Idle adjustment
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Cruiser
Joined: Dec 2011
Posts: 240
Likes: 7
From: WI
Idle adjustment
Please save the buy a manual comments I'm looking for the best and cheapest place to buy one.
Is there a idle adj. screw or **** on a 2012 Limited ? What is the proper idle speed ? All my jap bikes had one but I can't find one on the HD.
Is there a idle adj. screw or **** on a 2012 Limited ? What is the proper idle speed ? All my jap bikes had one but I can't find one on the HD.
Extreme HDF Member
Joined: Sep 2010
Posts: 14,744
Likes: 402
From: Phoenix '53, '88, '09 Big Twins
online discount HD dealer is usually 20% there are a a half dozen so shop around.
no manual ****, idle speed is programmed into the ecm.
minimum idle 1000 rpms ( oil pressure and volume are rpm dependent so a higher idle is good- also tailpipe emissions are lower at a higher idle) idle is often higher 12~1300 rpms.
Late models can get confused if the motor is shut down with the throttle slightly open.
cycling the ign. switch on until the fuel pump stops/ off/ on until the pump stops etc. 4 or 5 times ( with hand OFF the throttle) will reset the "zero" for the idle and throttle position sensor.
On start up ( cold) my 09 will often run up to 1700 for a moment before settling down.
My '53 will idle at 650, but the old motors are completely different- the exterior "shape" is about the only thing shared with the twin cam
mike
no manual ****, idle speed is programmed into the ecm.
minimum idle 1000 rpms ( oil pressure and volume are rpm dependent so a higher idle is good- also tailpipe emissions are lower at a higher idle) idle is often higher 12~1300 rpms.
Late models can get confused if the motor is shut down with the throttle slightly open.
cycling the ign. switch on until the fuel pump stops/ off/ on until the pump stops etc. 4 or 5 times ( with hand OFF the throttle) will reset the "zero" for the idle and throttle position sensor.
On start up ( cold) my 09 will often run up to 1700 for a moment before settling down.
My '53 will idle at 650, but the old motors are completely different- the exterior "shape" is about the only thing shared with the twin cam
mike
Last edited by mkguitar; Jun 20, 2012 at 10:24 AM.
Outstanding HDF Member
Joined: Aug 2009
Posts: 2,858
Likes: 217
From: Puyallup Wa.
Screws and ***** are gone now you need a key board. I run my idle at 975 with no observed loss of oil pressure and I find bike has better parking lot manners with a little lower idle.
Seasoned HDF Member
Joined: Jan 2007
Posts: 20,616
Likes: 4,440
From: anacoco, la
so he can go spend $60 on the manual, and it still won't tell him how to adjust his idle......
i know you can set it via the powervision, i would assume the se counterpart can do it as well. but you aren't gonna do it without some type of tuner.
i know you can set it via the powervision, i would assume the se counterpart can do it as well. but you aren't gonna do it without some type of tuner.
Ultimate HDF Member
Joined: Feb 2010
Posts: 8,039
Likes: 1,305
From: Jayhawk Country
If you are looking to turn the idle down to get that lope of the old HD's forget it, that went away with fuel injection.
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invest in a computer and a degree to go with it. yay fuel injection and ecm's . Just kidding. good luck! : )
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Joined: Jan 2007
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From: Twin Cities, MN
Sorry EFI guys.
Outstanding HDF Member
Joined: Aug 2009
Posts: 2,858
Likes: 217
From: Puyallup Wa.
I adjusted mine with power vision. Many flash tuners will. I was Not looking for cam lope for me it feels better and bike has better parking lot behavior. @ 1k idle i felt pushed along in idle @ stop lights it always felt a tad too fast of a idle.
