mariner's commitment to quality, ensuring that it meets the highest standards of performance and durability.

In summary, the Mariner M15.5 impeller is an essential upgrade for any Kawasaki Jet Ski JS550 (model number JS550) produced between 1982 and 1989. Its steel construction, hydrodynamic efficiency, and easy installation make it an indispensable addition to your watercraft. Upgrade your Jet Ski today and experience the difference that the Mariner M15.5 impeller can make.

The Mariner M15.5 impeller for the 1982-1989 Kawasaki Jet Ski JS550 is an essential component for maintaining the optimal performance of your watercraft. Let's discuss the pros and cons of buying this impeller to help you make an informed decision.

1. Enhanced Performance: Replacing the worn-out impeller with a new one can improve the overall performance of your Jet Ski. A new impeller ensures efficient water intake and proper jet propulsion, resulting in better acceleration, top speed, and overall riding experience.

2. Increased Longevity: Regularly replacing the impeller is crucial for the longevity of your Jet Ski's engine. A worn-out impeller can cause damage to the engine by allowing debris to enter the water pump and potentially causing damage.

3. Cost-Effective: The cost of a new Mariner M15.5 impeller is relatively low compared to the potential cost of engine repairs caused by a neglected or worn-out impeller.

4. Availability: This impeller is widely available from various marine parts suppliers, both online and in physical stores, ensuring easy access and quick replacement.

1. Installation Complexity: Installing the impeller yourself may require some technical know-how and the right tools. Improper installation can lead to additional issues, such as water leaks or damage to other components.

2. Potential for Incompatibility: While the Mariner M15.5 impeller is the commonly used replacement for the Kawasaki Jet Ski JS550, it's essential to ensure that the specific model and year of your Jet Ski is compatible with this impeller. Consulting the owner's manual or contacting the manufacturer can help clarify any doubts.

3. Ongoing Maintenance: Regularly replacing the impeller is an ongoing maintenance requirement for your Jet Ski. Depending on the usage and conditions, you may need to replace it every few seasons or years.

The Mariner M15.5 impeller is a crucial component for maintaining the performance and longevity of your Kawasaki Jet Ski JS550. While there are some challenges associated with its installation and ongoing maintenance, the benefits, such as improved performance and increased engine life, outweigh the cons. Ensure you purchase the correct impeller for your specific Jet Ski model and year and consider seeking professional assistance for installation, if needed.

Details:

The leading edges are perfect with no repairs. Heat was used to remove from the pump shaft, otherwise looks new. Very clean Ss M15.5 impeller basically a Mariner copy of skate-track perfect pitch for stock and mildly modified machines, the best bolt on you can add, should be your first.

specifications watercraftimp:

• for models: Js550, Js, 550, Ss
• for makes: Kawasaki
• for years: 1982–1989
• brand: Mariner
• mpn: M15.5
• part type: Jet Impeller
• unit type: Unit
• country/region of manufacture: United States

shipping watercraftimp:

• class: standard
• service: usps ground advantage
• carrier: usps
• transit: 3-8 days
• type: fixed

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• policy: no returns

general watercraftimp:

• category: Watercraft Parts > Engines > Impellers Components

offer watercraftimp:

• started: june 3, 2025
• in stock #: 1
• price: $330.00
• item condition: New
• sold #: 16
• availability: in stock
• options: ship-to-home
• best offers: true

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