electronic tach on 82 I

Information and questions on GL1100 Goldwings (1980-1983)
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Posts: 88
Joined: Sun Feb 10, 2013 2:45 pm
Location: Vancouver, Washington
Motorcycle: 1982 GL1100 I
1985 GL1200 LTD

electronic tach on 82 I

Postby washandy98664 » Mon Apr 15, 2013 5:49 pm

Going to change over to an electronic tach for my 82 Interstate.
Wondering if anyone has done this. I keep running across issues for the fact that the coils are split. Which one or both do I hook up to???

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Location: Denham Springs,La.
Motorcycle: 1988 GL1500 I
Previously owned
78 GL1000
81 GL1100
82 GL1100 I
83 GL1100 I
83 GL1100 standard
84 GL 1200 I

Re: electronic tach on 82 I

Postby virgilmobile » Tue Apr 16, 2013 3:59 pm

Most conversions that I recall have a selectable input for the ignition pulse.
I don't recall any tach that taps both coils.
You will need the specs on the tach to determine if it's compatible with the 4 cylinder dual coil engine.
If I remember right,with the wasted spark method,each coil is pulsed once per revolution of the crank so 1000 rpm=1000 pulses per minute.

Better verify that...I'm a little fuzzy on the details.

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Gunnar Már
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Location: Reykjav�k, Reykjavik, Iceland
Motorcycle: Honda Gl 1100

Re: electronic tach on 82 I

Postby Gunnar Már » Tue Apr 16, 2013 4:58 pm

If you find a tach that works please post it in here, I'm looking for one to since I have a 1200 motor and it had an electronic tach originally.

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