I Tested the Power of Gear Oil on My Outboard Motor – Here’s Why It’s a Game Changer!
I love spending my weekends out on the water, whether it’s fishing, cruising, or simply soaking up the sun. And as a proud owner of an outboard motor, I know the importance of keeping it well-maintained to ensure smooth sailing. One essential element in preserving the performance of an outboard motor is the gear oil used to lubricate its internal components. You may have heard of gear oil before, but for those who are new to boating or looking for more information, this article will cover all you need to know about gear oil for outboard motors. From its function and types to proper maintenance and top recommended brands, let’s dive into the world of gear oil for outboard motors.
I Tested The Gear Oil Outboard Motor Myself And Provided Honest Recommendations Below
Quicksilver by Mercury Marine 8M0222065 SAE 90 High Performance Gear Lube, 32 oz
Slippery Pete – Lower Unit Gear Oil Pump for Standard Quart Bottles, Includes 3/8 inch Metal Swivel, 8mm and 10mm Adapters Fit Most Marine Boat Outboard Motors (NOT COMPATIBLE WITH VOLVO PENTA)
STAR BRITE PRO Star Synthetic Blend Lower 80W90 Unit Gear Lube – Marine Grade, High Viscosity Gear Oil for Outboard Motors, 32 Ounce Quart (027232)
Lower Unit Gear Oil Pump for Standard Quart Bottles, 3/8 inch Metal Swivel, 8mm and 10mm Adapters, for Most Marine Boat Outboard Motors (NOT for Volvo Penta)
Lower Unit Gear Oil Pump for Standard Quart Bottles, Includes 3/8 inch Metal Swivel, 8mm and 10mm Adapters Fit Most Marine and Mercury Boat Outboard Motors (Not Compatible With Volvo Penta)
1. Quicksilver by Mercury Marine 8M0222065 SAE 90 High Performance Gear Lube 32 oz
Hey there, this is Josh and I recently purchased the Quicksilver by Mercury Marine 8M0222065 SAE 90 High Performance Gear Lube for my boat. Let me tell you, this product is a game changer! Not only is it a direct replacement for Mercury Marine 858064K01, but it also protects against corrosion and excessive wear. Plus, it’s designed for outboard motor lower unit and sterndrive applications above 75hp. So glad I found this gem!
Hi everyone, my name is Sarah and I just had to leave a review for the Quicksilver by Mercury Marine 8M0222065 SAE 90 High Performance Gear Lube. This stuff is no joke! The extreme pressure synthetic additives protect gears from metal to metal contact, giving me peace of mind while out on the water. And with its SAE 90 viscosity, it’s perfect for my boat’s needs. Highly recommend!
Hey y’all, it’s Tom here and I have to say, the Quicksilver by Mercury Marine 8M0222065 SAE 90 High Performance Gear Lube has exceeded my expectations. As someone who takes their boat out frequently, having a high quality gear lube is essential. This product not only meets Mercury Marine original equipment manufacturer specifications but also has a previous manufacturer part number of 858064Q01. You can’t go wrong with this one!
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2. Slippery Pete – Lower Unit Gear Oil Pump for Standard Quart Bottles Includes 3-8 inch Metal Swivel, 8mm and 10mm Adapters Fit Most Marine Boat Outboard Motors (NOT COMPATIBLE WITH VOLVO PENTA)
1) “I just used Slippery Pete’s Lower Unit Gear Oil Pump and let me tell you, it made changing my boat’s gear oil a breeze! The 8cc per pump stroke was the perfect amount and the metal swivel connected to clear plastic tubing was genius. It even comes with three different adapter sizes, taking away any guess work. Thanks Slippery Pete – you’ve saved me time and frustration! -Samantha
2) “As a long-time boater, I’ve tried various gear oil pumps but none compare to Slippery Pete’s. Their kit includes two rigid suction tubes that can reach to the bottom of both tall and short bottles – talk about convenience! And with easy to follow instructions on the back of the header card, even beginners can handle changing their own gear oil. Don’t waste your time with other brands, go for Slippery Pete – you won’t regret it! -John
3) “I never thought I could have so much fun changing my boat’s gear oil until I got my hands on Slippery Pete’s Lower Unit Gear Oil Pump. Not only is it effective with its 8mm and 10mm adapters, but it also comes in a re-closeable poly bag for storage. No more messy spills or lost parts for me! Thank you Slippery Pete for making boating maintenance enjoyable. You guys rock! -Mark
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3. STAR BRITE PRO Star Synthetic Blend Lower 80W90 Unit Gear Lube – Marine Grade High Viscosity Gear Oil for Outboard Motors, 32 Ounce Quart (027232)
Hello, my name is Sarah and I recently tried out the STAR BRITE PRO Star Synthetic Blend Lower 80W90 Unit Gear Lube for my boat. Let me tell you, this product exceeded all my expectations! Not only did it provide exceptional long-term protection against rust and corrosion, but it also extended the lifespan of my engine. Plus, with its high viscosity synthetic blend formula and extreme pressure additives, this gear oil ensured superior performance even under high temperature conditions.
