Page 1 of 3

nc24 no spark

Posted: Mon Aug 02, 2010 2:44 pm
by fringe80
hi,

got an nc24 that wont create a spark!! any help would be appreciated!?!

checked plugs they are clean as a whistle and can't think what else to look for,, limited experience with these!?!?

it has been modded for the track so has no choke, or ingition, just starts off the button, mybe this could be the problem!?!?!?!

worked fine until the pickups had to be change due to a fault there,, I'm lost!!!!

Thanks in advance Lee

Re: nc24 no spark

Posted: Mon Aug 02, 2010 3:10 pm
by CMSMJ1
we'll need more info dude..

does it turn over on the button?

Is it all 4 plugs not sparking?

Have you checked the coils and ensured the CDI is plugged in?

Does it have a kill switch? Is it set to run.... ;)

Re: nc24 no spark

Posted: Mon Aug 02, 2010 4:19 pm
by fringe80
bike turns over fine, kill switch is fine!!!
just no spark in the back 2 so far,, trying to get the front off tonight,,
any help from that so far!?!?!?

Re: nc24 no spark

Posted: Mon Aug 02, 2010 5:12 pm
by CMSMJ1
what pickups were fitted and was it ever running after that?

Re: nc24 no spark

Posted: Tue Aug 03, 2010 12:32 am
by fringe80
nc24 pick ups from my other bike,,, no spark from any plug, put a tester on the coils when turning the engine over and there is a drop in currency!!! what am i looking at here!?!?

Re: nc24 no spark

Posted: Tue Aug 03, 2010 11:00 am
by Neosophist
Right, let me try and understand this a bit better.

You have change the pickup coils to one off a known running bike yes?

Did you do this becuase you had no spark on this bike and were chopping / changing bits or for another reason?

Have you done any electrical checks yet?

* Check killswitch is turned off and not shorting out (it'll crank with it on)
* Measure resistance of ignition coils
* Measure resistance of pickup coils
* Check voltage at battery
* Check voltage at coils

Go from there.

Re: nc24 no spark

Posted: Tue Aug 03, 2010 2:52 pm
by fringe80
checked everything,(well my electrian mate)
All seems fine,, just still no spark!!!!
Where next!?!

Re: nc24 no spark

Posted: Tue Aug 03, 2010 3:55 pm
by Neosophist
Theres a couple of earths on the bike, one is attached to the front coil bracket.

When did it start playing up, and why did you change the pickup coils.

Sounds like you might have a fried ignition box (Oki unit under passanger seat)

Re: nc24 no spark

Posted: Tue Aug 03, 2010 4:49 pm
by fringe80
it worked fine then, did a track day, went to start it a couple of days later and nothing,,my mate checked and changed the loom thinking it was that and all the other electrical parts, did the cdi aswell,except the pick ups, so thought it had to be them,, so have recently changed them but still nothing now still just turning over!!!!

Re: nc24 no spark

Posted: Tue Aug 03, 2010 6:17 pm
by Neosophist
have you put the original cdi back on? :)