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#4458113 - 07/13/17 10:41 AM 2017 HD 107 has high copper wear
Jmbman Offline


Registered: 06/16/17
Posts: 6
Loc: Ca
I'm not good at reading oil analysis, anybody have any thoughts on this?

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#4458149 - 07/13/17 11:13 AM Re: 2017 HD 107 has high copper wear [Re: Jmbman]
biggusblockus Offline


Registered: 09/14/12
Posts: 21
Loc: Iowa
It's normal for the metals (esp. Copper) to be high during engine break-in. I wouldn't be too worried. If you still have your oil filter I'd cut it open and have a look inside just to see if there is anything in there...but I'm betting it's normal for your engine to shed some material as it breaks in.

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#4458226 - 07/13/17 12:30 PM Re: 2017 HD 107 has high copper wear [Re: Jmbman]
Blkstanger Offline


Registered: 08/13/11
Posts: 1897
Loc: Lakeside, CA
Totally normal on a Harley. I have owned more than a few and the first few OCIs will look like you dumped glitter into the pan.
It will clear up.
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#4458664 - 07/13/17 07:45 PM Re: 2017 HD 107 has high copper wear [Re: Jmbman]
DuckRyder Offline


Registered: 10/20/05
Posts: 4097
Loc: Atlanta
So if you did a 1000 mile service this is the third change?

How much oil is left in the system during a change on the Milwaukee Eight?
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#4460430 - 07/15/17 07:58 PM Re: 2017 HD 107 has high copper wear [Re: biggusblockus]
Jmbman Offline


Registered: 06/16/17
Posts: 6
Loc: Ca
Thank you for the response.

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#4460431 - 07/15/17 07:59 PM Re: 2017 HD 107 has high copper wear [Re: Blkstanger]
Jmbman Offline


Registered: 06/16/17
Posts: 6
Loc: Ca
Thanks, this is the first new HD I have owned so I'm not familiar with what's normal on a new engine.

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#4460432 - 07/15/17 08:01 PM Re: 2017 HD 107 has high copper wear [Re: DuckRyder]
Jmbman Offline


Registered: 06/16/17
Posts: 6
Loc: Ca
I did have the dealer do the 1000mi service on it. They put in their Syn3 stuff, so the oil I sent in was from the second oil change. I don't know how much is left in the engine but I did have to remove the oil cooler (thanks to a overly tight filter and no room) so I think I got most of what would have been left in it. I am curious about the next analysis tho.

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#4460455 - 07/15/17 08:32 PM Re: 2017 HD 107 has high copper wear [Re: Jmbman]
DuckRyder Offline


Registered: 10/20/05
Posts: 4097
Loc: Atlanta
You might find my series of UOA’s on the 103B of interest even though it is a twin cam. Also shanneba has a series of them on his Sportster, again a different engine.

This may be the first one I’ve seen on a Milwaukee Eight.

Harleys typically have around a quart left in the system during a normal change. There is a company rouge chopper that makes the scavenger oil change system which helps with that, but it doesn’t appear they catalog one for the M8 yet.
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#4460644 - 07/16/17 06:45 AM Re: 2017 HD 107 has high copper wear [Re: Jmbman]
alarmguy Offline


Registered: 07/10/12
Posts: 2063
Loc: South Carolina
Looks like a typical Harley UOA for a Twin Cam, will be interesting to see more of these on the new 107.
I have posted many on my 14 Road King in this forum, heading to the Smoky Mountains this morning and assume I will be doing another UOA in the next few weeks.
I woulnt be to concerned about the copper, always seems to come down in time.


Edited by alarmguy (07/16/17 06:46 AM)
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#4461220 - 07/16/17 08:35 PM Re: 2017 HD 107 has high copper wear [Re: Jmbman]
shanneba Offline


Registered: 07/10/04
Posts: 877
Loc: Indiana (IN)
Does your M8 have an oil cooler? It could be a source of additional copper.

My copper didn't get under 100 ppm until 20,000 miles, the fifth oil change.
I do have a different engine with 4 cams and 8 cam bushings that are bronze.
Lead and tin were also higher than the averages on my UOAs indicating a bronze bushing was still breaking in.
The other wear metals were below the averages.
I hope it continues down to a normal level on the next oil change.
https://bobistheoilguy.com/forums/ubbthreads.php/topics/4229798/Re:_2013_HD_Sportster_1200_Red#Post4229798
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#4462473 - 07/18/17 05:33 AM Re: 2017 HD 107 has high copper wear [Re: Jmbman]
DoubleWasp Offline


Registered: 05/21/12
Posts: 5227
Loc: Fort Lauderdale, FL
Wow. I think Mobil must have changed the formula on 15-50 again. 5500 miles in a Harley engine and it held viscosity that well? Incredible. Never seen M1 15-50 hold up that well since the old red cap formula.
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#4463215 - 07/18/17 07:29 PM Re: 2017 HD 107 has high copper wear [Re: shanneba]
Jmbman Offline


Registered: 06/16/17
Posts: 6
Loc: Ca
Yes it does have a oil cooler, I'm glad to hear that that could be the cause of the high copper. I am new to oil analysis and really don't know a whole [censored] of a lot about it yet.

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#4463223 - 07/18/17 07:36 PM Re: 2017 HD 107 has high copper wear [Re: DoubleWasp]
Jmbman Offline


Registered: 06/16/17
Posts: 6
Loc: Ca
This was my first run with 15w50, after reading so many good things about it I figured I would give it a shot. I read that it shears quickly which was a concern of mine, but it seems to have done well tho I haven't learned how to decipher all these numbers very well yet. The money savings sure is nice, provided it protects as well as the 20w50.

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#4541208 - 10/12/17 01:40 PM Re: 2017 HD 107 has high copper wear [Re: Jmbman]
benjy Offline


Registered: 08/23/10
Posts: 721
Loc: pa
the 15-50 mobil I will circulate quicker especially in the cooler weather @ startups. the amsoil 20-50 in my 06 sporty cranked slowly + would not start in my garage, prolly in the 40's!!! your non shared sump is easier than a shared sump many engines use + i believe theres more oil in the M-8's

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#4541542 - 10/12/17 08:11 PM Re: 2017 HD 107 has high copper wear [Re: DoubleWasp]
Bonz Online   content


Registered: 06/05/13
Posts: 52
Loc: Colorado, USA
Originally Posted By: DoubleWasp
Wow. I think Mobil must have changed the formula on 15-50 again. 5500 miles in a Harley engine and it held viscosity that well? Incredible. Never seen M1 15-50 hold up that well since the old red cap formula.


The Harley is not a shared sump engine. IMO, I would expect viscosity to hold up well. Especially on the new engines with their cooling capability.

For comparison, I ran the same oil in my Kawasaki ZRX 1200 for 5000 miles, viscosity dropped down into the high 40 weight category.

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