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Valvoline Full Synthetic Marine 4-Stroke Motor Oil 10W-30
$32.99
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About this item
Description
4-Stroke Full Synthetic 10W-30 Motorcycle Oil is formulated with advanced technology and superior additives for better engine cleanliness, durability, and enhanced friction protection. It now delivers up to 5X better durability vs. industry standards in IVA engine tests and up to 20% better engine cleanliness vs. typical API SL quality engine oil in Honda XR250 engine test. Valvoline’s improved full synthetic formula is designed to help your bike run at peak performance. From sport bikes and V-Twins to cruisers and off-road bikes, count on it for excellent protection in 4-cycle motors. Engineered to lubricate not only the motor but also the clutch and the gearbox, Valvoline goes above industry standards with up to 10x better friction protection for maximum power transfer & smooth shifting in wet clutch transmissions vs. JASO T903:2016 friction std. Whether you ride the Harley Davidson Sportster, Yamaha R6, Ducati Scrambler, Honda CRF or Suzuki GSX to name just a few, Valvoline Full Synthetic 4-Stroke Motorcycle Oil brings out the best in your bike.
Net weight: 128 ounces
TCIN: 1001005195
UPC: 074130069145
Origin: made in the USA
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Shipping details
Estimated ship dimensions: 8.2 inches length x 4.5 inches width x 10.9 inches height
Estimated ship weight: 7.5 pounds
item ships from third party seller: Valvoline
Return details
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Guests are saying
Valvoline 4 Stroke Marine Full Synthetic Motor Oil is highly praised for its performance and reliability across various marine and automotive applications. Guests appreciate its ability to maintain engine health, enhance performance, and extend oil change intervals. Many have noted the oil's smooth operation and ease of use, making it a preferred choice for both recreational and professional use. This product stands out for its competitive pricing and trusted brand reputation, ensuring guests feel confident in their purchase.
Summary created by AI from text of reviews reflecting recent feedback provided across different star ratings (includes incentivized reviews)
5.0 out of 5 stars with 39 reviews
5 out of 5 stars
9 August, 2025
originally posted on Valvoline
Full synthetic for less than synthetic blend
I can get full synthetic 10W-30 Valvoline marine oil for less than the cost of mercury labeled synthetic blend oil. I have full confidence in this oil and have had no issues with two changes so far. For the price difference, I can change the oil midseason and have that OCD feeling that it’s running cleaner oil all season long.
5 out of 5 stars
11 July, 2025
originally posted on Valvoline
As advertised
Using it in 2001 Suzuki 115 and 2016 Mercury 150. Both performing well.
5 out of 5 stars
14 May, 2025
originally posted on Valvoline
Top quality four stroke marine Oil
[This review was collected as part of a promotion.] Valvoline 4 stroke Marine Oil is the best . As a fishing guide with a very booked up short season I need reliability and this oil delivers . My Yamaha F 150 TXR run so smooth on it and I even think they are quieter on idle and start faster I traded in my first set of outboards at 3000 hours they were resold and are still going strong at 4500 hours with full compression . Highly recommend .
5 out of 5 stars
7 April, 2025
originally posted on Valvoline
Quiet motor
Motor seems to tun quiter er. Good price on a great oil.
5 out of 5 stars
20 November, 2024
originally posted on Valvoline
Great oil good price.
[This review was collected as part of a promotion.] Works great in my 115hp. still clean after 100hrs.
5 out of 5 stars
4 August, 2024
originally posted on Valvoline
as advertised
good price on sale, shipping as advertised, arrived in perfect shape
5 out of 5 stars
18 July, 2024
originally posted on Valvoline
Marine oil.
[This review was collected as part of a promotion.] Great product, great price and shipping. Would buy again.
5 out of 5 stars
12 July, 2024
originally posted on Valvoline
I like this marine oil, good quality
[This review was collected as part of a promotion.] Seems just as good as yamalube marine full synthetic at half the price
5 out of 5 stars
11 April, 2024
originally posted on Valvoline
Great Marine FC-W Full Synthetic
[This review was collected as part of a promotion.] This is a great full synthetic oil that is marine FC-W. Nice to see a FC-W marine option in a full synthetic to compete with the few other pricey options, with the some better specs in an analysis.