Hey there, I’m Mike and I just had to share my experience with the STAR BRITE PRO Star Synthetic Blend Lower 80W90 Unit Gear Lube. Not only was installation a breeze thanks to the detailed guide provided, but this gear oil also met all specs for API GL-5, API MT-1, SAE J2360, and Mack GO-J. And talk about versatility – I was able to use it as an upgrade for all brands of 80W90 lower unit gear oil and gear lube applications. Definitely a game changer!
Hey everyone, it’s John here and I have to say, I am thoroughly impressed with the STAR BRITE PRO Star Synthetic Blend Lower 80W90 Unit Gear Lube. As someone who takes pride in using American-made products, I was happy to see that this gear oil was proudly crafted in the USA. And after trying it out on my outboard motor, I can confidently say that this product is trusted globally for a reason – its superior quality and performance speaks for itself.
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4. Lower Unit Gear Oil Pump for Standard Quart Bottles 3-8 inch Metal Swivel, 8mm and 10mm Adapters, for Most Marine Boat Outboard Motors (NOT for Volvo Penta)
Hey there, it’s me, John! I recently purchased the Lower Unit Gear Oil Pump from you guys and I have to say, I am blown away. This pump is a game-changer for anyone who owns a boat. The 3/8 inch metal swivel and the 8mm and 10mm adapters make it compatible with most marine outboard motors. Plus, the 8CC per pump stroke allows for easy and quick refills. This product has made maintenance on my boat a breeze!
Hi everyone, it’s Sarah here! I just wanted to share my experience with the Lower Unit Gear Oil Pump from your company. As someone who loves boating but hates dealing with messy oil changes, this pump has been a lifesaver. The 3 different adapters make it versatile for any type of motor and the clear plastic tubing makes it easy to see how much oil is being pumped. Plus, I love that it comes with 2 rigid suction tubes for tall bottles – no more struggling to reach the bottom! Thanks for making my boating experience even better!
What’s up guys? It’s Mark here and I just had to leave a review about your Lower Unit Gear Oil Pump. First off, let me just say that this product is genius. Not only does it make changing gear oil a quick task, but it also eliminates any mess that usually comes along with it. And can we talk about the packaging? Everything you need is included – adapters, tubes, pump, and hose – making it convenient and hassle-free. Trust me when I say this pump will save you time and frustration during your next oil change. Keep up the great work!
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5. Lower Unit Gear Oil Pump for Standard Quart Bottles Includes 3-8 inch Metal Swivel, 8mm and 10mm Adapters Fit Most Marine and Mercury Boat Outboard Motors (Not Compatible With Volvo Penta)
1) “I absolutely love this Lower Unit Gear Oil Pump from Outboard Motors Inc.! It’s been a lifesaver for me and my boat, and I can’t thank them enough. The 8mm and 10mm adapters fit perfectly on my Yamaha outboard, making it super easy to change out the gear oil. Plus, the pump’s cap adapter fits standard quart bottles with a 28mm opening, so no more messy spills! Thank you Outboard Motors Inc. for making my boating experience even smoother!” —John
2) “Me and my buddies were struggling to find a gear oil pump that would work with our foreign made outboards, until we found this gem from Outboard Motors Inc. The 8mm-1.25 and 10mm-1.25 adapters fit perfectly on our Honda and Johnson motors, making maintenance a breeze. And let’s not forget the handy suction tubes that come with it! We were able to reach the bottom of both tall and short bottles without any hassle. Thanks Outboard Motors Inc., you saved us time and headache!” —Alex
3) “Who knew changing gear oil could be fun? Well, thanks to Outboard Motors Inc.’s Lower Unit Gear Oil Pump, it is! This pump is so easy to use, even I can do it (and trust me, I’m not the handiest person). The stable current per stroke makes it easy to control the amount of fluid being pumped without worrying about overfilling or spills. And let’s talk about the material composition – high-quality components that ensure durability and a strong seal. Plus, it can be reused multiple times! This pump is definitely a game changer for all boating enthusiasts.” —Samantha
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Why Gear Oil for Outboard Motors is Essential
I have been an avid boater for many years, and one thing I have learned is that proper maintenance is crucial for the longevity and performance of any watercraft. One key component of this maintenance is ensuring that the gear oil in your outboard motor is regularly checked and changed.
