Another "Oil in throttlebody & oil usage" thread
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Cruiser
Joined: Nov 2017
Posts: 112
Likes: 62
From: blue ridge mountains
Another "Oil in throttlebody & oil usage" thread
Beating a dead horse here. I've been watching my oil usage on my all stock (minus slip ons) 2019 107 FLHC. It's pretty exorbitant. I have to check the oil after each ride and keep a close eye on it. Never have I had to top off such a new vehicle. Bought the bike this year with 3000 on it from the original owner who babied it. It now has 9000. What I've noticed is that there is a lot of oil inside the throttle body and I can smell it being burnt as I ride. I've been running Amsoil 20w 50. I'm thinking of switching to a conventional (Valvoline) 20w50 to see if that slows the usage down. Aside from the excessive oil usage and the stupid kick stand, I love the bike. I've read that the rocker box breathers could be at fault causing excessive blow by and that Fueling cylinder head breathers could be the solution. They are $$$$ but if it could solve my issue, I'm fine with spending the money. It just seems like a crap-shoot. I run just over 4 quarts in the bike at oil change, and the level never gets past the half mark regardless of what check method I use. Typically, it's just touching the stick because any more oil than that automagically disappears anyhow. I'm aware of the 1qt per 1k miles tolerance, which is hogwash. This was a ton of money for a bike that burns that much oil. Any other recommendations to slow the oil consumption? I dig the scooter but am now pretty leary of it's ability to last.
Road Captain
Joined: Sep 2014
Posts: 519
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From: Utopia
This forum may be more appropriate to your model:
M8 Softail MY2018-2023 2018+ Softail Models - Harley Davidson Forums (hdforums.com)
M8 Softail MY2018-2023 2018+ Softail Models - Harley Davidson Forums (hdforums.com)
Seasoned HDF Member
Joined: Aug 2017
Posts: 7,323
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From: Omaha,NE
I think Harley's threshold (someone please confirm) is 1qt per 800 miles. Anything above 800 miles is normal. HD won't even look for a cause in that case. Oil in the TB is normal for these bikes. If it were burning through the exhaust, I would think you'd see a bit of bluish smoke.
Last edited by strych9; Sep 21, 2023 at 04:09 PM.
Seasoned HDF Member
Joined: Oct 2012
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From: Texas, USA
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Seasoned HDF Member
Joined: May 2008
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From: South Carolina
Good grief... It was a baseless third hand story.
Last edited by Dan89FLSTC; Sep 21, 2023 at 08:40 PM.
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Stellar HDF Member
Joined: Feb 2015
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From: USA
This forum may be more appropriate to your model:
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Right on que, you don't miss an opportunity to provide the same response to practically every post here. Can't you provide real content and information?
Stop padding your post count.
