Question about 1980 Suzuki Gs 550 L

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1980 gs 550 l no spark ..I was told to relace ignition module

1980 gs 550 l no spark ..I was told to relace ignition mod, would this be the cdi igniter box?

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Yes

Posted on Jul 24, 2009

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  • cody7975 Dec 21, 2010

    yes it is. but i had the same problem. you can buy a upgraded system from dyna for 150. a new box is 500

  • Todd Luzod Jun 26, 2013

    I have the same problem with my Suzuki 550E. Tried to google search Dyna with negative results

  • Todd Luzod Jul 09, 2013

    Found the box from dyna on ebay. The problem I am having is that it runs great for 5 minutes on all cylinders. After it warms up it starts to lose power and you can hear cylinders begin to misfire and it finally stalls and won't start. Checked the plugs and they seem to fire but sporadic. They are black but only a year old. A friend had a problem with no spark and it was the igniter box with is under the air cleaner. Have not installed the new electronic ignition from Dyna yet.

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Try new plugs first. I tried all sorts of things before I tried this. It was back firing, weak spark, spitting gas. I even cleaned the plugs multiple times. once changed it fired up in no more than a half kick while seated.

Posted on Apr 21, 2011

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Yes. Dyna makes an upgrade for this called the Dyns S and it replaces the signal generator and the ignitor box for $150. New ignitor box is $500 so it is best to upgrade.

Posted on Jan 23, 2011

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Hi there I'm stuck I don't know how to check the


Sorry but they either work or they dont.
If yours isn't working, replace it.
But before you replce it consider checking the other components, because ign mods are exspensive.
it sounds like you've been already checking the other stuff. heres what i'd check if your bike came to my shop.
1. battery fully charged, and can take a load. (weak batteries = weak ign power)
i have a bike that won't fire at all with weak battery. Make sure battery is good.
2. check for spark at plugs, make sure plugs are good. Pull plugs and turn motor over.
rest plug next to head and turn over, do not touch the plug while turning over
or you can be shocked.look for spark.
if you have spark , then you ign mod is working.
if no spark, then check #3
3. power to coils. check the power going into coils,
if power but no spark, then coil is bad.
if no power. check #4
4. power to coils comes from a ignition system ( points/ cdi /ign. module)
there is a stator and a rotor. and a signal generator. on your motor
the signal generator wire sends a signal to the cdi, every time the rotor rotates.
the ignition system (ign.mod) sends power to coil.
so if no signal to the cdi, then signal generator is bad
if signal going into cdi but not sending the power to the coils then the cdi/ ign. mod is bad.

Hope that helps
Best Regards
Big Al

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1980 Suzuki GS450, jump started my bike and now no spark, I blew the main fuzz, replaced it but still now spark, could the Igniter have gone bad or other ignition related problem be why it has no spark, I...


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