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codemanlyons
11-05-2008, 02:29 AM
i lost spark in my 85 250 big red. its not the plug or coil.......Any ideas?

hublake
11-05-2008, 07:13 AM
Try a new plug.

y2kane
11-05-2008, 08:48 AM
Stator? I replaced mine when it had an orange spark and it fixed the problem.

Taiser
11-05-2008, 08:58 AM
How do you know it's not the coil...usually the first thing to go, or the cdi?

codemanlyons
11-05-2008, 11:50 AM
i took a good coil off another 85 big red that runs and still no spark. its got a new plug. Last night it had spark for a min then quit agian. now i cant get spark at all ?

y2kane
11-05-2008, 12:47 PM
I also had a wire that was a ground to the motor on the left side by the pull starter, that had come off and that caused no spark might want to check all wires too. Just a quick thought of my issues I have had.

smvorndran
11-05-2008, 12:53 PM
Check your kill switch and make sure it's working properly. If it's corroded or full of mud, it could be malfunctioning.

smvorndran

PaTriker
11-05-2008, 08:26 PM
I had a kill switch wire that was pinched in side the switch that finally wore through. Open it and take a look at the wires.

Gearheadtom
11-05-2008, 09:49 PM
i took a good coil off another 85 big red that runs and still no spark. its got a new plug. Last night it had spark for a min then quit agian. now i cant get spark at all ?

Did you also try the CDI (the little black box on the frame)?

codemanlyons
11-06-2008, 02:11 AM
Yes i also tried the cdi box still no spark...i will look into the kill switch tomorrow

codemanlyons
11-06-2008, 08:03 PM
So i tried the plug the coil the cdi box nothen checked all the wires checked all the fuses took the kill switch off everything is good..still no spark!! what am i missing besides the stator which i want to be the last thing i try???

Taiser
11-06-2008, 08:03 PM
Not much left to check after that, more than likely it's grounding out somewhere in the harness...break out the voltmeter!

Texas 200x
11-06-2008, 08:31 PM
Get a manual and a voltmeter. You can unhook your kill switch so you know it isn't the problem. Check for continuity out of the stator to the engine. Usually that means its good. Clean all your connections and look for any bare wires. Good luck! 100 POSTS!:w00t:

gravelyman
11-06-2008, 08:48 PM
have you checked your pickup coil? it sends the signal to the cdi box the cdi box sends it to the coil the coil sends it to the spark plug all the kill switch does is ground it just unplug the ground and that elimnates the kill switch

codemanlyons
11-06-2008, 08:54 PM
i havent checked the pickup coil where is that located?

smvorndran
11-06-2008, 09:10 PM
I think it's on the stator plate.

smvorndran

codemanlyons
11-06-2008, 09:43 PM
Is there a way to test it without pulling the case?

smvorndran
11-06-2008, 10:15 PM
If you can find the 2 wires that are it's output, you can check for a voltage spike every time the rotor goes past it.

smvorndran

codemanlyons
11-06-2008, 10:37 PM
Iam not sure which wires tho?

codemanlyons
11-19-2008, 04:03 AM
so i got the new pickup coil today and installed it tonight...she fired right up that was the problem....50$ later runs like new...thanks for the help

CaptainRon
11-19-2008, 11:33 AM
Where did you purchase your pickup coil from?

oscarmayer
11-19-2008, 08:13 PM
sweet! glad it works!

codemanlyons
11-20-2008, 02:30 AM
i purchased it from Mr. Cycles it was 43 i think when they wanted 70 for it at my local honda dealer. just took a little longer to get here but it was worth it.