Eitms
engine heat and cooling system issue
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Intermediate
Joined: Aug 2013
Posts: 30
Likes: 0
From: Albany, NY
engine heat and cooling system issue
I have a 17 RGU with a twin cooled M8.. I notice that the EITMS activates almost at every stop.. sometimes before the coolant fans come on.. so my question is: what is supposed to happen first.. coolant fans run or EITMS activates?.. temps have been around 85 degrees and a lot of stop and go traffic.. the mods I have in place are: Vance and Hines VO2 naked air intake using the stock cover.. V&H power dual headpipes.. (which I feel should keep the engine running cooler.. and re-using the stock mufflers.. (which sound pretty darn good) and (until the V&H Monster V's are available).... thanks for any input
Seasoned HDF Member
Joined: Nov 2016
Posts: 7,707
Likes: 13,989
From: Northern New Jersey
I have a 17 RGU with a twin cooled M8.. I notice that the EITMS activates almost at every stop.. sometimes before the coolant fans come on.. so my question is: what is supposed to happen first.. coolant fans run or EITMS activates?.. temps have been around 85 degrees and a lot of stop and go traffic.. the mods I have in place are: Vance and Hines VO2 naked air intake using the stock cover.. V&H power dual headpipes.. (which I feel should keep the engine running cooler.. and re-using the stock mufflers.. (which sound pretty darn good) and (until the V&H Monster V's are available).... thanks for any input
Seasoned HDF Member
Joined: Sep 2009
Posts: 17,148
Likes: 6,171
From: SE Michigan
EITMS activates when the ambient air temp is 80 degrees. Has nothing to do with radiator fans. It can be disabled by rolling and holding your throttle forward when you are stopped. All outlined in your owners manual
Last edited by Keithhu; Sep 26, 2017 at 03:17 PM.
6th Gear
Joined: Mar 2014
Posts: 10
Likes: 0
From: Barcelona
i did it. I did not feel any significant improvement regarding temp with the EITMS... and hate that bouncing and also how it manage the idle
Last edited by free...; Sep 26, 2017 at 04:15 PM.
Seasoned HDF Member
Joined: Sep 2009
Posts: 17,148
Likes: 6,171
From: SE Michigan
you can hit the "i" button on the right side to confirm EITMS status
Seasoned HDF Member
Joined: Sep 2009
Posts: 17,148
Likes: 6,171
From: SE Michigan
It doesn't put any stress on the engine. Wtf?
Last edited by Keithhu; Apr 2, 2019 at 11:19 PM.
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Seasoned HDF Member
Joined: Sep 2009
Posts: 17,148
Likes: 6,171
From: SE Michigan
I have a 17 RGU with a twin cooled M8.. I notice that the EITMS activates almost at every stop.. sometimes before the coolant fans come on.. so my question is: what is supposed to happen first.. coolant fans run or EITMS activates?.. temps have been around 85 degrees and a lot of stop and go traffic.. the mods I have in place are: Vance and Hines VO2 naked air intake using the stock cover.. V&H power dual headpipes.. (which I feel should keep the engine running cooler.. and re-using the stock mufflers.. (which sound pretty darn good) and (until the V&H Monster V's are available).... thanks for any input
Last edited by Keithhu; Apr 2, 2019 at 11:15 PM.
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Seasoned HDF Member
Joined: Jan 2008
Posts: 13,676
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From: State of Confusion
the thing is EITMS has been around for many many years now, countless bikes and miles and I don't ever recall any engine wear/damage ever reported..I used to consider any possible detrimental side effects as well but gave up on those thoughts after keeping it enabled on many bikes and miles over the years with no apparent ill effects...might just keep this bike for 100,000 miles at this point so who knows what might crop up long term
Road Master
Joined: Jan 2016
Posts: 1,143
Likes: 433
From: Menifee, CA
I just don't like it. I deal with this by not idling in traffic very much. Here in SoCal we have the Very Great Luxury of lane splitting. No need to sit and idle. I see how it could be argued the other direction, saying well if it hardly ever activates then why not just keep it activated? True, but I just don't like that EITMS idle even for a few seconds.
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