I had bought an aftermarket cdi for a trx250r, my first 250r . It never came with one. So I have the issue of serious kickback . It has loads of spark though. I was told buy an oem cdi. I bought one , 200 bucks later, no spark at all. Thought I might have got a dud. So I bought another, another 200 bucks later, still no spark. Bike is not finished being built , and would like to get it firing before I go any further in the build. I have no regulator hooked up, or any lights etc. Just the stator to harness , coil to harness, and the cdi to harness. It should be sparking if the cdi's worked, right ?