In a chonda with crap fuel yep haha
In fairness, what I have normally found is the main jet clogs after the smallest holes in the emulsion tube. So what happens first is you get rough running, surging, stuttering. Then if you leave it longer the jet clogs.
Now most people will clear the main jet alright, but forget about the emulsion tube. So they will usually get it back working - will run rough because it can't blend the fuel with the air as efficiently.
I reckon of the 50+ people I have helped with Chonda carbs who sort of knew what they were doing only 10 had the emulsion tube out or knew about it.
By the way - don't try to get one out of a Quantum - they are fixed in. I don't know if you can even call them emulsion tubes on quantums as the fuel doesn't really disperse until it hits the throttle butterfly - very cheap
