As the sun beats down on the water, the roar of the engine is music to your ears. You’re out on the lake, enjoying a day of fun in the sun, but behind the scenes, your Seadoo is working hard to keep you cool. Or is it? If you’re like many watercraft enthusiasts, you may be wondering what kind of coolant your Seadoo uses. It’s a question that can make or break your watercraft’s performance, and it’s one that’s often overlooked.
The truth is, using the right coolant in your Seadoo can mean the difference between a season of fun in the sun and a season of costly repairs. With the increasing temperatures and longer operating hours, it’s more important than ever to know what kind of coolant your watercraft requires. But with so many different types of coolants on the market, it can be overwhelming to know where to start.

In this article, we’ll take a closer look at what kind of coolant your Seadoo uses and why it’s so important to get it right. We’ll cover the different types of coolants available, how to choose the right one for your watercraft, and what to look out for when selecting a coolant. Whether you’re a seasoned watercraft enthusiast or just starting out, this article will provide you with the knowledge and confidence to keep your Seadoo running smoothly and efficiently.
Key Takeaways
When it comes to choosing the right coolant for a Seadoo, several factors come into play. It’s essential to understand the type of coolant that your Seadoo requires to ensure optimal performance and longevity.
Seadoo uses a specific type of coolant that is designed to handle the high-temperature conditions found in watercraft engines. The most common type of coolant used in Seadoos is a mixture of ethylene glycol and water. This mixture provides excellent heat transfer properties and is able to withstand the high temperatures generated by the engine.
However, it’s not just about the type of coolant used; it’s also crucial to consider the concentration of the coolant. Using the wrong concentration can lead to a range of problems, including corrosion, overheating, and even engine damage. Therefore, it’s essential to follow the manufacturer’s guidelines for coolant concentration to ensure that your Seadoo runs smoothly and efficiently.
- Determine the correct type of coolant for your Seadoo model to ensure optimal performance and longevity.
- Use a mixture of ethylene glycol and water, as it provides excellent heat transfer properties and can withstand high temperatures.
- Check the manufacturer’s guidelines for coolant concentration to avoid corrosion, overheating, and engine damage.
- Regularly check and maintain the coolant level to prevent damage to the engine and other components.
- Consider using a coolant with additives that provide extra protection against corrosion and wear.
- Never mix different types of coolant, as this can lead to a range of problems, including engine damage.
- Replace the coolant every 2-3 years or as recommended by the manufacturer to maintain optimal performance.
- Follow the manufacturer’s guidelines for flushing and refilling the coolant to avoid contamination and damage.
By following these key takeaways, you can ensure that your Seadoo runs smoothly and efficiently, and that you get the most out of your watercraft. As you continue to enjoy your Seadoo, remember to always check and maintain the coolant level to prevent damage and extend the life of your engine.
Frequently Asked Questions
What is the purpose of coolant in a Seadoo watercraft?
Coolant, also known as antifreeze, serves two main purposes in a Seadoo watercraft: it prevents the engine from freezing in cold temperatures and protects the engine from corrosion and damage caused by heat. Coolant is a mixture of water and a chemical additive that lowers the freezing point of water and raises its boiling point. This allows the engine to operate safely within a specific temperature range. The coolant also helps to remove heat from the engine and transfer it to the water, which is then dissipated through the hull and propeller. (See: Thermostat Housing Leak Coolant)
What type of coolant does a Seadoo watercraft use?
Seadoo watercraft use a specialized type of coolant called a propylene glycol-based coolant. This type of coolant is specifically designed for use in marine engines and is formulated to prevent corrosion and damage from seawater and saltwater. Propylene glycol is a non-toxic, biodegradable, and environmentally friendly alternative to traditional ethylene glycol-based coolants. It is also less corrosive and less toxic than other types of coolants, making it a safer choice for use in watercraft.
Why should I use the correct type of coolant in my Seadoo?
Using the correct type of coolant in your Seadoo watercraft is essential to ensure the longevity and performance of your engine. Using the wrong type of coolant can cause corrosion, damage, and even engine failure. Propylene glycol-based coolants are specifically designed to withstand the corrosive effects of seawater and saltwater, which can be detrimental to traditional ethylene glycol-based coolants. Using the correct type of coolant also helps to prevent overheating, which can cause damage to the engine and other components.
How do I determine if my Seadoo needs a coolant change?
You should change the coolant in your Seadoo watercraft every 100 to 150 hours of operation, or as recommended by the manufacturer. You can also check the coolant level and color to determine if it needs to be changed. If the coolant level is low or the color is dark or dirty, it may be a sign that the coolant needs to be changed. Additionally, if you notice any signs of engine overheating or corrosion, it may be a sign that the coolant needs to be changed.
What are the benefits of using a propylene glycol-based coolant in my Seadoo?
