In this article, we will explore the Best 4 Stroke Outboard Oil that are now on the market. In addition to that, we have provided you with a detailed guide that will assist you in choosing the right product. We really hope that by looking through the reviews of the top Best 4 Stroke Outboard Oil products that we’ve provided below, you’ll be able to quickly narrow your choices and select the one that best satisfies your needs.
We have spent lots of time testing. According to our research, we think Quicksilver Best 4 Stroke Outboard Oil is the best overall. For more of our top picks, read on! Also, check out our buying guide for some tips on how to choose the right Best 4 Stroke Outboard Oil.
Editor's Choice
Valvoline 4-Stroke Marine Full Synthetic Engine Oil 1 Quart
Top 10 Best 4 Stroke Outboard Oil
We researched and compared the top products in the Best 4 Stroke Outboard Oil category to provide you with these recommendations.
1. Quicksilver 10W-30 4-Stroke 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
- 10W-30 viscosity
- Manufacturer part number 8M0078617
2. Valvoline 4-Stroke Marine Full Synthetic Engine Oil 1 Quart
- 50% stronger wear protection to meet the extreme heat and higher RPM demands of 4-stroke marine engines
- Up to 8X better rust defense. Running or stored, your marine engine takes in moisture. Left unprotected this exposure can lead to severe rust damage
- Engineered specifically for the unique demands of marine motors
- Premium full synthetic formula for performance and durability in extreme conditions
- American made and formulated, from the Original Motor Oil brand trusted for more than 150 years
3. Valvoline 4-Stroke Marine Full Synthetic Engine Oil 1 Gallon
- 50% stronger wear protection to meet the extreme heat and higher RPM demands of 4-stroke marine engines
- Up to 8X better rust defense. Running or stored, your marine engine takes in moisture. Left unprotected this exposure can lead to severe rust damage
- Engineered specifically for the unique demands of marine motors
- Premium full synthetic formula for performance and durability in extreme conditions
- American made and formulated, from the Original Motor Oil brand trusted for more than 150 years
4. Yamaha New OEM Yamalube 4M 10W30 4-Stroke Outboard Marine Oil, LUB-10W30-FC-04
- Conventional, mineral-based engine oil
- High shear stability
- Powerful corrosion and wear protection
- Best blend of anti-foam technology available
- Gallon
5. Quicksilver 10W-40 4-Stroke Marine Engine Oil, 1 Quart
- 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 engine manufacturer's warranty requirements and recommendations including FC-W and FC-W catalyst compatible
- 10W-40 viscosity
- Manufacturer part number 8M0148476
6. OEM Mercury 4-Stroke FCW 10W-30 Outboard Motor One Quart
- Superior corrosion protection
- Size: 32oz
- 10W-30
- Superseded From: 92-858045K01
- Outstanding lubricity for internal engine components to reduce wear, scuffing and scoring
7. Quicksilver 25W-40 4-Stroke Marine Engine Oil, 1 Gallon
- Direct replacement for Mercury Marine 8M0078628
- Designed for use in 4-stroke marine engines
- Formulated to provide superior corrosion resistance and wear protection to maintain peak engine performance and reliability
- Special viscosity modifiers help to optimize the performance of high-rpm 4-stroke outboard motors
- 25W-40 viscosity
- Produced to meet Mercury Marine original equipment manufacturer specifications to best protect your outboard
- Manufacturer part number 8M0078620
8. Quicksilver 25W-40 4-Stroke Synthetic Blend Marine Engine Oil, 1 Gallon
- Direct replacement for Mercury Marine 8M0078630
- Designed for use in 4-stroke marine engines
- Synthetic blend formulated to provide ultimate corrosion resistance and wear protection in high-rpm 4-stroke outboard motors
- Offers industry-leading strength and viscosity retention to maintain peak engine performance and reliability
- 25W-40 viscosity
- Produced to meet Mercury Marine original equipment manufacturer specifications to best protect your outboard
- Manufacturer part number 8M0078623
9. Mercury OEM Oil Change & Filter Kit 40-50-60hp Four Stroke Outboard 8M0081916
- Mercury 25W-40 Marine Engine Oil features high-tech, advanced anti-wear additives that provide up to 35% better camshaft wear protect
- Designed to maintain engine reliability and performance, tests have shown that Mercury 25W-40 Marine Engine Oil holds its viscosity ratings longer in industry wear-testing than other oils on the market.
- Mercury Oil, combined with a Mercury Oil Filter will offer optimum marine engine protection.
- NOTE: It is recommended that boat owners change their engine oil annually or as noted in their owners manual.
10. Quicksilver 25W-40 Oil Change Kit for 4-Stroke 40hp, 50hp and 60hp Mercury Outboards
- Everything you need for an oil change on all 40-60hp Mercury outboards in one box
- Kit includes (3) 1L bottles of Quicksilver 25W-40 4-stroke marine engine oil, Quicksilver premium oil filter, drain plug seal and drip tray
- Quicksilver 4-stroke marine engine oil is formulated with advanced corrosion inhibitors and provides outstanding lubricity to reduce wear, scuffing and scoring for improved long-term engine reliability
- Part number 8M0081912
- NMMA FC-W and FC-W Catalyst Compatible
Peter
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