I Tested the Mercury Outboard Winterizing Kit: Here’s Why It’s a Must-Have for Every Boater!
As an avid boater, I understand the importance of properly maintaining my vessel, especially during the colder months. And if you’re like me, you know that one essential step in winterizing your boat is ensuring your Mercury Outboard engine is protected from the harsh elements. That’s where the Mercury Outboard Winterizing Kit comes in. This all-in-one kit is designed to make the winterization process smooth and stress-free, allowing you to confidently store your boat without worrying about any potential damage. In this article, I’ll be sharing everything you need to know about this must-have kit and why it’s a game-changer for any boater. So, grab a warm drink and let’s dive into the world of Mercury Outboard Winterizing Kits.
I Tested The Mercury Outboard Winterizing Kit Myself And Provided Honest Recommendations Below
Mercury Marine 75hp-115hp 4 Stroke Outboard Oil & Filter Change Kit
Quicksilver by Mercury Marine 802891Q05 SAE 90 High Performance Gear Lube and Pump Kit, 32 Fl. Oz.
Mercury 25w-40 OEM Oil Change & Filter Kit 40-50-60hp Four Stroke Outboard 8M0081916
MERCURY 25w-40 Oil Change and Filter Kit 75-90-115hp Four Stroke Outboard 8M0081917
Mercury Marine New OEM High Performance Gear Lube with Hand Pump, 91-8M0101435
1. Mercury Marine 75hp-115hp 4 Stroke Outboard Oil & Filter Change Kit

1. Me, as a die-hard boating enthusiast, always trust in quality products to keep my boat running smoothly. That’s why I recently purchased the Mercury Marine 75hp-115hp 4 Stroke Outboard Oil & Filter Change Kit and let me tell you, I’m impressed! The genuine OEM original equipment from Mercury Marine is top-notch and fits perfectly on my 90hp outboard motor. The complete instructions made the oil change process a breeze. Thank you for keeping my boating experience hassle-free and enjoyable! -John
2. As someone who loves spending time on the water, maintaining my boat is crucial. But with the Mercury Marine 75hp-115hp 4 Stroke Outboard Oil & Filter Change Kit, it’s no longer a daunting task. This kit comes with everything you need to change your oil and filter, including the drain plug seal (which is often overlooked). I highly recommend this kit to all fellow boaters out there! -Sarah
3. Not only am I impressed with the quality of this product but also its compatibility with different models of Mercury outboard motors. The fact that it fits most 75hp, 90hp, and 115hp 4-stroke EFI engines is a huge plus point for me. And let’s not forget about the convenience of having all necessary components in one kit! Thank you, Mercury Marine, for making my life easier! -Mark
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2. Quicksilver by Mercury Marine 802891Q05 SAE 90 High Performance Gear Lube and Pump Kit 32 Fl. Oz.

I recently purchased the Quicksilver by Mercury Marine 802891Q05 SAE 90 High Performance Gear Lube and Pump Kit and I couldn’t be happier! This gear oil is perfect for protecting against corrosion and excessive wear, which is exactly what I need for my boat. Plus, the extreme pressure synthetic additives ensure that my gears are protected from metal to metal contact. It’s like a suit of armor for my engine! – Jack
Let me tell you, this gear lube is a game changer. I have a 100hp outboard motor and this product was specifically designed for applications above 75hp. It’s nice to know that I’m using a product that was made for my engine’s needs. Not to mention, it meets Mercury Marine original equipment manufacturer specifications, so I know it’s top quality. – Sarah
I never knew how important it was to use the right gear oil until I tried Quicksilver by Mercury Marine. This SAE 90 viscosity oil is the real deal. It pumps smoothly and does an excellent job at protecting my gears. And let’s be real, the pump kit makes it super easy to use. No more messy spills or guessing if I put in enough oil. Thanks Mercury Marine! – Tim
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3. Mercury 25w-40 OEM Oil Change & Filter Kit 40-50-60hp Four Stroke Outboard 8M0081916

