02 warrior backfire out intake break up at high rpm

[freetownwarrior]

Stock warrior new carb New stator new dynatek cdi, New wire harness,had to bring to a mechanic unfortunately, they think pick up coil, any ideas , tired of fixing and not riding, pick up coil tested within spec would it still be no goos

 

[jeffsyfm350x]

Stock warrior new carb New stator new dynatek cdi, New wire harness,had to bring to a mechanic unfortunately, they think pick up coil, any ideas , tired of fixing and not riding, pick up coil tested within spec would it still be no goos

Running to lean go with a 147.5 or 150 main jet and adjust air mix screw..