1 Answer

Follow the instructions until the engine runs smooth. 

Instructions
1
Locate the adjustment screw on your Tecumseh engine. It should be on the side of the barrel of your carburetor.

2
Turn the adjustment screw clockwise until the needle valve is closed and seated at the bottom. Make sure you do not overtighten or you will damage the valve.

3
Turn the adjustment screw counterclockwise 1 1/2 turns.

4
Turn the engine on and let it warm up about five minutes.

5
Turn the adjustment screw clockwise until the engine is just about to die.

6
Turn the adjustment screw counterclockwise until the engine is about to stall out from too much fuel.

7
Turn the adjustment screw back clockwise to the midpoint between too little fuel and too much fuel.

Read more: How to Adjust a Tecumseh Carburetor | eHow.com http://www.ehow.com/how_4841840_adjust-tecumseh-carburetor.html#ixzz222ijMVhm