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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.
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...
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.
Find the most common problems that can cause a Walbro Small Engine not to work - and the parts & instructions to fix them. Free repair advice!
13 maj 2012 · My strimmer died with rotted fuel pipes so I replaced them and the primer bulb, cleaned the carb and fuel tank and tried again. Couldn't get the fuel to come through so after much messing with the carb I bought a new one and have the same problem. What happens is.....
Please read the following instructions for correct adjustment of the WYJ at the idle position. WYJ IDLE ADJUSTMENT PROCEDURE (WYJ WITH PLASTIC PLUG) 2.
