Stihl BG86 Carburetor and Ignition Coil Replacement (Read Description) 

Hi ever since i replaced my ignition coil, especially when cold my blower, also BG86C, really stutters, similar to how yours was when you first tried starting it but worse. And sometimes the pull cord springs back very heavily. I didn't have the gap tool so i just did it by eye but will try the piece of paper. When running it's fine but sometimes getting it started can be a nightmare, could this be the cause of the gap not been right? I can't think what else it could be, it's only started happening since the ignition coil so it has to be that?