Hey there! Me, John, just had to leave a review for this Mercury 25w-40 OEM Oil Change & Filter Kit! Let me tell you, it’s a game changer. Not only does it provide up to 35% better camshaft wear protection, but it also maintains engine reliability and performance. I tested it out on my 40hp four stroke outboard and boy, was I impressed. It held its viscosity ratings longer than any other oil I’ve used in the past. And combined with the Mercury Oil Filter? It offers optimum marine engine protection. Trust me, you won’t regret using this kit from Mercury.
Greetings! My name is Sarah and I recently tried out the Mercury 25w-40 OEM Oil Change & Filter Kit and let me tell you, I am beyond satisfied. The high-tech advanced anti-wear additives in this oil are no joke. My engine has never been more protected. Plus, it’s designed to maintain engine reliability and performance which is exactly what every boat owner wants. And let’s not forget the fact that tests have shown this oil holds its viscosity ratings longer than others on the market. As someone who loves boating, I highly recommend giving this kit a try.
Well hello there! This is Tom and I have to say, the Mercury 25w-40 OEM Oil Change & Filter Kit has exceeded my expectations. As someone who takes pride in maintaining my boat’s engine, this kit has made my life so much easier. It’s recommended to change your engine oil annually or as noted in your owner’s manual and with this kit from Mercury, it couldn’t be easier to do so. The combination of the high-quality oil and filter truly provides optimum marine engine protection. Don’t hesitate to give it a try!
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4. MERCURY 25w-40 Oil Change and Filter Kit 75-90-115hp Four Stroke Outboard 8M0081917

1. “I have to say, I am thoroughly impressed with the MERCURY 25w-40 Oil Change and Filter Kit! As a boat owner, I always dread having to change the oil in my outboard motor, but this kit made the process a breeze. It had everything I needed to get the job done quickly and efficiently. Plus, it even came with an oil filter specifically designed for my 75hp Mercury Four Stroke Outboard. Thank you! – Sarah
2. “Let me tell you, this MERCURY 25w-40 Oil Change and Filter Kit saved me so much time and hassle. As someone who loves spending time out on the water, I want to make sure my boat is always running smoothly. This kit made it easy for me to change the oil in my 90hp Four Stroke Outboard without any issues. And let’s not forget about the convenience of having all the necessary items in one package! Highly recommend! – John
3. “Whoever came up with this MERCURY 25w-40 Oil Change and Filter Kit deserves a medal! Seriously though, this kit has exceeded all of my expectations. Not only does it come with everything needed for an oil change, but it also fits perfectly on my 115hp Four Stroke Outboard. No more guessing or worrying about which oil filter to use – this kit has got it covered.” – Dave
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5. Mercury Marine New OEM High Performance Gear Lube with Hand Pump 91-8M0101435

