Best Outboard Motor Oil 2023: Top 10

Sometimes it might be quite difficult to find the best outboard motor oil. With every niche market offering so many different products, it makes sense that this is the case.

Unfortunately, this very fact can make it incredibly difficult to find the item that best suits your needs, which is why we’ve put together this outboard motor oil buying guide.

Our Favorite Picks:

10 Top Outboard Motor Oil Reviews:

Bestseller No. 1
Pennzoil 550045220 1 Gallon Marine Premium Plus (Outboard 2 Cycle 1 gal. jug)
  • Formulated to keep your marine engine running clean
  • Also acts as a multipurpose gear oil
  • Guard against harmful engine deposits
  • Protect against piston-scuffing
  • Keep performance-robbing carbon deposits from forming in the combustion chamber, piston tops and under crowns and piston-combustion rings
Bestseller No. 2
QuickSilver 27Q01 Premium Plus 2-Cycle Outboard Oil, 1 Gallon
  • Advanced Quicksilver formulation provides superior lubrication to maintain peak performance for all 2-cycle outboards, PWC’s and small engines
  • Produced to meet Mercury Marine original equipment manufacturer specifications to best protect your Mercury or Mariner outboard, other brands of outboards, PWC’s and small engines
  • Prevents corrosion in combustion chamber, intake and exhaust passages
  • Specially formulated for the severe conditions of high horsepower engines at high speed, the instant power demand for hole shots and long distance WOT operation
  • For us in oil injection systems or can be used in premix for 2-cycle engines
Bestseller No. 3
STAR BRITE Premium 2-Cycle Engine Oil TC-W3-1 GAL (19000)
  • Synthetic blend provides maximum performance even under extreme conditions at an affordable price
  • For use in all oil-injection or pre-mix 2-cycle engines; meets or exceeds all engine manufacturers? specifications; will not void engine warranties
  • Ashless formula minimizes piston ring sticking and protects against pre-ignition problems
  • A clean burning oil that reduces smoke and other emissions
SaleBestseller No. 4
Quicksilver 10W-30 Marine Engine Oil - 1 Gallon
  • Designed for use with all 4-stroke marine outboard motors and inboard and sterndrive engines
  • Formulated to protect marine engines against corrosion and excessive wear
  • Offers outstanding shear strength, viscosity retention and corrosion resistance
  • Exceeds all marine industry 4-stroke oil requirements, including FC-W and FC-W Catalyst Compatible, and marine manufacturer warranty requirements. Refer to owner's manual for specific model oil requirements.
  • 10W-30 viscosity
Bestseller No. 6
Quicksilver 10W-40 Marine Engine Oil - 1 Qt.
  • Designed for use with all 4-stroke marine outboard motors and inboard and sterndrive engines
  • Formulated to protect marine engines against corrosion and excessive wear
  • Designed to withstand the heat and stress of high-rpm operation
  • Exceeds all marine industry 4-stroke oil requirements, including FC-W and FC-W Catalyst Compatible, and marine manufacturer warranty requirements. Refer to owner's manual for specific model oil requirements
  • 10W-40 viscosity
SaleBestseller No. 7
Yamaha Yamalube 4M Outboard FC-W 10W-30 Four Stroke Engine Oil One Quart
  • Genuine OEM Yamaha
  • 1-Quart Plastic Easy-Pour Container
  • Yamalube 10W-30 4M Outboard Mineral FC-W Engine Oil
Bestseller No. 8
Valvoline 2-Cycle Multi-Purpose TCW-3 Motor Oil 1 QT
  • Helps protect against piston deposits and scuffing for better engine performance
  • Formulated to minimize wear and corrosion
  • Helps keep spark plugs and exhaust ports clean
  • Designed to provide rust protection during storage
Bestseller No. 9
STAR BRITE Super Premium Synthetic Blend 4 Stroke Oil 10W 40-32 OZ (028232)
  • Shear-stable polymer additives plus synthetic base stocks maintain proper viscosity under extremely harsh marine conditions Synthetic/organic blend assures excellent low-temperature properties for quicker starts
  • This product exceeds the new NMMA specifications FCW desgined especially for 4 stoke Outboard Motors.
  • Exceeds OEM requirements-will not void engine warranty
  • Surpasses API requirements for SJ, CF-4 and CH-4. Provides maximum protection in severe, high RPM applications.
  • Additive package optimizes engine cleanliness, prevents sludge build up.
Bestseller No. 10
Mercury Optimax /DFI 2-Cycle Outboard Oil 1 Gallon 92-858037K01
  • Mercury Optimax/DFI oil is recommended for use in Mercury and Mariner Optimax and direct fuel injected DFI 2-cycle outboards
  • Maximizes the performance of Mercury and Mariner Optimax and DFI engines where reduced oiling rates and higher operating temperatures put increased demands on lubricants
  • Synthetic additives provide increased lubricity and resistance to scuffing

