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Cdi Box And No Spark

459 Views 1 Reply 2 Participants Last post by  450speed
does anyone out there know how to check a CDI box to see if its good i have no spark but i have power going in the the coil i have replace the coil twice now and thats not the problem its a 2004 yfz
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ya take it over to adams house he'll get it runin.
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