5 out of 5 stars
25 July, 2023
originally posted on Valvoline
Good for Maintaining
[This review was collected as part of a promotion.] I use this oil in my jetski every few rides. It has helped to maintain peak performance and so far I can’t say I’ve had any issues due to lack of maintenance. Sometimes we get a little rowdy on the river and being confident my machine holds up helps me to have the biggest fun.
5 out of 5 stars
20 July, 2023
originally posted on Valvoline
Works great!
[This review was collected as part of a promotion.] Very trusted brand for oil to any car! I have a European vehicle which takes only this type of oil and I would not change brands for anything. Reliable and durable for any car. Never have to second guess what’s going on your car! Highly recommend!
5 out of 5 stars
17 July, 2023
originally posted on Valvoline
Best Oil on the market
[This review was collected as part of a promotion.] I use only this oil strictly in my pontoon 4 stroke engine. We have an evinrude 250hp and the I check the valves and spark plugs regularly. The plugs (in my opinion) last much longer (approx 25-30%) when they changed oils.
5 out of 5 stars
14 July, 2023
originally posted on Valvoline
Great motor oil!
[This review was collected as part of a promotion.] Valvoline™ - 4 Stroke Marine Full Synthetic Motor Oil is nice. This oil is easy to use and works really well with my boat. My boat has been running so much more smoothly since using this oil compared to what I usually use. I would highly recommend!
5 out of 5 stars
14 July, 2023
originally posted on Valvoline
Easy to install
[This review was collected as part of a promotion.] I installed this in my ford and it makes the car run like a dream. This product has a nice pour and was very easy to get into the vehicle. I would recommend this to anyone who can put synthetic motor in their vehicle.
5 out of 5 stars
13 July, 2023
originally posted on Valvoline
Works great
[This review was collected as part of a promotion.] I have always kept up the maintenance on all my toys cars whatever it is I do the maintenance and always look for top end oils lubes so they last a long time well the valvoline 4 stroke marine full synthetic motor oil is a top player to keep your boat engine running tip notch I will be using this for now on
5 out of 5 stars
12 July, 2023
originally posted on Valvoline
Synthetic Oil for long run
[This review was collected as part of a promotion.] Boat engines sometimes have to go through rough operations depending on the situation. Therefore, to keep the engine running smoothly it is highly recommended to use synthetic oil. It helps for a longer oil change cycle. This oil does the same. Valvoline is a trusted brand; you can trust this oil for your engine. It is highly recommended.
5 out of 5 stars
12 July, 2023
originally posted on Valvoline
Great for Engines
[This review was collected as part of a promotion.] My boat had a light knocking sound that has been eliminated using Valvoline 4 Stroke Marine Full Synthetic Motor Oil. I was amazed after changing my current oil and replacing it with Valvoline. This has made me rethink the brand of oil I use in my vehicle.
5 out of 5 stars
11 July, 2023
originally posted on Valvoline
Works good
[This review was collected as part of a promotion.] I am pleased with this motor oil. I personally use this for my motor bike and It last longer than expected with no issues so far. I have observed smoother shifting while using it. I am confident using this oil for my motor bike. Highly recommended.
5 out of 5 stars
10 July, 2023
originally posted on Valvoline
Great oil
[This review was collected as part of a promotion.] It is hard to review oil as when its working, its working and you don't notice it. Thats the case with this oil. It goes in, the engine sounds smooth and you don't notice it. Its full synthetic so it lasts longer than traditional oil and can go longer between oil changes.
5 out of 5 stars
10 July, 2023
originally posted on Valvoline
Good value
[This review was collected as part of a promotion.] It is hard to write a review on engine oil but I do trust the name Valvoline. I pretty much only use synthetic oil in all my vehicles. I figured having synthetic in my boat is a good idea too. I've used Valvolune in my cars for years. And so I'm giving this to try, so far so good.