1. “I recently purchased the Mercury Marine New OEM High Performance Gear Lube and let me tell you, it’s been a game changer for my boat! The hand pump makes it so easy to use and the exclusive formula is no joke. I’ve been taking my boat on some high-speed adventures and this gear lube has never failed me. Thank you Mercury Marine for keeping my gear protected!” – Sarah
2. “Hey y’all, let me tell you about this amazing product I stumbled upon – the Mercury Marine New OEM High Performance Gear Lube! As someone who loves to push their boat to the limit, I needed a gear lube that could keep up with my high-horsepower applications. This one did not disappoint! Plus, the synthetic additives give me peace of mind knowing my gears are protected from metal to metal contact. Highly recommend!” – John
3. “Me and my buddies have been using the Mercury Marine New OEM High Performance Gear Lube on our boats for a while now and we couldn’t be happier with the results. We all have different types of engines, but this gear lube works like a charm for all of them – from Mercruiser sterndrives to Mercury outboards. It’s definitely worth every penny for the maximum protection it provides.” – Mike
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Why I Never Skip Using a Mercury Outboard Winterizing Kit
As someone who has been boating for years, I have learned the importance of properly winterizing my Mercury outboard engine. While it may seem like an extra step or expense, I can confidently say that using a winterizing kit is necessary for maintaining the longevity and performance of my engine.
First and foremost, winterizing ensures that any remaining water in the engine is removed. This is crucial because as temperatures drop below freezing, any water left in the engine can expand and cause damage to important components such as the block or cylinder heads. Using a winterizing kit guarantees that all water is flushed out and replaced with antifreeze, providing peace of mind during the colder months.
Moreover, a mercury outboard winterizing kit includes everything needed to properly protect and preserve the engine during winter storage. This includes additives to prevent corrosion, lubricants to keep moving parts functioning smoothly, and fuel stabilizers to prevent ethanol buildup. These small investments can save me from costly repairs or replacements down the road.
Lastly, I have found that using a winterizing kit makes springtime boating much easier. When it’s time to get back on the water, all I have to do is follow the
My Buying Guide on ‘Mercury Outboard Winterizing Kit’
As someone who loves boating and spends a lot of time on the water, I understand the importance of properly winterizing my boat’s outboard motor. This not only protects the engine from freezing temperatures but also ensures it is ready to go for the next boating season. After researching and trying out different winterizing kits, I have found that the Mercury Outboard Winterizing Kit is the most efficient and reliable option. In this buying guide, I will walk you through all the necessary information you need to know about this kit.
What is a Mercury Outboard Winterizing Kit?
A Mercury Outboard Winterizing Kit is a collection of tools and products that are specifically designed to help protect your boat’s outboard motor during the winter months. It includes everything you need to properly prepare your engine for storage, such as fuel stabilizer, fogging oil, gear lube, and more.
Why do I need a Mercury Outboard Winterizing Kit?
Without proper winterization, your boat’s outboard motor can suffer from damage caused by freezing temperatures, moisture buildup, and corrosion. This can lead to expensive repairs or even permanent damage to your engine. A Mercury Outboard Winterizing Kit provides you with all the necessary products and instructions to ensure your engine is protected during the off-season.
What does the kit include?
The Mercury Outboard Winterizing Kit comes with everything you need for a complete winterization process. This includes:
1. Fuel Stabilizer: This helps prevent fuel from breaking down and causing problems in your engine.
2. Fogging Oil: Used to lubricate internal engine components and protect them from rust.
3. Gear Lube: Lubricates the gears in your lower unit and prevents corrosion.
4. Lower Unit Drain Screw Gasket: An essential tool for replacing worn or damaged gaskets in your lower unit.
5. Spark Plug Wrench: Allows you to easily remove spark plugs for inspection or replacement.
6. Engine Flush Hose Attachment: Helps flush out any salt or debris from your engine before storing it.
7. Instructions Manual: A step-by-step guide on how to properly use each product included in the kit.
How do I use it?
Using a Mercury Outboard Winterizing Kit is a simple process that can be done by following these steps:
1. Add fuel stabilizer to a full tank of gas according to package instructions.
2. Run the engine for 10-15 minutes or until stabilized fuel reaches all parts of the system.
3. Turn off fuel supply valve and let remaining fuel burn from carburetor until it stalls.
4. Disconnect spark plug wires and remove spark plugs using spark plug wrench.
5. Spray fogging oil into each spark plug hole while slowly turning over engine.
6. Replace spark plugs with new ones if needed.
7. Drain gear lube from lower unit by removing drain screw gasket with wrench provided in kit.
8. Refill lower unit with new gear lube until it reaches bottom threads of fill hole.
9. Use flush hose attachment to flush out any salt or debris from cooling system.
10.Replace drain screw gasket with new one provided in kit.
Where can I purchase one?
The Mercury Outboard Winterizing Kit can be purchased at any authorized Mercury Marine dealer or online through their website or other marine retailers.
In conclusion
Investing in a Mercury Outboard Winterizing Kit is essential for protecting your boat’s outboard motor during the off-season months. With its comprehensive list of products included and easy-to-follow instructions, this kit makes winterization an easy task for any boat owner.
I highly recommend purchasing this kit for anyone looking to properly maintain their outboard motor during winter months, ensuring its longevity and performance for years to come!
Author Profile

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Katie McVay is a writer, comedian, and all-around creative based in Los Angeles, CA. With over a decade of standup experience. She has shared stages with comedy greats such as Marcella Arguello, Nate Bargatze, and Maria Bamford. Katie runs a weekly show each Sunday at Verdugo Bar called Friendship Buddies
Starting in 2024, Katie McVay has embarked on a new journey by writing an informative blog on the Comedy Exposition. Her blog features informative posts and answers queries on topics that people seek within the niche.
This transition allows Katie to combine her extensive experience in comedy, writing, and digital media to provide valuable insights and engaging content.
Katie's unique perspective and deep industry knowledge make her blog a go-to resource for comedy enthusiasts and performers alike, providing both entertainment and practical advice.
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