Gl1100 Starts/runs on only two cylinders - Steve Saunders Goldwing Forums

 
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post #1 of 7 (permalink) Old 09-09-2008, 08:45 PM Thread Starter
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Okay, I've spent a week looking through everything on this site for something that fits my situation.

I have a 1980 Honda GL1100 Standard with full vetter dress that I have rebuilt from buckets (withimmense aid from this site). I was riding two weeks ago,at a stop signon a steep uphill incline, when I took off, I lost power, but was still running. I got it hobbled back home to find that I had no spark in the rear two cylinders.

Here's what I have done so far:

Wired as normal: Spark in the 1-2 cyl, no spark in 3-4, will start.

Swapped spark unit plugs: Spark in the 1-2 cyl, no spark in 3-4, will start.

Swapped coil power source (blue & yellow wires) No spark in 1-2 cyl, spark in 3-4, won't start and backfires (possibly because of unburned fuel)

Swapped both coil power source and spark unit plugs: same result as above.

I have changed out the left coil that didn't bench test reliably: Still no spark in 3-4.

From what I've gathered from this forum... the only thing left is the pulse generator... I think. If you have any other advice, I'm willing to look into it before going back out to pull the back wheel and swing arm.

And the other question... Where in hell do I get a pulse generator? New or Used?

Let the games begin!

Bearmandu
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post #2 of 7 (permalink) Old 09-09-2008, 09:26 PM
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Looks like you isolated the problem pretty well. Check the connection at the plug beside the battery where the pulse generators connect for corrosion or loose terminals first. I don't know if the pulse units are still available new, maybe check the for sale/wanted forum here, there are a few 1100s being parted out.

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post #3 of 7 (permalink) Old 09-10-2008, 09:03 PM Thread Starter
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Any one out there have a pulse generator or know of bikes that use the same part?
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post #4 of 7 (permalink) Old 09-10-2008, 09:09 PM
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Scroll down to the bottom of the page and where it says (forum jump) or to the top to Steve Saunders goldwing forums and click on that and go to the for sale/ wanted forum and ask there.

With no God over the state, the state then becomes not the defender of liberty but the definer of liberty.


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post #5 of 7 (permalink) Old 09-11-2008, 09:18 PM
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Had the same problem with my 1100. Mine was a broken wire from the pulse generator. Ohm out the wires from the pulse generator. You can get to the as mentioned before next to the battery box.
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post #6 of 7 (permalink) Old 09-12-2008, 03:18 AM
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This happened to me, after I hit a bump, and one of the spark control units was bad. They fooled me after swapping the around, (I fixed the problem by putting on 2 more spark units) I still believe this sounds like either the above or a bad coil, because after you swapped the coil wires, you had a spark in thecylinders youpreviously had lost! Backfiring in this case would have beenthe result. I would get a coil first BEFOREI changed the Pulse Generator, and replace the spark units.

If you know how to use an Ohm Meter, Test the coil. ISTRONGLY believethat the COIL or spark unitis your problem. I have a coil, but I have not checked it, but it come off of a good running bike. If you pay the shipping, you can have it . (I do not sell electrical parts)

Nightrider1

PS. I also have 1 good spark unit, for shipping only. (They are the ones that one went bad when I hit the bump. I just changed both of mine out.) PM me your zip and address.I will go to the PO, and get a price for a box and overnite shipping. No profit will be made for me on this.



Bearmandu wrote:






Quote:
Okay, I've spent a week looking through everything on this site for something that fits my situation.

I have a 1980 Honda GL1100 Standard with full vetter dress that I have rebuilt from buckets (withimmense aid from this site). I was riding two weeks ago,at a stop signon a steep uphill incline, when I took off, I lost power, but was still running. I got it hobbled back home to find that I had no spark in the rear two cylinders.

Here's what I have done so far:

Wired as normal: Spark in the 1-2 cyl, no spark in 3-4, will start.

Swapped spark unit plugs: Spark in the 1-2 cyl, no spark in 3-4, will start.

Swapped coil power source (blue & yellow wires) No spark in 1-2 cyl, spark in 3-4, won't start and backfires (possibly because of unburned fuel)

Swapped both coil power source and spark unit plugs: same result as above.

I have changed out the left coil that didn't bench test reliably: Still no spark in 3-4.

From what I've gathered from this forum... the only thing left is the pulse generator... I think. If you have any other advice, I'm willing to look into it before going back out to pull the back wheel and swing arm.

And the other question... Where in hell do I get a pulse generator? New or Used?

Let the games begin!

Bearmandu

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post #7 of 7 (permalink) Old 09-12-2008, 08:10 AM
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One of the last suppliers mentioned on this forum that still had NEW Pulse Generators is Vencowings. If you're sure you's is bad,try a Google search.

For those who've never fought for it, the price of freedom shall never be known.... Shooter (2Late45)

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