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General Category >> Rubber Side Down! >> Hot ignition coil
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Message started by zevenenergie on 07/27/23 at 08:37:24

Title: Hot ignition coil
Post by zevenenergie on 07/27/23 at 08:37:24

Dear friends,

I,m doing some modifications to my lights and indicators. And as I,m working on it, I touched my ignition coil and it's pretty hot...
I can barely hold it.

Is this normal, if your key is in the ON position?

Title: Re: Hot ignition coil
Post by justin_o_guy2 on 07/27/23 at 09:43:41

The ignition fires the plug at TDC. Every single time. Exhaust also.. If you turn the key on while the piston is at TDC, the ignition is firing the plug, like a tazer with the button held down. It will destroy your very expensive ignition module.
Key on not running isn't safe. You can unplug the module if you need to have power to figure stuff out.
Idling on the sidestand starves the high end of the cam for oil.

Title: Re: Hot ignition coil
Post by verslagen1 on 07/27/23 at 12:10:19

The coil is connected to the battery all the time the ig switch is on.
The TCI controls when it's grounded. Grounding it causes a spark.
Recharging the coil limits the current but when fully charged more current flows and your coil gets hot.
Plus while stationary no air is flowing so it gets more hot.

While running, current threw the coil is about 4 amps and about twice that with the ig on but not running.

So, try to only have the ig on while running or only a few minutes while checking something.

Title: Re: Hot ignition coil
Post by zevenenergie on 07/27/23 at 14:02:12

Ok I think I fried it, because the piston is still in the same position and it no longer heats up. I'm going to check tomorrow to see if I have spark but I'm afraid not.

Title: Re: Hot ignition coil
Post by zevenenergie on 09/04/23 at 02:04:53

It Turns out That my ignition coil has died on me.

And I'm a little shocked at the price of a new one. I see them from $17.50 to $200. Often I see that they all have the same photo.
Apparently a lot of people trying to make a lot of money eazy. What about it?
Are those cheap aftermaket ignition coil anny good?

And are the ignition coils frome a Suzuki intruder te same as the savage?

Title: Re: Hot ignition coil
Post by oldNslow on 09/04/23 at 05:18:41

You can get an OEM coil from this place. Shipping to your country might be expensive though.

I've bought from them and the service was good.

https://www.partzilla.com/catalog/suzuki/motorcycle/2006/boulevard-s40-ls650/electrical.

Check the part# for whatever year your bike is but I expect the coil is going to be the same regardless of the year.

Title: Re: Hot ignition coil
Post by verslagen1 on 09/04/23 at 08:07:25

322D3E2D262D262D3A2F212D480 wrote:

Are those cheap aftermarket ignition coils any good?

If you think the coil is expensive then the ignition module must be astronomical. Getting the wrong coil can fry the module.

Quote:

And are the ignition coils from a Suzuki intruder the same as the savage?

They might be, but the part number for the savage is 33410-24B00
The 24B means it's customized for the savage
The 00 on the end means it hasn't changed since the beginning.
I don't know what's different, could be the length on the wire, the plug, the mounting or something else.

Suzuki awhile back started using common numbers for common parts so the same part number will be seen in different bikes.

Title: Re: Hot ignition coil
Post by zevenenergie on 09/04/23 at 11:20:27

Ok Tanks Guys,

After spending the hole day surging for an alternative or good cheap one My local garage phoned me they had a used one. Got it for 20 dollars. Ill pick it up first thing tomorrow.

I know a lot more about Ignition coils now :D

Title: Re: Hot ignition coil
Post by zevenenergie on 09/07/23 at 06:14:54

Hy Guys here an update:

The ignition coil turned out to be good after my lockal garage tested it.
I had measured it as I had seen on a YouTube video, but it turned out to be different for the Savage's ignition coil.
So everything was put back again.

I had looked somewhere here on the site and read that it could also be old fuel. so I drained the float and opened the fuel tap and Vroemmmm. The engine started immediately.

The next problem soon announced itself.
The cheap raptor petrol tap from Aliexpress turned out to be leaking after turning it off twice.
http://https://i.imgur.com/MTKDIVim.jpg
And thats why you don,t ordere the chinees ones... :-[

Gasoline was dripping from the air filter when I got up. the tank was half full but is now half empty. ;)
(Pardon my little Joke)
I lost a lot of fuel. :( The neighbours complaint about the smell of petrol.

I installed another Raptor fuel tap and there was a small amount of gummed gasoline on the rubber of the fuel needle. :-?

Now order a new gasket. I hope I can get the carburetor back on, because it was very difficult to get it out.
Tip of how to do that best are verry welcom.

Title: Re: Hot ignition coil
Post by Bob Scogin on 09/07/23 at 10:34:01

The key to using a non-original coil is making sure the coil's primary winding has the same resistance as the original coil. Excessive amperage caused by lower resistance can damage the module, and the correct primary winding resistance assures that won't happen.

Title: Re: Hot ignition coil
Post by zevenenergie on 09/08/23 at 03:00:35

Tanks Bob,

Today I have put the carburator back on his place, It runs better than ever.

But I lookt at my oil level and I see that a a lot of the gas that I had lost ended up in the engine.

The oil in the engine is only 1 week old. But of course I can't drive like that.

Can I take it out and let the gasoline evaporate? and then put it back in again. :-/ Or should I just put new oil in it?

Title: Re: Hot ignition coil
Post by oldNslow on 09/08/23 at 05:14:01

Quote:

Can I take it out and let the gasoline evaporate? and then put it back in again. Or should I just put new oil in it?

New oil. New filter.

Title: Re: Hot ignition coil
Post by zevenenergie on 09/08/23 at 11:46:44

Ok tanks, will do.

Title: Re: Hot ignition coil
Post by J Mac on 09/10/23 at 09:39:52

I noticed the price of the igniter is frighteningly high ($561 on sale). I hope I never need one of those. I guess Verslagen already mentioned that (ignition module).

1F21202C3E22234D0 wrote: