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Post by labradorguy on Aug 17, 2016 13:55:57 GMT -6
Can someone help I have, I have an 86 454 ltd, was running good for a while but now it's hard to start and when I run it it will stall. It starts to back fire and then the engine cuts out like it's not getting any fuel. I have put a new fuel tap on still no luck.
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Post by jdarryl on Aug 18, 2016 15:46:17 GMT -6
Are the carbs in good condition ? How do they look inside ?
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Post by xsable on Sept 19, 2016 12:18:11 GMT -6
Carburetor is dirty for sure. Especially if it started off out of the blue like that. Was it out in the rain at all? Every once in a while if i happen to leave it out for a long rain it will gum up the needles or cause the floats to stick a bit and cause idling issues, either too high or too low plus the air/fuel mixture is all over the place. I would drain the bowls (at the bottom of the carbs) and maybe tap them lightly on the sides with a plastic/rubber mallet, sometimes its just a bit sticking, which will help in a bandaid way but when you get some time the carbs need a good cleaning. There are people on here that are more experienced with these than i am but this is what i have found to be true so far anyway. Hope that helps.
oh and do a valve adjustment when you can, this fixes a LOT of issues from what I have read and doesn't seem too difficult to do yourself.
edit: if you ever remove the tank from the carb you need to run it with the choke on to get the fuel flowing again, it starts the vacuum process.. i had to learn this the hard way myself. don't get covered in gas trying to get it out! hehe
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