I've tried to fire up my freshly rebuilt B-20 but so far not so good. I have spark at least sufficient to fire a timing light. Also visual check. There is gas at least to the carb jets. [SU-H6] I just visually set the timing to about 0 deg and tried to start er up. I got absolutely nothing even with some starter fluid until I radically advanced the timing and then just got a couple of good bangs [no exhaust system yet]. I'm pretty sure that the cam is indexed right and I'm also pretty sure that my timing isn't 180 deg off but anything's possible. Can anyone give me a little advice on getting this thing to run? By the way, the cloth covered tubes fron the float bowls to the jets seem to be leaking. Are they normally clamped? I don't recall that the originals were.