No fuel delivery is a carb or pulse problem...If you have done everything else you might look at the crank seals, a leak there will cause a weak or no pulse, and no fuel flow.....
I just had an old Q35 here, so old it came in the original box with the original price, $85.00...
It was a points ignition type..I rebuilt the carb and put a G38 ignition coil on it...Ran like a top, hand started very easily...Old Q35s never die...
All Q35s descended from a chainsaw..My neighbor has 2 of these, at least 30 years old..Only difference I can see is the saw engine has the spark plug coming straight out on the front, about 2 inches from the ignition coil...He still uses the saws....