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Reviews for SAE 10W-30 Formula 4-Stroke® Marine Synthetic Motor Oil (WCT)

 SAE 10W-30 Formula 4-Stroke® Marine Synthetic Motor Oil (WCT) 10W30
Product Code: WCT • Brand: AMSOIL



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 SAE 10W-30 Formula 4-Stroke® Marine Synthetic Motor Oil (WCT) 10W30

Product Reviewed: SAE 10W-30 Formula 4-Stroke® Marine Synthetic Motor Oil (WCT)
Current Rating: 4.69 out of 5 stars
Votes & Reviews: 13 vote(s) and 34 user reviews.


A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Norman: space

My first boat. Amsoil is my only choice.

This is my first boat. It has a Yamaha 175hp SHO 4-Stroke. I have Amsoil in everything I own. After the breakin hours passed. I replaced everything with Amsoil. Motor,lower unit and bearing grease. It's the only oil for me. Always a Great choice.

Item Reviewed: Four Stroke Marine Motor Oils (WCF,WCT)
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A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by James: space

I buy this marine-specific synthetic oil.

I use this great lube oil for my 1990 Cruisers Esprit with twin Crusader 350's. I am never disappointed with this synthetic, even though they were designed for straight SAE 40. They run smooth and oil pressures are spot on.

Item Reviewed: Four Stroke Marine Motor Oils (WCF,WCT)
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A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Robert: space

The best oil I've used so fat

Fantastic no issues with this product will buy again and recommend it

Thanks

Item Reviewed: Four Stroke Marine Motor Oils (WCF,WCT)
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A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Andres: space

Yes

Perfect oil

Item Reviewed: Four Stroke Marine Motor Oils (WCF,WCT)
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A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Bryan: space

Great value

Great value

Item Reviewed: Formula 4 Stroke Marine Motor Oils
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A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Triston: space

I will buy this again

Great product, love it

Item Reviewed: Four Stroke Marine Motor Oils (WCF,WCT)
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A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Russell: space

Oil

Use Amzoil in all my cars and motorcycles, jetski's etc.
Never had an oil related failure.
Will continue to trust Amzoil.

Item Reviewed: Four Stroke Marine Motor Oils (WCF,WCT)
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A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Robert: space

Great stuff

Great stuff. Boat runs way better.

Item Reviewed: Four Stroke Marine Motor Oils (WCF,WCT)
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A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Brian: space

Yes

Great product when two outboards cost 50k you use the best product possible. Please make filters for yamaha outboards

Item Reviewed: Four Stroke Marine Motor Oils (WCF,WCT)
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A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Vic: space

Improved power

I recently started using Amsoil Marine in our Yamaha Jet Boat. With the boat being 6 years old, I immediately notice a quieter ride and was most impressed by the 5-7% thrust improvement (3-5mph). We will be using it in our jet skis next

Item Reviewed: Four Stroke Marine Motor Oils (WCF,WCT)
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A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by RMC: space

Excellent engine oil

Excellent outboard motor oil, engine runs smoother and quit with this oil. I would recommend this product for all outboard motor owners. Best product out there! I live in Hawaii and I never got any free shipping or any free products. Thanks!

Item Reviewed: Four Stroke Marine Motor Oils (WCF,WCT)
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A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Bobby: space

Best for my boat!

I have been using this in my Yamaha 150 4 stroke for over 10 years. I recently replaced the balancer and had the opportunity to inspect the engine internally from the bottom end. I observed absolutely zero wear on visible internal engine parts and the engine was so clean inside it looked brand new!

Item Reviewed: Four Stroke Marine Motor Oils (WCF,WCT)
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A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by West Coast Boater: space

Trusted product

Use it on both my Yamaha 2016 115 hp and 2017 9.9 high thrust motors.

Item Reviewed: Four Stroke Marine Motor Oils (WCF,WCT)
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A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Tomace: space

Runs in everything

Keep the motor cool and quiet

Item Reviewed: Four Stroke Marine Motor Oils (WCF,WCT)
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A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Chris: space

Love this stuff

Just recently bought a chaparral SSI sport bowrider boat took it out twice and got 47 miles per hour. change the oil to amsoil 10w 30 for boats take it back to the lake and ran it hard and got a solid 50 miles per hour.

Item Reviewed: Four Stroke Marine Motor Oils (WCF,WCT)
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A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Reeling: space

Great product

I use Amsoil in my boat for the last three years. The engine seems more quiet and the oil level stays at the same level throughout the boating season.

Item Reviewed: Four Stroke Marine Motor Oils (WCF,WCT)
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A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Chris: space

So far so good

I bought a Seadoo GTR 215 supercharged unit and was looking for oil to complete an oil change. I've had great success with Amsoil in the past in sleds and atvs so I wanted to use in my Seadoo. I had read mixed reviews about using the Amsoil Synthetic marine oil in the supercharged skis due to supercharger clutch slip. But so far I've had no issues after approx 12 hours of riding.

