Modest progress this evening:
Heat riser - had to remove oil canister to verify, but it is stuck. If I am interpreting Denny's pictures correctly, it is stuck in the open position. That kind of shoots my theory. I was thinking it was closed and not allowing fuel mix to warm. I will invest in a propane torch tomorrow to see if I can free it.
Exhaust - after much ado, got the exhaust separated from the manifold. Ran it briefly and that doesn't seem to be an issue.
Running symptoms - more or less the same. Did get it to run briefly a couple times without choke. Have to keep a fair amount of throttle applied to achieve that. Still stumbles and dies no matter what. Acts like its flooding.
Carburetion - can I do something radical with the B float setting or drop to prevent the flooding...temporarily?
Also did some inspection of my spare carb. Its a YF 2101s. Took the airhorn off. It's kinda crusty but might be good enough to try if I can verify the accelerator pump function. Also would have to rig up some sort of choke stove.
Last edited by JW51; 09/04/2015 2:06 AM.
