Clock in the odometer???
Outstanding HDF Member
Joined: Aug 2009
Posts: 2,858
Likes: 217
From: Puyallup Wa.
I dont know how it knows but it does. I have done long trips on my bike I have used trip A-B and remaining miles. That time was not there with stock radio. All the audio threads and I am surprised I never seen mention of this. It does not keep time that well it was a hour off oh ya day light savings 
Advanced
Joined: Jan 2011
Posts: 82
Likes: 1
From: WI
Tach also (some models)
I was looking at a bike on the show room floor(can't remember model but a '12),and it had a digital tach on the odometer/clock/trip meter/miles remaining. All I could say was...huh !
Cruiser
Joined: Apr 2011
Posts: 102
Likes: 0
From: Lexington Park MD
My Father in law has a 2008 Dyna Low Rider which didn't have the radio in the first place and his has a built in clock on it. I bet when Harley added the radio, the clock display gets repressed so you don't have two clocks. I wonder if HD's have a black box like cars where they time stamp data like speeding and brakes locking up etc. good luck.
Road Master
Joined: Sep 2013
Posts: 1,091
Likes: 84
From: Southern Maine / Seacoast NH
Pretty sure newer Sportsters have the digital tach. Not sure about others.
Outstanding HDF Member
Joined: Aug 2009
Posts: 2,858
Likes: 217
From: Puyallup Wa.
should add factory radio.
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Seasoned HDF Member
Joined: Apr 2008
Posts: 23,042
Likes: 12,326
From: Arkansas
when I removed my stock gas gauge on my Indian, a digital gauge showed up on my speedo display. Later when I put the gas gauge back in, the digital gauge disappeared. It's magical!
Tourer
Joined: Apr 2010
Posts: 340
Likes: 12
From: Ontario
I installed the Aquatic AV head unit in my 12 SG and the clock appeared. A couple of years ago now but any questions I had then I would check with the audio gurus on here, they are some of the most knowledgable and helpful guys you will find anywhere hands down.