by Peter |
Last Updated: May 4, 2023 If you are looking for the best four stroke engine oil of top quality, read our detailed reviews on them here before making the purchase decision.
In Hurry? Checkout Our Top Pick Of Best Four Stroke Engine Oil.
Our Top Pick
9.7/10 our score
Best Four Stroke Engine Oil
| Rank | Product Name | Score |
|---|---|---|
|
1
|
Yamalube All Purpose 4 Four Stroke Oil 10w-40 1 Gallon
|
9. 7
|
|
2
|
Quicksilver 10W-30 Oil Change Kit for 175hp Through 300hp 4-Stroke Mercury V6 and V8 outboards
|
9. 5
|
|
3
|
MERCURY 4-Stroke Engine Oil
|
9. 1
|
|
4
|
Mercury OEM Oil Change & Filter Kit 40-50-60hp Four Stroke Outboard 8M0081916
|
8. 8
|
|
5
|
Quicksilver 25W-40 Oil Change Kit for 4-Stroke 40hp, 50hp and 60hp Mercury outboards
|
8. 6
|
|
6
|
Quicksilver 25W-40 Oil Change Kit for 4-stroke 75hp, 90hp and 115hp Mercury 1.7L outboards
|
8. 2
|
|
7
|
WPHMOTO Lifan 150cc Engine Motor for XR50 CRF50 XR CRF 50 70 Dirt Pit Bike Motorcycle | 1N234 Gear 4 Stroke Oil Cooled Racing Engine
|
8. 0
|
|
8
|
Quicksilver 10W-30 Oil Change Kit for 4-stroke 150hp Mercury and Mariner outboards
|
7 .7
|
|
9
|
Stens Shield 770-132 SAE 10W-30 4-Cycle Engine Oil Quart
|
7. 4
|
|
10
|
Valvoline High Mileage 150K with Maxlife Plus Technology 5W-20 Motor Oil 5 Quart
|
7. 2
|
1. Yamalube All Purpose 4 Four Stroke Oil 10w-40 1 Gallon
1
9.7/10 our score
Features
- Yamalube OEM Factory 4 Stroke All Purpose Oil
- Performance-Blend is Suitable for use in Motorcycles, ATVs, Side-by-Side Vehicles, and Scooters
- Mineral Oil Provides Stable Clutch Performance and Strength to Protect the Engine from Wear and Tear
- Oil Meets or Exceeds the JASO MA Requirements
- Genuine OEM Yamaha Product
2. Quicksilver 10W-30 Oil Change Kit for 175hp Through 300hp 4-Stroke Mercury V6 and V8 outboards
2
9.5/10 our score
Features
- Everything you need for an oil change on all 175hp through 300hp 4-stroke Mercury V6 and V8 outboards in one box
- Kit includes (7) 1L bottles of Quicksilver 10W-30 4-Stroke Marine Engine Oil, Quicksilver premium oil filter, drain plug seal and funnel
- 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
- Quicksilver oil is certified for use in all leading marine brands
- NMMA FC-W and FC-W Catalyst Compatible
- Kit includes Quicksilver 8M0176312 oil filter
3. MERCURY 4-Stroke Engine Oil
3
9.1/10 our score
Features
- Genuine OEM Factory Original Equipment Lubricant
- For use in Mercruiser Inboard & Sterndrive engines
- For use in Mercury Verado outboard motors
- Superior corrosion protection
- Most recommended OEM marine engine oil
4. Mercury OEM Oil Change & Filter Kit 40-50-60hp Four Stroke Outboard 8M0081916
4
8.8/10 our score
Features
- 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.
5. Quicksilver 25W-40 Oil Change Kit for 4-Stroke 40hp, 50hp and 60hp Mercury outboards
5
8.6/10 our score
Features
- Everything you need for an oil change on all 40hp through 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
- Special viscosity improvers help to optimize the performance of high-rpm 4-stoke outboards
- NMMA FC-W and FC-W Catalyst Compatible
- Kit includes Quicksilver 8M0162830 oil filter
6. Quicksilver 25W-40 Oil Change Kit for 4-stroke 75hp, 90hp and 115hp Mercury 1.7L outboards
6
8.2/10 our score
Features
- Everything you need for an oil change on all 75hp, 90hp and 115hp Mercury 1.7L outboards in one box
- Kit includes (5) 1L bottles of Quicksilver 25W-40 4-Stroke Marine Engine Oil, Quicksilver premium oil filter and drain plug seal
- 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
- Special viscosity improvers help to optimize the performance of high-rpm 4-stoke outboards
- NMMA FC-W and FC-W Catalyst Compatible
- Kit includes Quicksilver 877761Q01 oil filter
7. WPHMOTO Lifan 150cc Engine Motor for XR50 CRF50 XR CRF 50 70 Dirt Pit Bike Motorcycle | 1N234 Gear 4 Stroke Oil Cooled Racing Engine
7
8/10 our score
Features
- High performance Lifan 150cc engine, 1-N-2-3-4 Gear, manual clutch, 4 stroke 4 speed, Shaft size: 17mm
- Replacement / upgrade for XR50 CRF50, Kawasaki KX KLX and other most popular dirt bikes
- This kit comes with engine, starter & gear lever, manifold kit, CDI Box, Ignition coil
- Easy to hook everything up: Just remove your existing engine and reverse the process to put the new one in
- See below Product Description for more specifications
8. Quicksilver 10W-30 Oil Change Kit for 4-stroke 150hp Mercury and Mariner outboards
8
7.7/10 our score
Features
- Everything you need for an oil change on all 150hp Mercury and Mariner outboards in one box
- Kit includes (5) 1L bottles of Quicksilver 10W-30 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
- Quicksilver oil is certified for use in all leading marine brands
- NMMA FC-W and FC-W Catalyst Compatible
- Kit includes Quicksilver 877761Q01 oil filter
9. Stens Shield 770-132 SAE 10W-30 4-Cycle Engine Oil Quart
9
7.4/10 our score
Features
- 1-Quart Bottle
- High Quality formual engineered specifically for small engines
- All season formula designed for operation in broad temperature ranges
- Zinc boosters reduce engine wear to extend engine life
- Optimized for use in Kohler and Honda Applications
10. Valvoline High Mileage 150K with Maxlife Plus Technology 5W-20 Motor Oil 5 Quart
10
7.2/10 our score
Features
- MAXLIFE PLUS TECHNOLOGY WITH MOLY ADDITIVE PROTECTION prevents engine breakdown.
- FORMULATED TO REDUCE OIL CONSUMPTION in older high mileage engines
- MULTI-DIMENSIONAL ANTI-WEAR SYSTEM fights surface friction exceeding protection standards
- REFRESH AGING SEALS AND PREVENT LEAKS with seal conditioners
- RESIST OIL BREAKDOWNIN TOUGH CONDITIONS with superior antioxidants that preserve oil efficacy
- MEETS OR EXCEEDS ALL REQUIREMENTS of ILSAC GF-6A, API SP, API SN with SN PLUS, API SN
- AMERICAN MADE & FORMULATED to maximize your engine’s life and improve it’s performance