Craftsman lt 3000 20 hp briggs and Stratton sat in storage 4 yrs. cylinder fills with gas when sitting over night.when I clean it out it will run but has surge with a miss???
As a guess carby float needle and seat stuck from sitting, Remove bowl type section from undercarby, may be able to free with a wiggle of exposed float as float operates needle ,, if not easy to remove, wiggle it and look at it from all directions to try to get a good understanding of how it works before pulling it apart
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As a guess carby float needle and seat stuck from sitting,
Remove bowl type section from undercarby, may be able to free with a wiggle of exposed float as float operates needle ,, if not easy to remove, wiggle it and look at it from all directions to try to get a good understanding of how it works before pulling it apart