.030"
Chanpion RJ19LM
Per Champion spark plug applications chart, the gap for 6hp Tecumseh engine is .030
.030
This is a Tecumseh engine. According to the Tecumseh web site all small engines have a 0.030 gap
rj8 is used for a 7hp Tecumseh that powers a 22" yardman snowthrower
According to my owners manuel the spark plug gap is 30
My book for my John Deere snowblower , which has a 5 horsepower Tecumseh engine , shows to use the Champion RJ17LM spark plug
The spark plug should be gaped at .030"(76mm)
The correct gap for the spark plug of a Briggs and Stratton 6.75 Lawnmower engine 0.030. Most new plugs come with that gap, but it is best to check to make sure.
0.35
I set mine at 35 thousands,
You will need to get the spark plug from the manufacturer. You can find out this information by calling them or looking through the users manual.