So I've been working on a ariens 3.5hp 20 in baby 2 stage with the h35. It will idle but if you try to throttle up off idle it falls on its face and dies. Points are adjusted, new spark plug, cleaned carb. I'm down to the Governor link spring being stretched(it is but it shouldn't stop it from reving?) or the condenser maybe? I've worked on more than a couple of these series of motor and got them going but this has me stumped. Thanks in advance.