The benefits of using a propylene glycol-based coolant in your Seadoo watercraft include: improved engine performance, reduced corrosion and damage, improved heat transfer, and environmental safety. Propylene glycol-based coolants are also biodegradable and non-toxic, making them a safer choice for use in watercraft. Additionally, they are less corrosive and less toxic than traditional ethylene glycol-based coolants, which can be beneficial for the environment and your wallet.
How do I change the coolant in my Seadoo?
Changing the coolant in your Seadoo watercraft is a relatively simple process that can be done at home with a few tools and some basic knowledge. First, you will need to locate the coolant reservoir and drain plug. Next, you will need to drain the old coolant into a container and replace it with new coolant. Be sure to use the correct type of coolant and follow the manufacturer’s instructions for the proper mix ratio. Finally, you will need to bleed the system to remove any air pockets and check the coolant level to ensure it is at the recommended level.
How much does it cost to change the coolant in my Seadoo?
The cost of changing the coolant in your Seadoo watercraft can vary depending on the type and quantity of coolant needed. On average, a gallon of propylene glycol-based coolant can cost between $20 to $50, depending on the brand and quality. Additionally, you may need to purchase a coolant change kit, which can cost between $50 to $100. Overall, the cost of changing the coolant in your Seadoo watercraft is relatively low compared to the benefits of using a propylene glycol-based coolant. (See: Goes Engine Coolant)
What if I use the wrong type of coolant in my Seadoo?
Using the wrong type of coolant in your Seadoo watercraft can cause serious damage to the engine and other components. Traditional ethylene glycol-based coolants can corrode and damage the engine and other components, while propylene glycol-based coolants are specifically designed to withstand the corrosive effects of seawater and saltwater. If you use the wrong type of coolant, you may experience engine overheating, corrosion, and damage, which can be costly to repair. It is essential to use the correct type of coolant to ensure the longevity and performance of your engine.
Which is better: propylene glycol-based or ethylene glycol-based coolant?
Propylene glycol-based coolants are generally considered better than ethylene glycol-based coolants for use in Seadoo watercraft. Propylene glycol-based coolants are less corrosive and less toxic than ethylene glycol-based coolants, making them a safer choice for use in watercraft. They are also biodegradable and non-toxic, which makes them a more environmentally friendly choice. Additionally, propylene glycol-based coolants are specifically designed to withstand the corrosive effects of seawater and saltwater, which can be detrimental to traditional ethylene glycol-based coolants.
Can I mix different types of coolant in my Seadoo?
No, it is not recommended to mix different types of coolant in your Seadoo watercraft. Mixing different types of coolant can cause corrosion, damage, and even engine failure. Propylene glycol-based coolants are specifically designed to work together with other components in the engine, and mixing different types of coolant can disrupt this balance. It is essential to use the correct type of coolant and follow the manufacturer’s instructions for the proper mix ratio to ensure the longevity and performance of your engine.
Conclusion
In conclusion, understanding the type of coolant used in a Seadoo is crucial for maintaining the health and longevity of the vehicle. As we’ve discussed, Seadoos use a 50/50 mixture of distilled water and a high-quality, phosphate-free coolant that meets the ASTM D4985 specification. This specific coolant mixture is designed to provide optimal protection against corrosion, freezing, and overheating, ensuring that your Seadoo runs smoothly and efficiently. The importance of using the correct coolant cannot be overstated, as it helps to prevent damage to the engine, cooling system, and other critical components. By using the right coolant, you can enjoy a safer, more reliable, and more enjoyable riding experience.
The key benefits of using the correct coolant in your Seadoo are numerous. It helps to prevent corrosion and damage to the engine and cooling system, reduces the risk of overheating and freezing, and extends the lifespan of your vehicle. Additionally, using the correct coolant can also help to improve the overall performance and fuel efficiency of your Seadoo. To ensure that you’re using the correct coolant, it’s essential to consult your owner’s manual or contact a authorized Seadoo dealer for guidance. By taking the time to understand and follow the recommended coolant specifications, you can help to protect your investment and enjoy a trouble-free riding experience. (See: Often I Coolant Flush)
Now that you’re informed about the type of coolant used in a Seadoo, it’s time to take action. Check your owner’s manual to confirm the recommended coolant specification, and ensure that you’re using the correct mixture in your vehicle. If you’re unsure or have questions, don’t hesitate to reach out to a authorized Seadoo dealer or a trusted mechanic for guidance. By taking the necessary steps to maintain your Seadoo’s cooling system, you’ll be able to enjoy a safer, more reliable, and more enjoyable riding experience. As you look to the future, remember that proper maintenance is key to unlocking a lifetime of adventure and excitement on the water. With the right coolant and a commitment to regular maintenance, you’ll be ready to take on whatever the future holds, and make memories that will last a lifetime.
