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Hunting rpm
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Wisedrum Online
Running Like a Top

Germany
Posts: 438
Joined: Feb 2015
Post: #141
RE: Hunting rpm
I dig what you're writing about.
But this will be no answer to the question, why my CB always had good and low idle revs through all seasons of the year for a long time, after it was warmend and than all of sudden the idle problem came into play during last summer and stayed. I ride the machine long enough on trips, so it should be warm enough. But there is a lot of electronics working together and lots of data flying around, who knows how it is connected and how some slightest bugs in the world of bits and codes can lead to irritations? I' m not an engineer, but I do my best to work on some tips, to keep this bugs out and let the honda run normal again or what I consider to be normal. This high rev thing isn't it with a warm motor.

Wisedrum
(This post was last modified: 01-03-2017 04:54 PM by Wisedrum.)
01-03-2017 04:38 PM
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HillCountryRider Offline
Break-In Period

san antonio
Posts: 8
Joined: Dec 2016
Post: #142
RE: Hunting rpm
(01-03-2017 04:38 PM)Wisedrum Wrote:  I dig what you're writing about.
But this will be no answer to the question, why my CB always had good and low idle revs through all seasons of the year for a long time, after it was warmend and than all of sudden the idle problem came into play during last summer and stayed. I ride the machine long enough on trips, so it should be warm enough. But there is a lot of electronics working together and lots of data flying around, who knows how it is connected and how some slightest bugs in the world of bits and codes can lead to irritations? I' m not an engineer, but I do my best to work on some tips, to keep this bugs out and let the honda run normal again or what I consider to be normal. This high rev thing isn't it with a warm motor.

Wisedrum


Saw on the following thread that it appears that Honda has new ECU mapping software to address problem. Post #107

http://cb1100forum.com/forum/showthread....20&page=11
(This post was last modified: 01-03-2017 07:27 PM by HillCountryRider.)
01-03-2017 06:44 PM
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pdedse Offline
Running Like a Top

Oregon
Posts: 503
Joined: Dec 2013
Post: #143
RE: Hunting rpm
(11-21-2016 07:19 AM)johnf514 Wrote:  Hi Tory, Dave. I caution you both on the ECU reset/reflash. I had this done three (3) times and the high idle condition returned. It was only after the dealership replaced the idle air control valve motor that the issue was (hopefully) resolved.

I realize that your issue may be different from mine, just wanted to add my experience.

Hi John, if I remember right, your bike was under warranty at the time you had the IACV motor replaced. Do know what the cost would have been if you had to pay for it? Part and labor?
08-31-2017 02:14 PM
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Riko Offline
High Mileage

Belgium
Posts: 913
Joined: Dec 2013
Post: #144
RE: Hunting rpm
(12-31-2016 06:16 PM)beardyweirdy@me.com Wrote:  This could explain why people start to get this problem suddenly after a year or two of trouble free riding, when their battery looses power.
I also, along with others have only had the problem after riding thru town for 20-30mim, at low revs. At very low revs the alternator may not be producing enough power to keep the battery topped up enough and it throws up a problem.
Just Sayin....

I just changed my battery and had no issues prior to that.

In fact, the period when I had the stalling issue was when my battery was in top notch conditions.

People seem so desperate to find a solution for this they tend to make correlations between the idle issues and new events such as a new battery being replaced.

I dont believe for one bit the battery has anything to do with these issues.

CB1100EX
Cool spoked wheels Cool

Follow The Belgian Build
08-31-2017 02:24 PM
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pdedse Offline
Running Like a Top

Oregon
Posts: 503
Joined: Dec 2013
Post: #145
RE: Hunting rpm
(08-31-2017 02:24 PM)Riko Wrote:  
(12-31-2016 06:16 PM)beardyweirdy@me.com Wrote:  This could explain why people start to get this problem suddenly after a year or two of trouble free riding, when their battery looses power.
I also, along with others have only had the problem after riding thru town for 20-30mim, at low revs. At very low revs the alternator may not be producing enough power to keep the battery topped up enough and it throws up a problem.
Just Sayin....

I just changed my battery and had no issues prior to that.

In fact, the period when I had the stalling issue was when my battery was in top notch conditions.

People seem so desperate to find a solution for this they tend to make correlations between the idle issues and new events such as a new battery being replaced.

I dont believe for one bit the battery has anything to do with these issues.

I didn't know, or didn't remember, that part of your experience, thanks for sharing that, good to know.
08-31-2017 02:29 PM
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johnf514 Offline
1st Service Completed

Orlando
Posts: 157
Joined: Jun 2016
Post: #146
RE: Hunting rpm
(08-31-2017 02:14 PM)pdedse Wrote:  Hi John, if I remember right, your bike was under warranty at the time you had the IACV motor replaced. Do know what the cost would have been if you had to pay for it? Part and labor?

Hi pdedse, your memory serves you correctly. I don't have the invoice in front of me, but I believe the total for the IACV work was north of a grand, parts and labor. I believe they replaced the entire assembly, leading to the high cost.
09-01-2017 05:48 AM
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pdedse Offline
Running Like a Top

Oregon
Posts: 503
Joined: Dec 2013
Post: #147
RE: Hunting rpm
(09-01-2017 05:48 AM)johnf514 Wrote:  
(08-31-2017 02:14 PM)pdedse Wrote:  Hi John, if I remember right, your bike was under warranty at the time you had the IACV motor replaced. Do know what the cost would have been if you had to pay for it? Part and labor?

Hi pdedse, your memory serves you correctly. I don't have the invoice in front of me, but I believe the total for the IACV work was north of a grand, parts and labor. I believe they replaced the entire assembly, leading to the high cost.

Sad to think about my bike possibly needing that, but good to know. Thanks.
09-01-2017 09:38 AM
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SportsterDoc Offline
1st Service Completed

southern Nevada
Posts: 218
Joined: Nov 2017
Post: #148
RE: Hunting rpm
(11-15-2016 06:56 PM)Dave Wrote:  ...I checked the old sensor and it measured 1.90 kilo-ohm. I removed and inspected the new sensor and it measured 1.95 kilo-ohm. Both the old and the new sensors are out of spec, which is 2.4 - 2.9 kilo-ohm.

Dave, I found your post Googling for EOT resistance values.
Difficult to find much other than this forum.

At what temperature were the new and old sensors measured for resistance?
At what temperature is the spec for 2.4 - 2.9 K ohms?

Recent bikes:
2014 Honda CB110 standard (new 7 Nov 2017)
2018 Yamaha XT250
2016 Moto Guzzi V7II
2017 Yamaha TW200
2012 Triumph Bonneville
2002 Harley-Davidson Sportster 1200 Sport
2003 Harley-Davidson Sportster XLH883
12-05-2017 09:47 AM
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use2b Offline
Running Like a Top

Perdido Key Florida
Posts: 643
Joined: Aug 2016
Post: #149
RE: Hunting rpm
Mine has never done any of this so i wonder if it is because i never ride it in cold weather and seldom even have cold weather. always idles at 1100

The best part about growing up in Florida is i didn't have to move here when i got old.
2013 CB1100AD K10
12-05-2017 11:26 AM
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