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Owning & Maintaining a Boat
How to Clean a Jet Ski to Extend Its Lifespan
Owning & Maintaining a Boat

How to Clean a Jet Ski to Extend Its Lifespan

By Alana Azzouz14 min readOctober 19, 2024Updated June 30, 2026
How to Clean a Jet Ski to Extend Its Lifespan

Keeping a jet ski clean is crucial for maintaining its performance and longevity. Regular cleaning not only enhances the appearance of personal watercraft but also plays a vital role in preventing damage from saltwater, debris, and other environmental factors. Proper maintenance can extend the lifespan of a jet ski, ensuring it remains in top condition for many seasons of aquatic adventures.


This guide will walk readers through the essential steps to clean a jet ski effectively. It covers gathering the right supplies, cleaning the exterior, maintaining the engine bay and internal components, and post-cleaning care. By following these tips, jet ski owners can protect their investments and enjoy smooth, trouble-free rides on the water. These practices also contribute to efficient personal watercraft maintenance, making PWC servicing easier and less frequent.


GATHER YOUR CLEANING SUPPLIES

Before starting the cleaning process, it's essential to gather all the necessary tools and products. Having everything ready beforehand ensures a smooth and efficient cleaning experience for personal watercraft maintenance.


Essential cleaning tools

To clean a jet ski effectively, one needs a variety of tools. These include soft-bristled brushes, microfiber cloths, and sponges for gentle scrubbing. A hose with adjustable nozzle settings is crucial for rinsing. For hard-to-reach areas, specialized tools like an impeller jam removal tool and a rope-cutting tool can be invaluable. These tools help jet ski owners handle unexpected challenges and protect valuable water time.


Recommended cleaning products

When it comes to cleaning products, it's important to use solutions specifically designed for watercraft. XPS cleaning products are effective, safe, and ideal for cleaning all boat surfaces. They can quickly remove scum and dirt without damaging the wax protection on the watercraft. The XPS Marine Multisurface and Glass Cleaner are perfect for everyday light cleaning, while the XPS All-Purpose Cleaner and Degreaser are suitable for tougher stains like waterlines, mildew, or grease.


Safety gear

Safety should always be a priority when cleaning a jet ski. Essential safety gear includes a high-quality life jacket, which provides comfort and high buoyancy. A personal location beacon (PLB) is a crucial safety device for emergencies. Other important items include a pocket knife, a survival kit with first aid supplies, and a fire extinguisher. These safety precautions ensure that jet ski owners are prepared for any situation while maintaining their watercraft.


EXTERIOR CLEANING PROCESS

The exterior cleaning process is crucial for maintaining a jet ski's appearance and performance. To begin, one should rinse off salt and debris using fresh water. This initial rinse helps remove loose dirt and prevents salt from drying and forming hard water spots. It's advisable to use a hose with adjustable settings, starting from the top and working downwards. Special attention should be given to areas like foot-wells, which tend to accumulate more grime.

After rinsing, the next step is applying a cleaning solution. It's recommended to use marine-specific products designed for watercraft. These solutions are effective in removing scum and dirt without damaging the wax protection. For tougher stains like waterlines or grease, a stronger cleaner may be necessary. Apply the solution evenly across the jet ski's surface, ensuring all areas are covered.

Scrubbing and detailing follow the application of the cleaning solution. Using a soft-bristled brush or a lamb's wool hand mitt, gently scrub the jet ski's surface in small sections. This method allows for thorough cleaning without letting the soap dry and leave streaks. Pay extra attention to crevices, knobs, and hard-to-reach areas. For stubborn stains, a Magic Eraser can be used with circular motions.

The final rinse is crucial to remove all soap residue and any remaining dirt. Use fresh water and rinse thoroughly, again starting from the top and working downwards. Ensure all soap is removed to prevent streaking or water spots. After rinsing, it's important to dry the jet ski to avoid water spots. Using a microfiber cloth or chamois can help achieve a streak-free finish and bring out a nice shine.


ENGINE BAY AND INTERNAL COMPONENTS


Accessing the engine compartment

To begin cleaning the engine bay, one must first access the engine compartment. On most SeaDoo models, the handle to open the engine compartment is located inside the storage box in front of the driver. The owner should open this compartment and look for the 'T' handle. Pulling this handle should pop the engine hatch up. For other models, the access point may be under the windshield on the driver's console or behind the center seat backrest.

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