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No Spark!

10239 Views 7 Replies 5 Participants Last post by  Scootereno
Hi all.
I'm new here. I have posted in the introduction section! I'm in the UK in Boston! I'm really hoping you guys can help me. I have a K2 400. My wife and myself went for a ride 3 weeks ago. Got to where we were going no problems at all. Never missed a beat! Started her up (the bike lol) to ride home and the engine just died :twisted: ! No warning signs at all! :shock: Turns out I have no spark. :( I have tried the following...

replacement CDI unit, no change.
replacement pickup coil, no change.
replacement HT lead and cap, no change.
replacement plug, no change.

I have checked the kill switch, side stand switch, safety relay. All function correctly. I had a poor earth connector that I have replaced. Single wire connector down by the generator/pickup connectors. I have checked for continuity in the wiring from pick up coil to CDI, coil to CDI, OK. EVERYTHING else on the bike works ok, all the lights, guages, etc. I have battery volts at the ignition coil when I switch the bike on. I get nothing the other side (on the wiring, goes through coil windings ok). I have good in spec ohms readings from ignition coil primary and secondary windings. I had good readings from the old pickup coil too, but I don't seen to have an actual signal from it! That's why I replaced it but that doesn't appear to give a signal either!!

It's like something just dropped off or broke, but I just can't find it!!! Like I said, no warnings, just died... No miss fire, coughing, stuttering, nothing.

Turns over on the starter absolutely fine, fuel pummp works... All seems to be there except the spark!!!

If anybody has any ideas, PLEASE.... I'm becoming "blinkered" by it all and losing my patience with it...

Please please help...

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Nothing is dumb to ask. I'd try anything right now!!! There's only one in the circuit I can work out and that's the 10A ignition fuse, which is good. Remove it and you get no starter... If there are any more, please let me know... Like I said, I'd try anything right now...

Thanks for the reply... :thumbup:

Ok mate, thank you. Didn't realise that, sorry...
I've sent my local Suzuki dealer an email this evening, see if they can shed some light...
Thanks again... :thumbup:
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