I've used Amsoil in all my bikes since 2008. I send every other oil change to Blackstone for analysis and it always comes be great. Amsoil is all I use in all 3 holes.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Oil
By 
TIM, 
a 
Verified Buyer 
on 
August 07, 2023
Oil works excellent in my bike
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
HD
By 
GARY, 
a 
Verified Buyer 
from 
South Florida 
on 
August 05, 2023
This oil is a very good product for the money. I don’t have access to a laboratory to actually test all the claims that all the petroleum companies, profess however, my Road Kings seem to run somewhat cooler and use less oil with AMSOIL. I have used multiple oils and I’ve settled on this one for my rides.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Quickservice
By 
BRIAN, 
a 
Verified Buyer 
on 
July 30, 2023
Quickservice noticed a difference since I switched to amsoil
Amaoil is the original synthetic and the leader in quality. I use nothing but Amsoil in all my vehicles from my truck to my ATV.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
The only oil trust for my Harley
By 
TimU, 
a 
Verified Buyer 
from 
Clinton Township, Michigsn 
on 
July 13, 2023
My FLHTCU now has 72000 miles on it.
From the first 600-mile oil change, this is the only oil I have used.
My oil is changed every 5000 miles.
Every time I change the oil, I submit a sample for analysis. Each time, it comes back clean.
At my last full service, I did a cylinder leak-down test, and the results returned 5%. Outstanding for an air-cooled engine at 70000 miles!
Best oil on the market.
I have been using Amsoil in my Motorcycles for over 20 years. I service many bikes in my shop over the course of a year & always suggest Amsoil. Have never experienced any issues. It provides the needed protection for all temperature ranges. I just returned from a 6200 mile motorcycle trip with absolutely no issues. I also like the extended mileage between oil changes. I typically go 7500 miles between changes but accidently went 10,000 miles one time and the oil looked normal when I did change it.
Definitely an excellent choice for maintaining engine performance and endurance.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Motorcycle & Truck oil
By 
JEFFREY, 
a 
Verified Buyer 
from 
Fort Lauderdale Fl 
on 
July 05, 2023
I’ve been a mechanic all my life and always use Amsoil , have had it tested after use and could keep it running longer . It out last Harley oil by far and is a better lubricant, I also use it in my Diesel and always will . Oil is the heart of keeping it lubed so use the best.
This oil is excellent. Have never had a oil related problem with Amsoil . I ride a lot and with sitting in traffic or having to go 5 miles per hour in bumper to bumper traffic with a air cooled motor i have never had the engine knock from over heating.
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