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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.
The WY has been calibrated and the idle needle preadjusted by WALBRO prior to shipping to our customer. If the idle is in need of adjustment, the following instructions should be adhered to. Special Note: Only adjustments to the outer idle limiter and idle adjustment screw are to be made.
WYJ - Walbro. Metering Lever Spring: Transmits force to metering lever. Inlet Needle: Regulates amount of fuel delivered to the metering chamber. Page 2 WALBRO 25 13 12 14 TRIMMER AND BLOWER CARBURETORS SERVICE MANUAL 18 29 28 14 10 20 24 WYJ 16 Part Name Jet Main Kit series 26 O part Name Body Assembþ/ - Air Purge Bocty Assembly - Pump Ring Packing
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.
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.
Walbro Carburetors - Free download as PDF File (.pdf), Text File (.txt) or read online for free. The document describes several rotary valve diaphragm carburetors made by Walbro for small engines.
