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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...
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.
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!
The upper throttle bore allows air to flow into the combustion chamber via the stratified scavenging port. This "air only" charge allows for clean exhaust emis- sions by blocking the transfer port's fuel from being swept into the exhaust stream.
Find all the parts you need for your Walbro Small Engine WYJ-204-1 at RepairClinic.com. We have manuals, guides and of course parts for common WYJ-204-1 problems.
