cdi box??

At first the plug barely got any fire so it took forever to start and I checked it yesterday and it wasn't getting fire at all. I got a tester and tested the coil and wasn't getting fire so then I checked the cdi and it was just fried so I'm going to buy one and if it doesn't fix it I'll buy the coil to
 
im having problems with my blaster. its not making power. it just runs like crap and not burning all the gas. stators good,jetting is right on,tryed 3 diff spark plugs,no better yet.