No spark

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Lucoousesox
Posts: 5
Joined: Sat May 28, 2022 4:26 am

No spark

#1 Post by Lucoousesox » Sun May 29, 2022 8:25 am

Hi all
I have all the lights working but cannot get a spark, no voltage at the coils either, an ideas please
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phildu31
Posts: 435
Joined: Tue Jul 19, 2011 7:49 pm
Location: Toulouse France

Re: No spark

#2 Post by phildu31 » Sun May 29, 2022 10:37 am

Ignition and lights are totally independent.
Check ignition switch, kill switch and alternator coils.
CDI failure is common.
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Lucoousesox
Posts: 5
Joined: Sat May 28, 2022 4:26 am

Re: No spark

#3 Post by Lucoousesox » Mon May 30, 2022 9:28 am

Thank you, should I have 12v at the ignition switch, I have 12v but only to the lights
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phildu31
Posts: 435
Joined: Tue Jul 19, 2011 7:49 pm
Location: Toulouse France

Re: No spark

#4 Post by phildu31 » Mon May 30, 2022 9:55 am

Ignition switch and kill switch are only here to stop ignition.
Disconnect them and you should start the engine ( but then you cannot stop it ... ).
If engine still doesn't start, next, take a look at the alternator.
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Jeff B
Posts: 755
Joined: Fri Nov 18, 2005 6:15 pm
Location: Wisconsin

Re: No spark

#5 Post by Jeff B » Tue May 31, 2022 11:10 am

I had intermittent spark that was caused by bad grounds.
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rz500guytexas
Posts: 336
Joined: Wed Jul 03, 2019 1:46 pm

Re: No spark

#6 Post by rz500guytexas » Fri Jul 01, 2022 10:05 am

Kick stand swith. Check the wires to coils. Mine had a broken wire inside the insulator. Looked good but one coil was dead. Use an ohmeter and chack all you can for continuity. I cleaned and tightened every connection on both bikes before putting them back together
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