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Over the past weekend I had time to work on him again. Installed the new battery, removed the air filter assembly, and checked for any obvious obstruction in the carb. Everything looked normal, so I started him up, and it fired straight off! I let it run for 2-3 minutes at 1/2 choke and everything seemed fine. As soon as I took the choke off the motor died.
I then proceeded to try everything in my powers to try and get it going again. Choke working - Check
Fuel from carb side of pump - Check
Accelerator pump - Check
Float/sight glass - Check
I sprayed carb cleaner to "blow out" any obstructions, let it sit a while and then tried to turn it over...nothing. It would turn over just not fire. This said the only thing I have not checked is that I am indeed getting fire. I will check that tonight. I don't know how it would run perfectly for 4 weeks and then suddenly stop. I'm far from a grade A mechanic, but I can usually sort issues out.
Before I go and rebuild the carb does anyone have any suggestions on what else to check on. Solenoid valve?
Any ideas or suggestions would help.