Question about Husqvarna Lawn Tractor - 54in. Deck, 26 HP, Model# LGT2654
3 year old YTH2148 has had problems since 1st year; backfires, sputters unless choke is wide open, dies when the blades are engaged; less than 50 hours on the machine. have cleaned & rebuilt carb at least once per year; twice this year & it is still having problems. have changed all filters & plugs. continues to get nasty fuel residue and won't run. any suggestions?
Does it have a fuel pump or is it gravity fed? If gravity fed, when you rebuilt the carb, did you make sure that the main (power) jet orifice was totally clean? No varnish or residue in the hole. Pressurized air or carb cleaner spray into the jet is a good way to test flow restrictions. It sounds like a clogged main jet or a vacuum leak at the carb to manifold gasket. You might want to flush the gas tank and replace the gas cap also, as evaporating fuel over time will leave behind varnish deposits if the cap doesn't seal, even though it is a vented cap.
Posted on Jul 31, 2009
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Posted on Jan 02, 2017
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