2016 Low Rider S Decompression Valve Service Update
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Joined: Apr 2017
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From: Adairsville GA
2016 Low Rider S Decompression Valve Service Update
I got a Service Bulletin in the mail from Harley Davidson telling me that there was a free service to update the Decompression Valve on my 2016 Low Rider S. I had sluggish starting when the bike stopped at a certain point in the compression cycle so I took it to have it done.
After the re-flash the bike idles at 1200 RPM and runs like a Honda cruiser in my opinion. My bike is stock mechanically but it has the 110 performance motor and had a lower idle and more of the rougher loping idle that is proper for a Harley.
Has anyone else with this bike had this done and noticed the same thing?
At this point I get more enjoyment out of riding the old 2002 Ultra I picked up. To be fair it is built with a big bore kit, cammed and piped with a Power Commander V, but still.
After the re-flash the bike idles at 1200 RPM and runs like a Honda cruiser in my opinion. My bike is stock mechanically but it has the 110 performance motor and had a lower idle and more of the rougher loping idle that is proper for a Harley.
Has anyone else with this bike had this done and noticed the same thing?
At this point I get more enjoyment out of riding the old 2002 Ultra I picked up. To be fair it is built with a big bore kit, cammed and piped with a Power Commander V, but still.
Thread Starter
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Novice
Joined: Apr 2017
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From: Adairsville GA
A guy who happened to have his Low Rider S in for a Service right before I came in got his warranty voided. The Service guys saw the update in the queue and did it on his bike. They didn't tell him they just did it. He had a tuner and a pipe. He came back to get it and was pissed. He went home and re-flashed his bike then it wouldn't even start. The flash and the Harley update had a conflict and it locked his bike down. I have no interest in locking up my bike or voiding my warranty right now.
I like the easier starting but at the end of the day it doesn't run like it did when I bought it. I got the standard Harley post service questionnaire and let them know all about it.
Mostly I am wondering if anyone else has had this done and seen the same result.
I like the easier starting but at the end of the day it doesn't run like it did when I bought it. I got the standard Harley post service questionnaire and let them know all about it.
Mostly I am wondering if anyone else has had this done and seen the same result.
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From: SWFL
If you are talking about the ACR (automatic compression release) fix, also known as Strategy 627 update, there should be no difference in any engine settings other then opening the ACR's earlier in the start cycle. If you're idling at 1200 rpms hot, then something else is going on.
And you are the first person I've ever heard who said the LRS reminded them of a "Honda" lol.
And you are the first person I've ever heard who said the LRS reminded them of a "Honda" lol.
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Novice
Joined: Apr 2017
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From: Adairsville GA
If you are talking about the ACR (automatic compression release) fix, also known as Strategy 627 update, there should be no difference in any engine settings other then opening the ACR's earlier in the start cycle. If you're idling at 1200 rpms hot, then something else is going on.
And you are the first person I've ever heard who said the LRS reminded them of a "Honda" lol.
And you are the first person I've ever heard who said the LRS reminded them of a "Honda" lol.
The bike only has 2000 miles on it and is stock mechanically. Besides some powder coating the only people who have touched it are the dealer techs.
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Joined: Dec 2014
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From: SWFL
A guy who happened to have his Low Rider S in for a Service right before I came in got his warranty voided. The Service guys saw the update in the queue and did it on his bike. They didn't tell him they just did it. He had a tuner and a pipe. He came back to get it and was pissed. He went home and re-flashed his bike then it wouldn't even start. The flash and the Harley update had a conflict and it locked his bike down. I have no interest in locking up my bike or voiding my warranty right now.
I like the easier starting but at the end of the day it doesn't run like it did when I bought it. I got the standard Harley post service questionnaire and let them know all about it.
Mostly I am wondering if anyone else has had this done and seen the same result.
I like the easier starting but at the end of the day it doesn't run like it did when I bought it. I got the standard Harley post service questionnaire and let them know all about it.
Mostly I am wondering if anyone else has had this done and seen the same result.
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Novice
Joined: Apr 2017
Posts: 17
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From: Adairsville GA
No reason that should happen, unless he bungled something up. I have a power vision, with a tune loaded. I brought it in for the update, just to get the hidden ACR code. Took it home, copied the new tune from my ECM, pasted all the performance tables from my previous tune (VE's, AFR, Spark, etc) into the updated strategy and had no problem whatsoever.
I've been told that Harley is a lot more touchy on voiding warranties on the newer bikes because of all the emissions heat they are getting.
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From: SWFL
Not sure why on that. When I scheduled the update, the Service Tech asked me if I had an aftermarket tuner or pipe and told me about that to explain why he was asking. It wasn't a Power Commander they said he was running. They called it in and his warranty got punched.
I've been told that Harley is a lot more touchy on voiding warranties on the newer bikes because of all the emissions heat they are getting.
I've been told that Harley is a lot more touchy on voiding warranties on the newer bikes because of all the emissions heat they are getting.
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From: Earth
I was at a local dealer today looking a LRS, and when I asked about a few things I was politely told they no longer do exhausts except for official Harley products.
WTF?
Now when all the EPA fuss first kicked up a while back and everyone was riled up, I asked that same dealer and they told me "Nothing has changed. We're gong to continue to be the Harley you know."
Well apparently, something big has changed.
They also told me that if I take it down the street to the independent to get the mods done, it could void the warranty if I bring it back to dealership (depending on what I have done).
My question is, are people getting this same story at other dealerships? Is it really coming to the point where Harley can't/won't do exhausts any more?
I'm interested in getting a LRS and having some things done, but if it turns out to be more trouble than it's worth and there's going to be a bunch of red tape and drama, then I may just look at a KTM Super Duke and call it a day.
WTF?
Now when all the EPA fuss first kicked up a while back and everyone was riled up, I asked that same dealer and they told me "Nothing has changed. We're gong to continue to be the Harley you know."
Well apparently, something big has changed.
They also told me that if I take it down the street to the independent to get the mods done, it could void the warranty if I bring it back to dealership (depending on what I have done).
My question is, are people getting this same story at other dealerships? Is it really coming to the point where Harley can't/won't do exhausts any more?
I'm interested in getting a LRS and having some things done, but if it turns out to be more trouble than it's worth and there's going to be a bunch of red tape and drama, then I may just look at a KTM Super Duke and call it a day.
Last edited by DM426; Jul 5, 2017 at 08:33 PM.
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Joined: Apr 2016
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From: Inland NW
My dealer did the pipe, cams, and the PV. If I have a warranty issue, they will handle it. I have not had a single starting issue, so I am going to forego the hassle of this ACR update. I just got the damn thing dyno tuned, and I really like it. I would hate to mess that up