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CDI Box blew

1034 Views 2 Replies 2 Participants Last post by  rossqs
I have a 1990 fourtrax 300 that was not getting any spark, the plug is good (tested on other four wheeler) and I replaced the wire going from plug to cdi box. I dod not get any spark and put on cheap cdi box (did not know importance of poem at time). It immediately smokes and blew during start. Do I need a new oem cdi box or is the old one possibly good and the problem is something else?
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It is that 1990 generation. (89-92 I think). The wire was frayed. I put the cdi in the oven, but it still did not get spark afterward. it also did not blow like the last one did though. any thoughts?
1 - 2 of 3 Posts
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