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WYJ IDLE ADJUSTMENT PROCEDURE (WYJ WITH IDLE SCREW) 1. Start engine and place throttle in the idle position. 2. The black idle needle is preset to a I turn open setting. Adjust this needle to a good optimum idle setting. 3. Repeat step 6. and shut off engine. NOTE. Do not attempt to adjust the inner idle needle.
All manual are in pdf format - Chainsaw Carburetors & Trimmer and Blower Carburetors.
When the bulb is released a vacuum is created, which pulls an inlet disc against a spring to allow air from the metering chamber to enter. This procedure must be repeated until the bulb fills with fuel and drains through the outlet fitting, signifying the metering System is free of air.
Walbro WYJ Carburetor Manual. Barrett Small Engine. 296 subscribers. 128 views 1 month ago. ...more. For repair and rebuild of Walbro WYJ carburetors use K20-WYJ complete rebuild kit or...
Walbro WYJ Carburetor Manual and Parts List to assist in the correct identification, repair and service of all Walbro WYJ series carburetors. View free online images or download the full pdf with diagrams and clear information.
7 lut 2016 · Seen several carbs where the new kit does not have the forked metering lever w/ captured diaphragm and vice versa. My guess is a diaphragm kit was installed. I try to keep the captured diaphragm with the forked lever and the plain lever with the button metering diaphragm, no mix/match.
The WYJ carburetor has two idle adjustment design options. Option allows for the inner idle needle to be adjusted and a white plast'c cap placed on top to conceal the needle.
