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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. fuel pump, metering system and into the primer bulb. Once the primer bulb is at least 1/4 filled with fuel, the engine is ready for the choke position and the engine can be started,
WYJ - Walbro. Adjust the idle speed screw to the correct idle RPM. Check idle, progression and wide open throttle, shut off engine. Reinstall the white plastic plug, 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.
View free online images or download the full Walbro WYJ Carburetor Manual PDF which can be printed or saved on any suitable device using a PDF reader. Clear diagrams and information to help in parts ordering or repair of this Walbro WYJ series carburetor.
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.
