yz125

I just got a 1995 yz125 and the guy said it needed a new stator. The sparks werent Continuous no i got a new stator and now i have no spark. I need help!!!

Hi all , I’m thinking about getting into riding. I ride street now but rode a CRF150F a few weekends ago at a local MX track. I had a blast! I’m 5’9”, 170 lbs. I don’t know if I should be looking at a 125 2t or a 250 4t Pure MX or woods? I anticipate riding mostly track, not racing though...