Item Reviewed: Four Stroke Marine Motor Oils (WCF,WCT)
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A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Bob: space

25W-40

We use this product for a 60HP Mercury 4-stroke outboard motor. Love the product, and it is a great value also!

Item Reviewed: Formula 4 Stroke Marine Motor Oils
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A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Millerlite66: space

Works for me

I run this oil in a 1988 Glastron. I'm the second owner. I have used the 10w40 Marine oil for the 18 years I have owned this boat. It has a 7.4 liter GM big block in it . I have never had an engine problem that had to do with lubrication. Just sayin.

Item Reviewed: Four Stroke Marine Motor Oils (WCF,WCT)
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A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Mitchell: space

Not sure.

Can't tell the difference.

Item Reviewed: Four Stroke Marine Motor Oils (WCF,WCT)
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A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Louie: space

Outboards

Oil I could trust running offshore

Item Reviewed: Four Stroke Marine Motor Oils (WCF,WCT)
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A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Mismo Titan: space

Simply the Best

We run our sea doos hard and this oil has never let us down. For supercharged skis there are no friction modifiers and it's JASO MA2 which is safe for our superchargers. I've been running amsoil in all my products for a while now and won't run anything else.

Item Reviewed: Four Stroke Marine Motor Oils (WCF,WCT)
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A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Jeff: space

Loyal customer

Good product, quick delivery, nice website, I'm a fan of Amsoil.

Item Reviewed: Four Stroke Marine Motor Oils (WCF,WCT)
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A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Reggie: space

Very impressive product

Developed for Outboards; oil is cleaner after use than regular oil

Item Reviewed: Four Stroke Marine Motor Oils (WCF,WCT)
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A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Bobo0415: space

4-Stroke Suzuki Outboard

Better than Mobile 1. Increased top end, engine runs more smooth at idle. Don't waste your time buying oil from the outboard manufactures, over priced and over rated. Amsoil exceeds Suzuki requirements and will not void warranty. Bought a case, saved on the shipping.

Item Reviewed: Four Stroke Marine Motor Oils (WCF,WCT)
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A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by DonV: space

Only the best

This was my first oil change on my new outboard. I really never considered any other oil. I also used this same oil on the last 4-stroke outboard I had and it performed perfectly.

Item Reviewed: Four Stroke Marine Motor Oils (WCF,WCT)
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A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Showman: space

Great oil

I started using amsoil in my Yamaha because I did not have hour meter to keep track of hours thinking amsoils superior oil would give me some forgiveness if I went a little over recommend hours. I added hour meter, will still use amsoil under preferred customer plan.

Item Reviewed: Four Stroke Marine Motor Oils (WCF,WCT)
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A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by 4 to 1: space

Yes

Yam sport boat

Item Reviewed: SAE 10W-30 Formula 4-Stroke® Marine Synthetic Motor Oil (WCT)
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A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by 4to1: space

Yes

Yam sport boat

Item Reviewed: SAE 10W-30 Formula 4-Stroke® Marine Synthetic Motor Oil (WCT)
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A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by erictm: space

Great Product

Using it in my third engine with great results. Not a repair one on the first two. Keeps engine very clean.

Item Reviewed: SAE 10W-30 Formula 4-Stroke® Marine Synthetic Motor Oil (WCT)
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A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by matt: space

best of the best!!

having a $15k investment and protecting it starts with Amsoil. I use it in everything I own an have had ZERO problems.

Item Reviewed: SAE 10W-30 Formula 4-Stroke® Marine Synthetic Motor Oil (WCT)
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A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by tootall: space

Will buy this product again

Use in my 150HP and 9.9HP Suzuki Outboards

Item Reviewed: SAE 10W-30 Formula 4-Stroke® Marine Synthetic Motor Oil (WCT)
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A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Ronald: space

Best oil I've used in my four-strokes!!!!

I have been using this in my 4 strokes for 10 years- first in Honda 130's and now in Yamaha f250's. I have used Mobil 1, Honda and Yamaha oils and the amsoil is always cleaner at the end of the season and still has a goldish brown color.

Item Reviewed: SAE 10W-30 Formula 4-Stroke® Marine Synthetic Motor Oil (WCT)
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Reviewed by James B: space

Honda BF115

Switched to 10W-30 Formula 4-Stroke marine oil in a Honda BF115 2.3L outboard motor and immediately noticed reduction in engine noise. It hums along much more quieter in all rev ranges, its just that much more smoother to operate this motor. The fuel economy is also better, able to go further with the same amount of fuel. All of it indicating one thing... reduction is internal friction! Will continue to use this product.

Item Reviewed: SAE 10W-30 Formula 4-Stroke® Marine Synthetic Motor Oil (WCT)
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