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Post by xl924dude on Aug 14, 2022 18:14:26 GMT -5
I have a Homelite XL-924 that I can’t get to idle and keep running!
Here is what I know: -It has spark + brand new spark plug adjusted with the correct gap -145 psi -Exhaust baffle has been grinded and is free of any build up -Brand new fuel lines. Carb is pulling gas. Running 32:1?? -Brand new Tillotson carb
At first I installed a carb kit on the original carb but that did not work or change any thing. I purchased an OEM Tillotson carb meant for a XL-925, installed it and now it starts but does not idle. After pulling the cord it goes high up in the revs for about 5-10 seconds then dies. I’m at 1 1/4 turns out for the High / Low jet. The carb pulls gas.
What could it be? What am I missing or not looking at?
Cheers!!
Will post video soon
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Post by ronaldt on Aug 14, 2022 18:54:29 GMT -5
I assume you changed the fuel filter?
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Post by edju1958 on Aug 14, 2022 19:03:19 GMT -5
Is the 924 a points saw or electronic ignition?If a points saw the points might need to be cleaned & regapperd.
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alec
Gots Tree Cred
Posts: 37
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Post by alec on Aug 15, 2022 11:30:10 GMT -5
Those 925 carbs are usually only out like 1/2 a turn. Was the 925 a new carb or a used one ?
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Post by onlyhomelites on Aug 16, 2022 23:06:36 GMT -5
The fact that it revs and then dies implies that it's leaning out. That can only be caused by an interruption in the fuel flow or a vacuum leak. With a new carburetor, it's not likely an internal issue, but it would be worth your time to pull the top cover and make sure the fuel screen is clear of debris. Some new fuel filters can shed material that will plug up the screen quickly.
It's also worth inspecting your intake manifold for cracks. It's very common for the carburetor to have been overtightened which can cause a large crack in the threaded insert area. If that looks good, I'd pressure test the crankcase. The symptoms you describe are a bit extreme for a bad crank seal...I'd bet on a bad ignition backplate o-ring or a blown cylinder gasket.
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