Speedometer calibration help needed..
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Road Captain
Joined: Mar 2010
Posts: 632
Likes: 11
From: Wheeling, WV
Speedometer calibration help needed..
I have a 2007 FLHX 113 CI controlled via Powercommander 4 / USB.
The teeth on the transmission pulley were changed from 32 to 30, by the former owner.
According to the odometer compared to my car the same distance traveled was 6 tenths of a mile more on the Harley, over a 7 mile stretch.
Doing some research I discovered that the ThunderMax Self Tuner has software menu options for this modification, but don't have the spare $ at this time.
Any suggestions besides changing pulleys?
The teeth on the transmission pulley were changed from 32 to 30, by the former owner.
According to the odometer compared to my car the same distance traveled was 6 tenths of a mile more on the Harley, over a 7 mile stretch.
Doing some research I discovered that the ThunderMax Self Tuner has software menu options for this modification, but don't have the spare $ at this time.
Any suggestions besides changing pulleys?
Grand HDF Member
Joined: Dec 2007
Posts: 4,999
Likes: 55
From: Bay Area
Baker has a speedo calibrator that you install in the deutsch communication harness between the trans and the speedo. It has an up and down button to calibrate the speedo. I have an earlier dakota digital one but havent tried it yet, as I havent found the connection yet. I think its under the battery housing frame, but Ill get to that eventually.
I have the same mod and my speedo is 4-8 mph off depending on speed. I think the cost is about $130
I have the same mod and my speedo is 4-8 mph off depending on speed. I think the cost is about $130
Stellar HDF Member
Joined: Dec 2009
Posts: 2,561
Likes: 280
From: North Cental Iowa
There are several different add-on units to calibrate the speedo, Dakota Digital makes one also, as stated above DJ PV has the ability as does the TTS tuner, most of the add-on ones are $100+.
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