Consensus question: Do M8’s burn oil?
Seasoned HDF Member
Joined: Feb 2016
Posts: 8,015
Likes: 6,910
From: NC
I have an early 2019 FLHTP 114 with 33k miles on it. I fill to the half way point on the on the dipstick, on the side stand, whole cold. I will check it after a 20 minute ride after an oil change.
I have not had to add oil to my bike between 5000 oil change intervals.
I have not had to add oil to my bike between 5000 oil change intervals.
Thread Starter
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Supporter
Joined: Apr 2021
Posts: 271
Likes: 122
From: Fontana
Seeing it on a couple of reels on the internet,
Thought I would ask here, Checking to see if there is any truth to what was being said,
so far, sound like a lot of crap, as is usual for the internet...
Thought I would ask here, Checking to see if there is any truth to what was being said,
so far, sound like a lot of crap, as is usual for the internet...
Last edited by Sandwiz; Apr 28, 2025 at 11:24 AM.
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Joined: Apr 2021
Posts: 271
Likes: 122
From: Fontana
As a side note I fill my 2014 Street Glide Special up to the fill line and I don't lose oi,l or at least a noticeable amount.
But I also have a custom\home made catch can which does catch a small amount of oil between changes, as in maybe a 1/4 ounce type thing.
That would have gone into the motor via air filter BS
But I also have a custom\home made catch can which does catch a small amount of oil between changes, as in maybe a 1/4 ounce type thing.
That would have gone into the motor via air filter BS
Seasoned HDF Member
Joined: Sep 2009
Posts: 17,148
Likes: 6,171
From: SE Michigan
Well for one thing, the MoCo has a bulleting out (which I can no longer find, but will keep looking) that says 1Qt every 1500 miles is within spec.
Aha! Found it: https://www.tsbsearch.com/Harley-Davidson/TT461
Aha! Found it: https://www.tsbsearch.com/Harley-Davidson/TT461
Last edited by Keithhu; Apr 28, 2025 at 02:18 PM.
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