Any pictures? What's the stamped letter on that CDI?
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Typical chinese 233 twin is 90s CA250 (Rebel) copies
Wrong CDI (cap inside CDI is smaller, can't output enough juice ...) / stator (designed for 2 cdi CB125T) may jammed in
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250
CA http://sanxin.com.cn/Exhibit/exhview.asp?pid=13 | Zongshen ***had kickstand safety s/w *** http://sanxin.com.cn/Exhibit/exhview.asp?pid=14
125
CBT http://sanxin.com.cn/Exhibit/exhview.asp?pid=10 | CM http://sanxin.com.cn/Exhibit/exhview.asp?pid=11