If the needle is closed all the way no fuel should be passing through it. Because the engine had not been used in 10 years my guess would be that dried fuel/oil is preventing the needle from closing. Try taking the needle out & running a very small wire into the hole several times. A tie wire from a package of bread with the plastic stripped off of the wire will work. Soaking the carb in glow fuel will soften any dried fuel in the carb.