No Spark Troubleshoot

[drawkward]

Right from the Ropes on Tires to here... Got snow ALL over the inside of my scooter. I mean covering every little part (knew I should have put that fender back on :/). All the electrical connections were covered. Sounds like a water connection shorted something out in the video. Can't get a spark now, even with the boot removed and trying straight from the ignition wire. Idea's, suggestions? Wish these things had more fuses.

PS - I'm going to get some clear silicon caulk and coat everything electrical with it. ...Once I get her smokin again.

Fast forward to just before the end to hear it die out.

[90GTVert]

It'll probably fire up once everything dries up. Packing snow on everything isn't the best thing for your scooter.

[drawkward]

I was hoping so but I'm not too sure. I've had the heater in there and it's been drying for a few hours, still no spark.

CDI's aren't that expensive, but still costs as much as the alarm I want. Anyway I can test it, so I don't order a part I don't need?

[190mech]

Unplug all your connections,hit them with a shot of WD40,then
reconnect.Dont forget bout all those connectors up front too,
around the ignition switch,etc.

[drawkward]

Thanks 190mech. I'm about to go try that and see what happens.

Nice plane, by the way.

[drawkward]

I replaced the CDI as well as the ignition coil. No spark. Taken all plastics off to unplug and replug all wiring. No spark.

Suggestions? I have the cooling fan off right now and am about to check stator, but don't really know what I'm doing when it comes to that. I have a volt meter, how can I use this to help diagnose my problem?

I noticed I had another disconnected blinker, but I don't think this would be my problem. I'm at my wit's end here. Just don't know what the issue is.

Update: I put my brother's CDI in and I got a great spark on the first turn, then no spark after. Thought I blew the CDI then reinstalled into my brothers scooter and it still works.

[Reign]

Feb 4, 2010 14:46:40 GMT -5 drawkward said:

I replaced the CDI as well as the ignition coil. No spark. Taken all plastics off to unplug and replug all wiring. No spark.

Suggestions? I have the cooling fan off right now and am about to check stator, but don't really know what I'm doing when it comes to that. I have a volt meter, how can I use this to help diagnose my problem?

I noticed I had another disconnected blinker, but I don't think this would be my problem. I'm at my wit's end here. Just don't know what the issue is.

Update: I put my brother's CDI in and I got a great spark on the first turn, then no spark after. Thought I blew the CDI then reinstalled into my brothers scooter and it still works.

Hmm, very weird. I have experience with blowing stators though. I blew mine when I tried to wire the lighting circuit directly to the rectifier. It blew the rectifier, stator, and toasted the entire lighting/stator circuit. I ended up replacing the rectifier, stator, and made my own wiring harness. Too bad I didn't wait a few more weeks because all of these parts I got included 2 brand new stators That would've saved me about $50. I replaced the coils on my fried stator though, so if you need one of those let me know. If you're feeling daring, try taking the stator from your brothers scoot and putting it on yours. If you still have no spark, you mightve fried the wiring.

[drawkward]

Yeah I might just need to hit you up on that stator.

I'm going to go open mine up and see if I can see anything wrong.

Is there a way I can test the stator with a voltameter without having to open it?

[Reign]

Feb 4, 2010 18:48:37 GMT -5 drawkward said:

Yeah I might just need to hit you up on that stator.

I'm going to go open mine up and see if I can see anything wrong.

Is there a way I can test the stator with a voltameter without having to open it?

There's supposed to be a ohm reading from the stator, but I could never get it to read right. Even on a brand new stator, the reading was like 5 times higher than the book said. You should be seeing around 30V AC from the stator at idle though, but that doesn't help if you can't get it running.

[90GTVert]

I never get the stator's readings to match the book specs either. I usually take a test light (voltage meter can work) and look for a signal out of the stator's wiring when it's being turned over. You should get some sort of voltage from 3 wires. Two should be lighting/charging the other should be ignition. Your voltage meter will prob act kinda crazy with a pulsing signal, test lights are easy you just watch the light flash on and off as it's energized. Other option is to replace the stator with one that is known to be good as Reign said.

[Fox]

I e-mailed a MO at scrappydogscooters.com last night about it and there was a reply this morning. The exchange went as follows:

I was hoping that you might be able to tell me how to check a stator from a 1E40QMB horizontal Minarelli. I have a meter but I don't know how to test and what the readings are that determine a good stator and a bad stator.

Thanks for any input!
Dave

He replied:

I believe the ignition charging coil should read between 300-500 ohms, and the pickup at .1-.5 ohms.

He seems very knowledgeable.
www.scrappydogscooters.com/Tech_Talk_with_Mo_.html

[drawkward]

Finally got off my lazy ass and went out to get some readings. Here's what I've got concerning the stator.





Now this last image... I was turning the motor over with the kick starter. Red multimeter wire on stator connections, black multimeter wire was grounded. Not sure if that's how I should have done it... Also need to check the two single connections for voltage.

[90GTVert]

I went out and took some readings on my stator for you. My wiring does vary slightly though. My three pront connector only has 3 wires. From left to right with the lock (hump) at the top I have Black,Green/Red, and White. The two individual connectors are Blue/White and Black.

Key Off/Engine Off : Stator Disconnected

In your very first pic, top to bottom, my readings would be :

1.2 ohms
1.2 ohms
0.8 ohms

The rest of the readings I got were way off of yours....

In the second pic, left side, 3-pin to white (blue/white for me) from left to right :

713 ohms, 386 ohms, 386 ohms

2nd pic, two individual wires :

1,096 ohms

2nd pic, right side 3-pin to black (black/red for me) top to bottom :

250 ohms
713 ohms
713 ohms

I never get readings that coincide with any manual or other people's readings though. That's why I usually do an easier test that has worked for me so far. I use a test light with the end attached to a ground and probe each of the 3 terminals and 2 wires while cranking the engine over with the electric or kick starter. If I don't have the correct amount of signals (3 in this case : lighting, charging, ignition), then I check resistance and get values that don't match anything lol, then I try another stator.

My test light pulsed on the Green/Red and White connectors in the 3-pin and the Black/Red individual connector. I believe Black/Red should be the ignition signal, the other 2 are just charging and lighting.

[drawkward]

Ok, well I think I'm getting a stator from Reign anyhow. I will let you guys know what's going on, if it get's fixed by the new stator. I might even do a rewind on the broken stator.

Thanks, Brent, for getting the readings.

[Reign]

Feb 21, 2010 23:54:50 GMT -5 drawkward said:

Ok, well I think I'm getting a stator from Reign anyhow. I will let you guys know what's going on, if it get's fixed by the new stator. I might even do a rewind on the broken stator.

Thanks, Brent, for getting the readings.

Just a thought. Do you want a full stator, or just the coil part? I have both. IIRC, it's only 2 or 3 screws and the coil comes off, and then you just resolder those 3 or 4 wires to the new coil and it's set. It's up to you, seeing you said you wanted to rewind the old stator.