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1991 TRX 300 spark issues.

665 Views 3 Replies 4 Participants Last post by  retro
I have no spark. I have taken the spark plug out, ground it to the frame and made sure that was the issue. I have replaced the coil, and the CDI box still no spark. I have also checked any fuses I could find. HELP...
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the kills switch may need to be cleaned out with WD40 while working it back and forth , remove the spark plug boot by unscrewing it , cut 1'4 off wire and rescrew it back together ,

make sure the cdi isn't from china , if the CDI you replaced the old one with was new and you paid $15-30 , that could very well be your problem , or maybe you got the wrong CDI , there are some cdi experts on here who know what fits what year
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