Customer Ratings & Reviews

Oil works great, quiets the motor down and helps it to run cooler and last longer between changes.

Creating an account and ordering we’re easy. Shipping was fast.

VStar 1100 runs quieter in higher summer temps with this oil than all the others I have tried… It’s good stuff!

Amsoil in all three holes. Primary, Trans and engine get hole specific fluids. i can feel the difference and I probably change all of them too often but riding in SoCal is a BISH. added Fan Assist Ultra Cool w/ their billet oil filter and i can stretch out my fluid changes Hopefully.

Everything works better.

Amsoil is superior for Harley Davidson motorcycles. I have used the recommended oil and Harley synthetic but Amsoil runs noticeably cooler on hot days without any overheating issues

Excellent Oil

Fast delivery, good product

Oil meets expectations for hot/cold weather and convenient that it works in all 3 areas, engine-primary-transmission

The 20-50 and 15-60 is what I trust in my Harley Road Glide Ultra

1st in performance and 1st in products.

I have used this oil in all my Harley since it was new. Never had any issues with over 100,000 kms traveled. I just got a new Harley and will always use it in the new bike.

This is my second season running this oil in my 2008 Yamaha V Star 650. There is a noticeable difference in shifting. The bike shifts much smoother now. The bike runs cooler as well on really hot days. I will continue to use this oil each season from here on.

I am not reviewing the oil, although my bike shifts better with this oil and I love the longer change interval. I’m praising the AMSOIL customer service. I tumped over a quart and lost half of it that I needed for a change. I placed another order the following day. I emailed AMSOIL that night, explaining my plight. Kelly from Cust. Svc. emailed back the next day, and that order arrived got here in a flash. Kelly even replied to my follow-up thank you email. Great, great customer service.

After changing over to this oil my engine has never been smoother. I’ll definitely stick Amsoil!

This is the best oil for Indians, period. My engine runs cooler and quieter with Amsoil.

I’ve been using AMSoil for about 40 years in all my vehicles and for good reason, its the best! I won’t stop using it unless they quite making it, and that’s not likely to happen!

only oil my bike has seen for 16 years

This is the best Harley oil money can buy. I’ve put this oil in multiple bikes and had the engine run noticeably quieter. Also because Harley’s are already some what sensitive to warming up before you ride, the straight weight doesn’t have much down side in 55 degree and above weather.

This is the only oil I use in my 02 Harley because I want protection for my Bike so it will Last my life time