Customer Ratings & Reviews

Excellent quality, durability. I use this in my 2004 Yamaha grizzly for years. Engine works as new with over 800 hours on it!

I always used the recommended lubricants on my side by side until a friend recommended Amsoil to me. Gave it a try and my oil has never looked better. I now use Amsoil in everything I own. PS. the 2 stoke Saber is amazing.

I like it

This oil works good for me.

Run this stuff all the time. Change oil every year and Amsoil comes out clean and clear.

So far , I am happy with the oil. The only problem that I had was with the delivery time getting my order, but after calling and emailing Amsoil you guys took care of it. Customer service resent my order without me knowing and when I got your email about my order , I received my order and then I emailed C.S. about this and they told me to keep it because the trouble that I went through. Thanks

My Amsoil shipment is always on time and right ,also I love the product.

Usually by the oil change kit but wanted several extra quarts.

I can’t find a better oil for my predator or king quad. They both work amazingly when I use AMSOIL

I have never been disappointed by any AMSOIL product.

The owner asked me to service his quad, and fix a couple problems while I'm at it (oxygen sensor and fuel injector sticking open). Used the ATV-UTV 10-40 from AMSOIL and this quad seems to run just a little smoother. Love AMSOIL products, it's all I use in my vehicles.....period.

My UTV works hard in the WV mountains and I depend on the superior protection from wear and tear with Amsoil products.

I use this oil in my Cub Cadet side-by-side. It does a good job of helping stop fuel dilution of the oil (b/c of fuel injection). It allows me have a more normal oil change interval because the oil level increases over the interval and this quality oil has helped remedy that issue. This oil even when contaminated with gasoline still comes out of the engine clean at oil changes.

We run this in our Yamaha YFZ450R GNCC and local race quads. We get better top end life and clutch life than with previous brands. We also run it in our KTM and Yamaha dirt-bikes with the same great results. I highly recommend Amsoil for your 4-stroke powersports needs.

Been running since 1st lil change, motor runs nice and smooth.

This is a great product, the long drain interval is awesome! I’ve been using amsoil stuff for over 20 years, and I couldn’t be happier! Thanks for great products!

Been using this in my Honda Talon since I bought it used with 1'800 mi 80 hrs currently 14,500 and 780hrs problem free defiantly recommended!!!

Been using for 2 oil changes and atv runs fine

Since I started using AMSOIL, the oil’s performance is outstanding.

This is the first time I have used Amasoil oil, so I really don't know much about it.It is more expensive than other oil.