Customer Ratings & Reviews

I have been using this in a Gravely lawn tractor with a 20hp Kohler engine for over 10 years now. I recently had to adjust my valves and I could not believe how clean the valve train was when I pulled the cover off. The inside of the valve cover and the valve springs looked brand new! My mower does not burn any oil and does not leak and I am looking forward to many more years of life. I have over 3,000 trouble free hours on the motor now and the it still runs like brand new! I change the oil and filter only once a season, usually in the fall. Highly recommend!

used this in two ride on power trowels they run a lot smoother and more quiet very noticeable

used for riding mower, walk behind mower, and generators.

I always took the used motor oil (Amsoil Signature Series 5W-30) from my show truck with approximately 1,000 miles / 2 years of use or the 20W-50 Synthetic V-Twin Motorcycle Oil from my Harley with equally low mileage for my small engines. I knew they were providing my small engines with great protection. Now, I see that you have developed a small engine oil specifically for them. I'm sure that you have instilled all the properties that they need. Thank you for your amazing products. I give you 4 stars because I haven't used it very much yet, and it may not be perfect.

It is great oil, works great on the high revving engine.

I have converted every vehicle, and piece of equipment I own from conventional oil to Amsoil synthetic. Even including our boat motor. I am very pleased, and impressed. Thankyou Amsoil. Walter Jones Lebanon Tn

Have used it in my 1996 John Deere riding mower. Main part of the reason the Kohler engine is still in the great shape it is in today. Use it in my Honda push mower and Craftsman snow blower and have had nothing but long life in that equipment.

Use in all my small engines. Lawn mowers, lag splitter, pressure washer and trash pump. Have not had any issues. Been using for years.

Better fuel economy and lower operating temps.

Works great in my gas powered golf cart!

Have been using Amsoil small engine oil in my John Deere X720SE Tractor, Ferris IS2100Z and Timberwolf TW P1 log splitter. Easy starts in frigid temps and protection in summer heat.

Taking care of small engines is essential. They work hard and friction is the enemy. AMSOIL Small Engine oil is the only oil that goes into my Honda engines. It has definitely extended life of engines as I run them hard as often with no need for rebuilds in over 5 years of heavy use. AMSOIL products will not fail your equipment, ever!

I have been using Amsoil products for well over 10 years now. I started using 100 % synthetic oil in my cars then my boats, trucks and all my lawn mower equipment. I truly believe it is why my engines run smoother and last longer then they would with conventional oils. I'm a customer for life.

30 inch Toro mower use to run out of gas before I could finish mowing the lawn. After using Amsoil small engine oil I have gas leftover. Amazing oil highly recommend!

I run it in my lawnmowers does a great job won’t run anything else.

never had a problem with this oil I use this oil in all of my motors tractor lawn mower blowers thanks JPK

Got away from the cheap store brand oil and put a quart of this liquid gold into our new generator for peace of mind. Ran throughout Hurricane Zeta, no problems!