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Just Winging It
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3,324 Posts
I just did this.

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I found a set for $40 on ebay shipped to the house

1200 coils cost just over $100 each new.

Removing the 1500 boots makes the installation fairly easy.

The 1500 boots have to be cut off to be removed they don't unscrew like the 1200s do.
 

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Just Winging It
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3,324 Posts
I hope so.

I took it out today it was 95 deg f

Not sure I went far enough to prove that the coils were at fault and not the pulse generators so......................

The bag of water is in the trunk for now. :D


It does run better

So were is the link to the tutorial on 1500 pulse generator on a 1200?

I would have changed the pg's this winter but I broke the first mounting bolt I tried to turn. I left it that way.
 

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Registered
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48 Posts
Just a final note on my 1980 1100. Did the upgrade and it was plug and play. Might have 5-600 miles on the upgraded coil pack and can say that it was a good change, no ballast resistor like the OEM set was. I have used the V6 stock plug boots that are a little hokey looking but I am not sure if the NGK aftermarket one are OK to use. All I know is my bike is running pretty good right now. Not a rocket but a nice surge when you give it a twist.
 

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Premium Member
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6 Posts
Can these GL1500 coils be used on a GL 1000 set up by keeping the ballast resistor in place and wiring the primary as a stock set up with the resistor. Both the stock coils and the GL 1500 coils seem to be a 2 ohm primary resistance if I am reading the post correctly.


I have used these GL1500 coils on early 80's inline four Hondas with good results in the past, yet these bike are a pulse generator electronic ignition and not points like the GL1000.
I plan on keeping the points on the GL 1000 and just want a coil set up that offer removable/replaceable HT wiring at the coils, as a PO cut the stock GL1000 coils HT wiring and spliced some new leads on there that look pretty sketchy.


Any feedback or experience with the stock GL1000 ignition with stock points using the GL1500 or even the older AW82 GL1100 coils as long as the HT wires can be replaced on the coil would be appreciated.
 

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Premium Member
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688 Posts
The 1500 coils I have are a shade over 3 ohms. Gl1000 coils are 2 ohms Iirc. So you would be okay with the resistor or about one ohm less resistor.
 

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Premium Member
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6 Posts
Thank you,


I will check the GL1500 coils I have in stock and I do have a couple of sets of the AW82's from the early 80's bikes that I believe those are 2 ohms for sure and have replaceable HT wires.


The GL1500 coils are just a little better performance from the 1980 CB's that I have converted.
 

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Premium Member
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127 Posts
Love it. I should give this a try after I get me stator job finished! Thanks for the insight! JD


Went to start my 86' GL1200I Naked, No Start.

Pulled plugs checked for spark at all 4 plugs Nothing.

Checked my coils voltage 12V in, nothing out, on one coil.
...

When you buy the MP08 GL1500 Coils, I got Three Coils, and Six plug wires they were mounted to the GL1500 coils Mounts (i did NOT use the GL1500 coils Mounts) I only used 2 of the coils and 4 of the Plug Wires.

This gave me One spare coil and Two spare Plug Wires for the shelf.


All for $25.00 to my door.
 

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Premium Member
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1,099 Posts
I did this mod to my GL1000 a couple of years ago because one of my OEM coils was shot and I wanted a cheap replacement that had replaceable wires.

I left the resistor because I didn't want to take a chance of damaging the points.

The swap was easy, and the bike ran great (until the solenoid stuck and fried the starter). I can't say that it added power, or made it start faster, but it's a good money saving upgrade for the GL1000.
 

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51 Posts
figured it out, thanks
I used the spacer method and I'll post pics as soon as I have finished my project

'finished project' he said......

anyway, al lyou see has been cleaned up, for the most part. I am not
going to get anal about cleaning the inside of the frame and the wiring harness.
However, it is quite a bit cleaner than what you see here, so far.

I should add those 1200 coils to my list of 'stuff to 'get rid of' for cheap. I have a 1500 coil too.
 

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