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General Category >> Rubber Side Down! >> no spark
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Message started by aussie_biker on 02/01/07 at 12:37:17

Title: no spark
Post by aussie_biker on 02/01/07 at 12:37:17

My savage has no spark.Was running then stopped.I bought a new coil & installed it.Still no spark. ???
How do I test the magneto for windings still unbroken &/or the spark sensor unit.The motor turns over fine.
I have a multimeter & not afraid to use it but need guide as to voltage/amperage values that I would be chasing.This bike sat in my shed for a lot of years before being rebuilt.

Title: Re: no spark
Post by Greg_650 on 02/01/07 at 14:16:18

Do you have lights and horn? (I guess that you must have turned it over to get "no spark". So that means the side stand/clutch switches work)

Check for 12V on the O/B wire at the regulator with the key ON.

Check the kill switch, too.

Got a manual? You may need a schematic.

Title: Re: no spark
Post by Greg_650 on 02/01/07 at 14:21:21

Check the schematic in the tech section...

http://suzukisavage.com/cgi-bin/YaBB.pl?board=tech;action=display;num=1099317926

Title: Re: no spark
Post by aussie_biker on 02/01/07 at 17:17:42

Greg_650 wrote:

Thanks Greg.
I have 0 volts at the regulator o/b wire so that would appear to be the problem. :D

Title: Re: no spark
Post by Greg_650 on 02/01/07 at 21:02:18

But the engine turns over with the starter?

Title: Re: no spark
Post by aussie_biker on 02/02/07 at 02:20:44

Greg_650 wrote:

But the engine turns over with the starter?

Yes,everything works,lights horn indicators just no spark.New sparkplug installed in case the old one was faulty.

Title: Re: no spark
Post by justin_o_guy on 02/02/07 at 02:25:14

Pull left side panel & check connector on spark control box? Check wires?

Title: Re: no spark
Post by Greg_650 on 02/02/07 at 10:37:39

That's interesting. The O/B wire comes from the ignition switch, but it also feeds the horn and turn signals

And you've checked all connectors and cables to make sure nothing is worn? Checked fuses, too?

Check what Justin said, and look close at the ignition trigger wires from the alternator to the ignition unit...on the O and G wires.

Check O/W at the Ignition unit, coil, and kill switch.

Check the decompression module connector.

Where's ReelThing? He might have an idea too.

Title: Re: no spark
Post by aussie_biker on 02/06/07 at 23:48:18

A good mate of mine loaned me a Suzuki manual from his shop today. ;D After checking everything I believe the Ignitor Unit is faulty.He told me over the phone that was the likely cause.Supposed to have 500 K ohms from orange to green but am getting just over 200.All the other parameters check out so I'll drop in to the stealership tomorrow & hopefully my problem will be solved.
It's also interesting to note that a cut-off circuit is incorporated into the ignitor unit so that if the engine turns in the reverse direction & reverse current is produced by the starter motor no sparking will occur.
I'll check that out in the morning & see what is happening there.I don't believe that is the case in this situation as the bike was running happily in a forward direction when it stopped.
I have been wrong before though,just ask my ex ;D
Let you know when I know.
Thanks for the help guys.That's what I love about this website.Everyone trys to help out when they can.

Title: Re: no spark
Post by Greg_650 on 02/07/07 at 05:18:09

Sure would be good if you could just pop in a used one to test that idea.

Good luck.

Title: Re: no spark
Post by justin_o_guy on 02/08/07 at 00:37:54

Seems like steveh is parting out an older model. If it will work, I dunno, He might part with that module, I have no clue if it will work even. Best O Lukk,,