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Post by dani9370 on Aug 23, 2022 20:21:49 GMT -5
Hey new to house of homelite. Hoping somebody here can point me in the right direction. Just got a new to me XL76 that wont seem to stay running. I checked for spark a few times and always seem to have it. Waiting on a carb kit but I did soak it in the magic seafoam mix, and the diaphragms are fairly soft. I Can see that there was fuel pulled into the fuel line after I had the carb off after one pull. Normally starts after the second or third pull. Runs well and all the sudden dies after about 15 seconds. I have swapped coils/modules from another saw to see if there is a difference. Same problem. I've tried adjusting the mixture and if its running rich or lean it will still die in the same amount of time. Haven't put a compression gauge on the saw yet but it does feel like there's lots there. Hope I'm missing something basic here, but any help would be great Thanks
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Post by w30bob on Aug 23, 2022 21:59:32 GMT -5
Hi dani, Sounds like your fuel cap vent is blocked. If so, the carb can't pull fuel from the vacuum you're creating in the fuel tank, and it takes a little bit before you build enough vacuum in the tank to make her quit. Try running it with the fuel cap off and if it doesn't die........you found your problem. ) bob
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Post by onlyhomelites on Aug 23, 2022 22:04:37 GMT -5
Welcome to HOH!
It sounds like a fuel starvation issue...I'd check the fuel filter, carburetor inlet screen, carburetor fuel barb (they can plug with varnish) and check the passage between the carburetor inlet screen and the fuel inlet needle. Does it start to rev a bit when it dies, like it's starving for fuel or does it sound like it's flooding out?
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Post by dani9370 on Aug 24, 2022 5:44:27 GMT -5
thanks for the quick reply. bob I don't think that's the problem because the fuel line doesn't seal on the tank. Makes a hell of a mess if you forget about it, but there's no way that tanks holding vacuum. Ill get that fixed up after I know this things gonna run lol. Onlyhomelites I was wondering about the filter as well, I will check all this tonight. Also I dont think it would cause this problem but I was reading another fellas thread and he was saying about setting the coil to flywheel gap to .004 to .008 on these saws. I set it to .015. Thanks again Dan
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Post by dani9370 on Aug 24, 2022 22:28:22 GMT -5
Tried adjusting the coil gap. and ran it off a fuel line right to a gas can tonight. Problem solved. Course when I hooked it back up to the line in the tank it ran just as good. Thinking maybe something broke up in the inlet side of the carb like you were thinking. Still waiting on a carb kit to come but nice to know it runs. gonna change the fuel filter at the same time. Thanks !
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