My Harley has a complete stage 1 plus ,cams, a tuner, so I reckon its stage 2. I live in Georgia. The summers are very hot. I've never had more than 15psi oil pressure at 2000rpm, when its hot. I now have close to 25psi when hot at 2000 rpm with this 60 weight oil. At idle. It would read less than zero. Before. Now it does read 5 to 7 lbs when hot. Thats enough for a roller bearing engine. They say not to use it at less than 40 degrees... thats fine I won't. Im more of a fair weather rider anyway.
I've been using Amsoil for several years on all of my vehicles. I've analyzed the different oils I've used in my 2015 HD Ultra and the Amsoil always comes out on top in all of the categories. It seems to run a little cooler on those long hot days and when draining the primary oil, I also see a lot fewer shavings then I have with some other oils as well. It may be a little more expensive, but well worth it.
Best oil out there... been using it exclusively on my Harleys for many years. I have converted quite a few of my Harley riding friends over to Amsoil also. I just had my local H.D. dealership do my 1K service on my new Road Glide CVO and they let me bring in my own oil... Amsoil.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Excellent
By 
kd7zic, 
a 
Verified Buyer 
on 
September 04, 2021
Excellent products and great service. Delivery was right on time with no delays.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
20W-50 Oil
By 
Big Mike , 
a 
Verified Buyer 
from 
615 
on 
September 04, 2021
Quality oil that keeps the engine running smooth, cool.
Great product as far as quality and there are definitely people that only want this oil…only issu I can see is the price is a little high especially when buying in bulk this stops me from only going with Amsoil as OEM oil is a fair amount cheaper….
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5 star rating
Awesomeness
By 
ARNE, 
a 
Verified Buyer 
on 
September 02, 2021
Awesome products. Never use anything else. Thanks
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
20w-50-synthetic-v-twin-motorcycle-
By 
ROBBIE, 
a 
Verified Buyer 
on 
September 01, 2021
By 
SHAWN, 
a 
Verified Buyer 
on 
August 30, 2021
Very good for bike^^
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Superior quality
By 
CHARLIE, 
a 
Verified Buyer 
on 
August 30, 2021
I have run what I consider 3 top oils in my vtwins and Amsoil is now choice for protection. Living and riding in Texas means running in the heat and an air cooled engine depends on quality oil to protect it when the ambient temperature is 100+. This oil has done an excellent job where others start to break down and even smell like they are burning.
I’ll be using Amsoil for the life of my bike.
I’ve been using Amsoil in my Harley for years and never had any issues. When I do my oil changes the oil still looks like it is newer, unlike the other brand I used prior to going with Amsoil.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Great as always
By 
JEREMY, 
a 
Verified Buyer 
on 
August 27, 2021
I've used amsoil in all my motorcycles and quads and never had a engine failure. I bought the 60w for my 11 second harley road glide and so far I have 20psi oil pressure at idle and at 100mph it has hit 53psi and its runs cooler
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