Debunking five myths about marine lubricants

Good engine maintenance is crucial to ensuring optimal performance and extending their useful life, and the world of boating is no exception. Marine lubricants play an essential role in this process.

However, they're often surrounded by myths and misunderstandings that can lead to making the wrong decisions that end up proving costly. That's why today, we're going to debunk five of these myths to help you make informed decisions and take better care of your boat.

Myth 1. "All marine lubricants are the same"

One of the most common mistakes is thinking that all marine lubricants are the same and that any oil can be used for any type of engine. The reality is that lubricants are formulated specifically for different types of engines and operating conditions. 

Not only are there different viscosities, but also specific additives that protect against critical factors in marine environments, such as wear and tear, corrosion or oxidation. Using the wrong lubricant can result in premature engine wear and tear, reduced fuel efficiency, and, in extreme cases, serious mechanical failure.

Myth 2. "Leaving it longer between oil changes saves you money"

At first, it may seem like leaving it between oil changes is a good way to reduce your boat's maintenance costs. But nothing could be further from the truth. 

Engine oil degrades over time, accumulating dirt particles, combustion products or from saltwater exposure. These contaminants reduce the lubricant's ability to protect the engine, which can lead to accelerated wear and tear, and with it, more frequent repairs.

That's why, at Repsol Lubricants, we have a used oil analysis after-sales service, with marine sector specialists. In this way, we offer to monitor the lubricant's condition to be able to anticipate possible mechanical failures.

Myth 3. “All lubricants can be mixed”

Many people believe that mixing different oils doesn't cause any problems. However, doing so can be risky. Lubricants are formulated with specific additives that perform vital functions, so combining different brands or viscosities can lead to an interaction that reduces effectiveness, affecting engine performance and its protection.

For these reasons, it's advisable to avoid mixing oils and, instead, always use the same lubricant type and brand.

Myth 4. "The oil's color indicates its condition"

Many boat owners believe the oil's color is a sign of whether it's still usable or needs to be changed. Although it's true that a new oil usually has a light amber color, it's also true that its darkening with use doesn't necessarily indicate it's lost its properties.

Color change is normal over time due to oxidation and the absorption of contaminants, but it's not an indicator of wear and tear. Here are a series of tips to easily identify deterioration.

Myth 5. "Good oil eliminates the need for regular maintenance"

Relying solely on good oil doesn't take away the need for regular engine maintenance. Lubricating oils are a crucial part of caring for your vehicle, but not the only type of care.

That's why we recommend having a good maintenance program, with regular inspections, filter changes, and checks of key components. This way you'll be able to detect potential problems before they become serious issues.

Find your lubricant

Finally, we advise you to always check the engine manufacturer's specifications before choosing a marine lubricant, as well as ensuring the product complies with the necessary regulations and certifications. There you'll also find tips on oil changes. 

Good care begins with informed decisions, so don't hesitate to get in contact with us by filling out this form if you have any questions or problems. Don't let myths get in the way of taking proper care of your engine needs!