Automatic Re-mapping
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Novice
Joined: Nov 2009
Posts: 17
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From: Southampton
Automatic Re-mapping
Hi I was told by my local dealer that if I was to change the breather/Air Filter and the exhaust/ Slip ons on my 2009 1200 custom, that the fuel injection system would re-map itself after 2 or 3 short journeys?? does any one know if this is correct? as I was thinking of buying the ThunderMax EFI http://thunder-max.com/ once I had run the bike in properly!
All the best !
Hear is to all our Troops
from all our Nations
All the best !
Hear is to all our Troops
from all our Nations
Last edited by Sporster2009UK; Nov 21, 2009 at 06:05 AM.
Intermediate
Joined: Sep 2009
Posts: 43
Likes: 1
From: Albany, New York
Sporty-Uk,
While the ECM on your bike will compensate for some things, (IE ambient temp, load,
rpm, throttle position) It will not re-map itself. If you change just the exhaust, you will probably be ok. But if you change both the exhaust and the Air cleaner, you will probably be running too rich and risk the possability of "Holeing" (burning a hole) in a piston. Re-map your computer or get a fuel management system.
-Trib-
While the ECM on your bike will compensate for some things, (IE ambient temp, load,
rpm, throttle position) It will not re-map itself. If you change just the exhaust, you will probably be ok. But if you change both the exhaust and the Air cleaner, you will probably be running too rich and risk the possability of "Holeing" (burning a hole) in a piston. Re-map your computer or get a fuel management system.
-Trib-
Last edited by trib; Nov 21, 2009 at 06:23 AM.
Club Member
Joined: Feb 2007
Posts: 16,320
Likes: 306
From: Boynton Beach, FloriDuh
Sporty-Uk,
While the ECM on your bike will compensate for some things, (IE ambient temp, load,
rpm, throttle position) It will not re-map itself. If you change just the exhaust, you will probably be ok. But if you change both the exhaust and the Air cleaner, you will probably be running too rich and risk the possability of "Holeing" (burning a hole) in a piston. Re-map your computer or get a fuel management system.
-Trib-
While the ECM on your bike will compensate for some things, (IE ambient temp, load,
rpm, throttle position) It will not re-map itself. If you change just the exhaust, you will probably be ok. But if you change both the exhaust and the Air cleaner, you will probably be running too rich and risk the possability of "Holeing" (burning a hole) in a piston. Re-map your computer or get a fuel management system.
-Trib-
Tourer
Joined: May 2007
Posts: 319
Likes: 1
From: Great State of Texas
I would look into that a little more your dealer just might be right. Infact there are a ton of post on this form about that very subject and plenty of info on the closed FI system that will support you dealer,if that is the only mods you do. However I think these bikes run to lean anyway but a remap from the dealer is not going to change the fuel to air ratio. You'll need some type of fuel management system or set ied's.
Outstanding HDF Member
Joined: Aug 2008
Posts: 2,207
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From: East Texas
Sporty-Uk,
While the ECM on your bike will compensate for some things, (IE ambient temp, load,
rpm, throttle position) It will not re-map itself. If you change just the exhaust, you will probably be ok. But if you change both the exhaust and the Air cleaner, you will probably be running too rich and risk the possability of "Holeing" (burning a hole) in a piston. Re-map your computer or get a fuel management system.
-Trib-
While the ECM on your bike will compensate for some things, (IE ambient temp, load,
rpm, throttle position) It will not re-map itself. If you change just the exhaust, you will probably be ok. But if you change both the exhaust and the Air cleaner, you will probably be running too rich and risk the possability of "Holeing" (burning a hole) in a piston. Re-map your computer or get a fuel management system.
-Trib-
i don't know of any year EFI sporty that has a full on auto remap/learn
you change the pipes you'll be fine,but if you change the a/c you'll need a remap.
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Novice
Joined: Nov 2009
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From: Southampton
ok all so the general consensus is I will be ok to do the exhausts but not the air intake? and then if I need to upgrade the rest I would need to upgrade my fuel managment system! so my next question is
do harley do an upgrade so that I can do the remaping my self, or is there some software and a lead that I can buy to plug in and interact with my existing managment system?
thanks for all the replies
do harley do an upgrade so that I can do the remaping my self, or is there some software and a lead that I can buy to plug in and interact with my existing managment system?
thanks for all the replies
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Tourer
Joined: Jul 2009
Posts: 367
Likes: 0
From: yankton SD
running rich will never hurt an engine...just performance...running lean can detonate (preignition) and burn a hole in the piston or smoke a valve
i don't know of any year EFI sporty that has a full on auto remap/learn
you change the pipes you'll be fine,but if you change the a/c you'll need a remap.
i don't know of any year EFI sporty that has a full on auto remap/learn
you change the pipes you'll be fine,but if you change the a/c you'll need a remap.
Outstanding HDF Member
Joined: Aug 2008
Posts: 2,207
Likes: 0
From: East Texas
well,you're right,but unless he has an injector stuck wide open it'd be hard to do with a stock ecm