It keeps engine running much cooler and almost totally stops engine wear. I have toren down air cooled motorcycle engines run on Amsoil for over 100k miles and all major parts were still within factory specs.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
Great oil
By 
BOBBY, 
a 
Verified Buyer 
from 
Calgary Alberta  
on 
July 30, 2021
Although it says V-Twin on the bottle, I have been using Amsoil 20w50 motorcycle oil for my 1976 CB750 for years. Since I ride hard all the time, I choose to protect my bike with a 20w50.
Like i said there is no way im using any other oil in my Harley! Amsoil gives you the protection you need with a big heavy touring bike, especially in the high heat that i ride!! Its the best!!
Upgraded my oil pan on my motorcycle after 66,000 miles and there is no signs of sludge. Been running Amsoil in all my vehicles since 2005. Don’t want to run anything other than Ams
My Harley oil runs way cooler (around 230 degrees) compared to 300 + degrees when I was using Harley’s Syn3 oil. What a difference in performance, reliability, personal comfort and peace of mind when I switched over to Amsoil.
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