Last update on 2023-02-02 / Affiliate links / Images from Amazon Product Advertising API

How to find the best outboard motor oil?

Here, we’ll be going over a number of factors that you can use to ensure that you’re purchasing the best outboard motor oil for you.

Regardless of which type of item you’re looking to buy, chances are that there are existing buying guides on the internet, all of which aim to give you good outboard motor oil recommendations.

Despite these recommendations, however, it’s always a good idea to do your own research. In addition to this research, asking yourself the following questions is also super helpful:

  • What features does the outboard motor oil need to have to be perfect for my needs?
  • What is my budget?
  • Do I need to purchase a certain brand?

Once you’ve answered these questions and have a good idea of what you’re looking for and the buying process becomes much easier. Keep in mind that when looking for the best product, there’s no need to rush. In fact, very rarely are the ideal products found by choosing the first one you see or by basing your decisions on only one factor. Take your time and enjoy the process!

Now, with the answers to the previous questions in mind, we urge you to use our upcoming buying guide for outboard motor oil to find what you’re looking for:

Brand

In some cases, the brand of outboard motor oil is very important. For example, if you’re looking for an item that works in tandem with another, you might very well need both products to be the same brand. If this is the case, it’s vital to pay attention to this factor, as choosing the wrong product can mean the difference between wasting your money and buying a great product that functions as it should.

Features

The features in any given outboard motor oil are important because they can dictate which version of an item you need and how much money you need to spend. Consider all the key features that you want your item to have and don’t settle for anything that doesn’t check at least ¾ of your boxes.

Reviews

Customer reviews about outboard motor oil are crucial – especially when you’re buying a product that costs a lot of money or serves a big importance. Luckily, most products can be found online, which means that it’s common for there to be scores of customer reviews from those who have already purchased any given product.

Pay attention to these reviews. Take note of the pros and cons that they mention, and factor these into your big decision. In some cases, you’ll be forced to sacrifice one con in order to gain a particular pro, but being aware of the potential con is going to be beneficial in either case.

Quality

Of course, quality is key. You don’t want to purchase a low-quality product. If you do, you run the risk of your item breaking, not working properly, or otherwise proving to be very disappointing, as well as a waste of money.

You can compare outboard motor oil quality by researching what your potential purchases are made from, contrasting the individual items against each other to discern which one is made of the best materials.

Warranty

Warranty isn’t always going to be important, but it definitely can be. This is especially true if the item in question is tech-related or expensive. A good warranty will be valid for an extended time after purchase and cover a variety of problems ranging from item defects to random accidents, water damage, and other miscellaneous events that could ruin your product.

Conclusion

The quest to find the best outboard motor oil can be daunting – but it doesn’t have to be. It can be made much easier by asking yourself a few simple questions and then thinking critically about the items you want to buy. Consider their features, quality, brand, warranty, and customer reviews and you’re more likely to make a great purchase.