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[odessyblueIke]

After reading through this post, I am almost regretting buying the 2018, I had not heard anything but good about the m8 until now.  Afraid to take a long road trip now. 

[nvelez2017]

After reading through this post, I am almost regretting buying the 2018, I had not heard anything but good about the m8 until now.  Afraid to take a long road trip now.

I'm with you on this. I'm taking a 1400M trip to Sturgis and hope I don't run into any issues.

[odessyblueIke]

Good luck.

[kojak]

I'm with you on this. I'm taking a 1400M trip to Sturgis and hope I don't run into any issues.

I've taken a 3000 mile trip and a 1800 mile trip with no issues, ran like a dream.

[odessyblueIke]

Im wondering if the ones failing have a common factor.   Is there a certain point that they are failing?   Anyone have one with over 20000 mis with no issues?    Is it related to extended periods over 3000 rpm?  Etc...

[bigC]

I've intentionally stayed quite as I didn't want to jinx myself. My bike has almost 17,000 miles on it in just a little over 1 year. I live just north of Cincinnati and have made 2 runs to Maggie Valley NC and also 2 trips to Eureka Springs for MITH GTG's. The only issue I've had is the clutch switch had to be replaced. I had several people ask me about it at the MITM. So hope I didn't jinx myself, as I still have 3 more trips scheduled this year at least.


Clay

[Bumpandrun]

How am I seeing 17k,32k and one 56k miles in 2017 limiteds ?  Is it just the big motor CVOs having issues ?   Or modded ones..... Not being a wise ass as I don't know.

[SDCVO]

I made it almost to 17,000 miles before first sump then 2 more in the next couple thousand. Really cant figure that one out..

[chinashop bull]

Im wondering if the ones failing have a common factor.   Is there a certain point that they are failing?   Anyone have one with over 20000 mis with no issues?    Is it related to extended periods over 3000 rpm?  Etc...

There is a common factor.  Usually the same 2 riders.

[odessyblueIke]

Screw it, can't live in fear, I'm just gonna ride it, if it gernades, it gernades, I have a two year warrenty, hopefully by then there will have been a fix identified.  or if out of warranty, Ill buy an S&S motor for it.

[grc]

How am I seeing 17k,32k and one 56k miles in 2017 limiteds ?  Is it just the big motor CVOs having issues ?   Or modded ones..... Not being a wise ass as I don't know.

If you check other forums that include all Harley models you'll find that sumping has been an issue with any of the M8 variants including the 107.  It isn't just a 114 or 117 issue.  At some point Harley will stumble across the real root cause and make changes in production to finally fix the problem.  Unless that change is something that can be done easily and cheaply to existing bikes, I tend to doubt they will offer to apply it to all the M8's currently in customer's hands.   

JMHO - Jerry

[oe542bob]

After reading through this post, I am almost regretting buying the 2018, I had not heard anything but good about the m8 until now.  Afraid to take a long road trip now.

I am having the same feelings. Haven’t had time to ride since I bought my CVO Streetglide last year. So it hasn’t sumped sitting in my garage! Recently called the selling dealership and asked about sumping. Didn’t know the service writer whom I talked to, but said they have not had this issue. Ok. So, I called again the following week and talked to a friend that is the service manager there. I do trust his opinion. He also said this has not been an issue in regards to sumping.
Although I do feel a little better, I am still concerned.
Maybe for the 125th anniversary, it’ll all be figured out!!

[Rooster]

My 110 motor has been flawless ever since I put it in a box

[Rooster]

Sorry  I know this is about sumping and I truly hope all you having sumping issues get resolved.

[Bumpandrun]

Screw it, can't live in fear, I'm just gonna ride it, if it gernades, it gernades, I have a two year warrenty, hopefully by then there will have been a fix identified.  or if out of warranty, Ill buy an S&S motor for it.

kinda with you on this one .....sure as hell won't be worrying about it. if it does let go it's gonna be big.....😂 Not new to the MOCO screw ups over the years . Wish I had a m8 in my hands a part as dry sump motors are something in racing we played with a ton.  Wonder if it's really sumping or if that's just a term the MOCO is using for blow ups.  Haven't seen the insides of a motor posted yet....