carb conversion

i have an 06 ltr 450 that has had a carb put on it (not by me) and it is getting no spark i have a brand new stator and coil im thinking it could be the ckp sensor but im not sure if that was part of the stator? the only think left could be the cdi or are there any other sensors that would stop...

I have an 06 ltr and its done nothing but give me problems .... it will not run correctly, I have changed every single part of the fuel system otger than the throttle bbody which I may try... but anyways Does anyone know of a cheaper way to do a carb kit other than buying the whole kit from...