stock m8 ping
Seasoned HDF Member
Joined: Sep 2009
Posts: 17,148
Likes: 6,171
From: SE Michigan
If I'm not mistaken, the only thing that requires a license is the ability to update maps. You can monitor all the data points for free
The only reason my bike doesnt have a power vision already married to it is because i dont wanna mess the warrenty up if there is a real issue that comes along. But i had planned to do it anyway after break in and i know what i got. Also im gonna do a stage 1 eventually anyway. So technically im not throwing money at the problem. Im gonna do the listed mods above regardless and if it fixes it great. Not gonna do anything to it untill first service and i atleast give harley a chance to see what they think. If it is indeed a real ping im hearing.
Grand HDF Member
Joined: Jun 2017
Posts: 4,685
Likes: 3,979
From: Near Yosemite
Ok, putting my ignorance out on my sleeve........ as a test, what about adding octane boost to see what results you get? The reason I'm asking is because I have the same thing going on with a SE Stage IV kit and RCX cans. Infact, I was trying to figure out how to describe the sound and I said to myself, "It sounds like pea gravel hitting my front fender". Yesterday I thought about adding some myself but the dealership came today to take my bike in for the dreaded 2 page "test and check" email from HD HQ, so, maybe I can try it out next week. Do you guys think it might help?
Thread Starter
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Road Captain
Joined: Oct 2016
Posts: 638
Likes: 127
From: Kentucky
Ok, putting my ignorance out on my sleeve........ as a test, what about adding octane boost to see what results you get? The reason I'm asking is because I have the same thing going on with a SE Stage IV kit and RCX cans. Infact, I was trying to figure out how to describe the sound and I said to myself, "It sounds like pea gravel hitting my front fender". Yesterday I thought about adding some myself but the dealership came today to take my bike in for the dreaded 2 page "test and check" email from HD HQ, so, maybe I can try it out next week. Do you guys think it might help?
Why is hd hq doing a two week test on your bike if you dont mind me asking? Are they doing it because of the upgrades you got or are they investigating the ping?
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Road Captain
Joined: Oct 2016
Posts: 638
Likes: 127
From: Kentucky
DANG. I dont think i have the oil migration issue. An hope it stays that way. I would be ticked off if the dealer had my bike for 2 weeks right now in the middle of riding season. Have you talked to yoyr dealer about the pinging? If so what did they say?
Club Member
Joined: Apr 2011
Posts: 5,817
Likes: 7,850
From: SE Louisiana
Try running an external crankcase vent, very EZ on the M8,
"oil has a significantly lower auto-ignition temperature and will ignite early causing detonation in sufficient volumes"
"oil lowers the effective octane of the fuel, so if the blow-by gasses cannot vent out of the crankcase they will re-enter the combustion chamber and reduce the effective octane"
"oil has a significantly lower auto-ignition temperature and will ignite early causing detonation in sufficient volumes"
"oil lowers the effective octane of the fuel, so if the blow-by gasses cannot vent out of the crankcase they will re-enter the combustion chamber and reduce the effective octane"
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Road Captain
Joined: Oct 2016
Posts: 638
Likes: 127
From: Kentucky
no it does it no matter the gear. Road it to work this morning. Have to push it above 3k for it to do it but it doesnt matter what gear.
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Road Warrior
Joined: Jun 2017
Posts: 1,508
Likes: 238
From: Illinois
I found this online. I wonder if this may be the problem....
There’s also a genuine knock sensor attached to each head. (No more using the spark plugs for that purpose.) These sensors don’t just help prevent detonation. In combination with the twin spark plugs, they improve combustion efficiency by holding things within proper parameters, which, in turn, reduces engine heat under any given load. A win-win for rider comfort and clean-burn emissions.
There’s also a genuine knock sensor attached to each head. (No more using the spark plugs for that purpose.) These sensors don’t just help prevent detonation. In combination with the twin spark plugs, they improve combustion efficiency by holding things within proper parameters, which, in turn, reduces engine heat under any given load. A win-win for rider comfort and clean-burn emissions.
Thread Starter
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Road Captain
Joined: Oct 2016
Posts: 638
Likes: 127
From: Kentucky
I found this online. I wonder if this may be the problem....
Theres also a genuine knock sensor attached to each head. (No more using the spark plugs for that purpose.) These sensors dont just help prevent detonation. In combination with the twin spark plugs, they improve combustion efficiency by holding things within proper parameters, which, in turn, reduces engine heat under any given load. A win-win for rider comfort and clean-burn emissions.
Theres also a genuine knock sensor attached to each head. (No more using the spark plugs for that purpose.) These sensors dont just help prevent detonation. In combination with the twin spark plugs, they improve combustion efficiency by holding things within proper parameters, which, in turn, reduces engine heat under any given load. A win-win for rider comfort and clean-burn emissions.
Wondering if it is even possible that maybe the fuel pump is making the noise? Also think im gonna have plugs checked and may have them replaced. I did baby the crap out of it when breaking in. Next one if i ever get another one im gonna ride the **** out of it that way if it delelopes a issue atleast i can say its my fault. Ha
Last edited by hollandhunter; Aug 3, 2017 at 12:40 PM.