WebIdle Screw/Butterfly: When the trigger is released, this butterfly valve controls the amount of air-fuel mixture that enters the engine. If the valve adjustment is too low, the valve inhibits the flow of air and fuel, causing the engine to shut down as soon as the throttle is … WebThe version of the Instruction Manual that you are about to download has been specifically prepared for STIHL products sold in the United States. Portions of this manual may not be …
Stihl 025 Chainsaw (025) Parts Diagram, Carburetor C1Q-S11G
WebSep 24, 2024 · The LA screw is not set by a number of turns in or out- most Stihl manuals will list a certain RPM (set via tachometer) to set the screw for (pre the RPM needed to engage the clutch) then tune the low circuit and return to fine tune the LA to a point where the chain stops rotating. Last edited: Sep 20, 2024. B. WebMost chainsaw models have three screws adjustable screws: one to adjust its high speed, another for low speed, and the third for adjusting the idle or throttle. These screws manage how the throttle valve remains open once the trigger is discharged. If adjusted to the low speed, the engine will cease to function upon release of the throttle. mining sector
How To Adjust A Stihl Chainsaw Carburetor - Chainsaw Workshop Man…
WebJul 2, 2024 · First lightly seat both mixture screws. – Open the high speed screw H 3 1/2 turns counterclockwise. – Open the low speed screw L 1 1/4 turns counterclockwise. Start the engine and warm it up at varying speeds for 1 minute – if necessary, turn the idle speed screw (LA) slowly clockwise until the engine runs smoothly – the attachment must ... WebDec 24, 2024 · To adjust a Stihl chainsaw carburetor, you’ll need to use a screwdriver to turn the low, high, or idle speed adjustment screws. First, you’ll need to clean the air filter. … WebApr 25, 2024 · Adjustment starts with screw L. The screw rotates to the right and to the left until it is found in such a position that the idle speed does not become the highest. Then the screw is turned ¼ turn counterclockwise. This will be his working position. Idling must be adjusted by turning counterclockwise to increase the speed and clockwise to decrease. mining sector in rwanda