Best Oil
Moderator
Joined: Oct 2012
Posts: 107,687
Likes: 20,116
From: Ft. Worth, TX
The search function will yield hundreds of threads on this subject each providing their own opinion, but I'll save you a lifetime of reading and say that the best oil is what YOU think is best.
Road Master
Joined: May 2008
Posts: 1,065
Likes: 1
From: Madison, WI
This should help you find a few opinions. https://www.hdforums.com/forum/searc...rchid=24643509
Last edited by WI Bob; Apr 15, 2014 at 10:07 PM.
Outstanding HDF Member
Joined: Nov 2008
Posts: 2,034
Likes: 128
Your owner's manual will give you the best advice as to what weights they recommend based upon the temperature for your location. You can pick your favorite brand of oil and as long as it is up to Harley's specs. As far as I know Harley owners have been running everything except monkey **** in their motors and to the best of my knowledge they all will work. Every swinging Richard has their own personal favorite when it comes to fluids, so you will absolutely never, ever, get a consensus on what is the best or the worst on a motorcycle forum.
Just pick one that meets the motors needs and stick with it until you are convinced that something else will work better or you get bored.
Just pick one that meets the motors needs and stick with it until you are convinced that something else will work better or you get bored.
Outstanding HDF Member
Joined: Jun 2012
Posts: 2,087
Likes: 22
From: USA
Astroglide has a higher sheer factor.
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Ultimate HDF Member
Joined: Apr 2010
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From: Southern Oregon
Yeppers... Keep the piston happy and dont buy any rings
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Road Captain
Joined: Aug 2008
Posts: 528
Likes: 4
From: Alberta Canada
Like others have said, there will always be different opinions. Myself, I use Mobil 1 V Twin 20w-50 synthetic in motor, Harley Formula + in primary, and Mobil synthetic gear lube in tranny.