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Carb. idle screws are set so thew vehicle idles they are not set at a specific number of turns. With the screw turned out but still in the carb start the vehicle. Let it warm up then turn the screw in until the engine will just idle. There are other adjustments that may assist are to the pilot fuel/air screw. This should be screwed all the way in until it lightly bottoms then turned out 2 turns to start. Once the bike is idling per above turning this screw until it idles at the highest point. This should be between 2 and 3 turns out. Readjust the idle screw to the lower idle if needed and you will be ready to go.
To rotate as it turns screws
The optimal setting for a pilot screw on almost any bike is one and one half full turns out from the closed position.
Use the proper type screw driver to match the screw heads and turn counter clockwise. For you digital people out there that do not have a watch with hands, the top of the screw head turns left.
turn both screws in until they bottom out,then back both screws out 3 turns,may have to adjust each screw seperatly until it reaches the smoothest idle.
Divide the threaded length by the lead length. For single threaded screws the lead is the same as the pitch.
There are two screws on the front of carb under nameplate. Turn both screw in (clockwise) until they stop. Now turn each screw out 4 1/2 half turns. This is facory and if you make adjustments make sure you adjust each screw equal amounts to keep equal fuel to both sides of engine.
Should have no screws since turns with wheel. If you mean studs-they don't have heads.
Lead screws (always pronounced "LEED," as in the present tense of the verb "to lead") are used in mechanical transmission systems to convert rotary motion to controlled linear motion. A common example is in the machinist's screw-cutting lathe. Here a motor turns the lathe's headstock to rotate the piece being machined. A train of gears connected to the headstock turns the lead screw which is usually as long as the entire lathe. As the lead screw turns it propels the cutting tool along the workpiece at a rate directly linked to the rotation of the headstock.
NO, a screwdriver is what turns the screw.
The pilot screw setting should be screwed in until it is snug (not tight), then backed out 1 and 3/4 turns.
It should be approximately 2.25 turns out from fully screwed in.