Alex, as Bruce said the inlet needle does not show much movement,if it did it cause overflooding.The most accurate way to set those type of carburetors is by using a pressure tester. If the lever has not been distorted (bent)at either end (mainly the needle end) once yoy set the lever in the right position,the needle should be set right. The lever should be level with the chamber floor.no higher no lower.To do this, you need a small staight edge or the end of a small metal ruler. Now the most important rule when work on Walbro WA/WT carburetors. WT has a check ball inside so you ["NEVER USE COMPRESSED AIR" to clean it out with. Once you do it will break the check ball loose and the carburetor is permenantly damaged] These carbs are pressurized (also the engine and gas tank) if they can`t hold at least 7psi they will never work properly.Even a pin hole in the fuel line or a gas leak will interfere with the performance and cause hard starting if any at all. thats where a pressure tester comes in. They may be small, but it takes years of experience to "really" know how to work on them. mk.farnam@gateway.net
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