Tecumseh provides dealers with a 0.012" air gap guage, but 0.010 - 0.014" will do.
The plug gap for a 5.5 hp Tecumseh is .030 in.
.030 inch ( on my 24 year old 5.0 horsepower Tecumseh engine )
This is a Tecumseh engine. According to the Tecumseh web site all small engines have a 0.030 gap
Champion RN4C - Gap .030"
Tecumseh website, "All spark plugs air gap is .030."
The correct spark plug gap for a 4 hp Tecumseh engine is typically between 0.020 to 0.030 inches (0.5 to 0.76 mm). It's always advisable to consult the engine's manual for specific recommendations, as the gap can vary slightly depending on the model. Adjust the gap as needed using a feeler gauge for accurate measurement.
Use a Champion RJ19LM set to a 0.030" gap.
go to B&S site they have all gap setting for every engine they have made.
.030 in. or .076 mm gap
The gap should be about .0125 in. (.3175 mm.) or the thickness of heavy paper.
Oh, dude, the spark plug gap for a Tecumseh 3.5 HP Engine is typically around 0.030 inches. But hey, if you're not feeling up to measuring it with a feeler gauge, just eyeball it and hope for the best, right? Like, who needs precision when you've got that casual, carefree attitude?