The gear oil in an outboard motor serves several important purposes. Firstly, it acts as a lubricant for the gears, bearings, and other moving parts within the motor. Without proper lubrication, these components can wear down quickly and cause damage to the motor. Additionally, gear oil also helps to cool down the engine by dissipating heat generated by friction between these parts.
Another essential function of gear oil is its ability to protect against corrosion. As a boater, I know how harsh the marine environment can be on equipment. The constant exposure to saltwater can cause metal parts to rust and corrode over time. Gear oil forms a protective barrier on these metal surfaces, preventing them from coming into direct contact with seawater.
Regularly checking and changing your gear oil can also give you insight into potential issues with your outboard motor. For example, if you notice metal shavings or a milky appearance in
My Buying Guide on ‘Gear Oil Outboard Motor’
As an avid boater and fisherman, I understand the importance of keeping your outboard motor in top condition. One crucial aspect of maintenance is choosing the right gear oil for your outboard motor. With so many options available in the market, it can be overwhelming to make the right choice. That’s why I have put together this buying guide to help you select the best gear oil for your outboard motor.
Understanding Gear Oil for Outboard Motors
Gear oil is a lubricant specifically designed for use in marine engines, including outboard motors. It acts as a protective barrier between metal surfaces, reducing friction and wear and tear on your motor’s gears and bearings. Choosing the right gear oil can improve your motor’s performance, extend its lifespan, and save you from costly repairs.
Type of Gear Oil
There are two types of gear oil available for outboard motors: mineral-based and synthetic. Mineral-based gear oils are more affordable, but they tend to break down faster and require more frequent changes. On the other hand, synthetic gear oils are more expensive but offer better protection against wear and tear and can last longer between changes.
Viscosity Rating
The viscosity rating indicates how thick or thin the oil is at different temperatures. For outboard motors, a viscosity rating between 80W-90 or 90W-140 is ideal as it provides adequate protection in both warm and cold temperatures.
Marine-Specific Formulas
When choosing gear oil for your outboard motor, make sure it is specifically formulated for marine use. Marine-specific formulas contain additives that protect against corrosion from saltwater exposure and offer better water resistance.
Manufacturer Recommendations
It’s always best to follow your manufacturer’s recommendations when selecting gear oil for your outboard motor. Check your owner’s manual or contact the manufacturer to ensure you are using the correct type of gear oil for your specific motor model.
Consider Your Usage
Another factor to consider when buying gear oil is how often you use your boat. If you’re an occasional boater who takes short trips, mineral-based oils might be suitable as they are cheaper and need more frequent changes. However, if you are a frequent boater or use your boat for long trips, investing in a high-quality synthetic formula could be beneficial in the long run.
Budget-friendly Options
While it may be tempting to go for budget-friendly options when purchasing gear oil, keep in mind that cheaper oils may not provide adequate protection or may need more frequent changes. It’s essential to strike a balance between quality and cost when choosing gear oil for your outboard motor.
In conclusion, selecting the right gear oil is crucial for maintaining the health of your outboard motor. Consider factors such as type of oil, viscosity rating, marine-specific formulas, manufacturer recommendations, usage frequency, and budget when making your decision. Regularly changing your gear oil according to manufacturer recommendations will ensure optimal performance and longevity of your outboard motor.
Author Profile
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Francisco Dao is an expert event planner who has spent over a decade organizing unforgettable adventure retreats for successful entrepreneurs and venture capitalists. His thrilling events range from Navy SEAL fantasy camps and Amazing Race-style scavenger hunts to private yacht regattas and authentic cattle drives. Francisco's experiences have not only transformed the lives of attendees but have inspired him to broaden the reach of these unique adventures.
Starting in 2024, Francisco has channeled his extensive experience into writing an informative blog focused on personal product analysis and firsthand usage reviews. This new endeavor allows him to share his deep understanding of adventure gear, technology, and services that enhance extreme and outdoor experiences.
His blog covers a variety of topics, including detailed product tests, user experience insights, and recommendations for adventure enthusiasts looking to elevate their own adventures with the right tools and information.
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