How do you clean carburetor if float is sticking on my 07 Yamaha banshee?

Purchase a can of Seafoam Engine Treatment and add 1 ounce per gallon of fuel. Treat it 3 times before giving up. It will work wonders in most cases. Remove the carburetor and manually clean it with a spray cleaner if that does not work. Check the float for a pin hole which will cause it to sink and keep the needle valve open.