It is 0.030" for an L-head engine.
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.
Briggs and Stratton Website THE INTERNET!!!
At a Briggs and stratton dealer.
The spark plug should be gaped at .030"(76mm)
straight 30 or a 10w30
It is probably a Briggs & Stratton engine. You will need to supply the model number from the engine to get a correct gap.
Lawnmower. It's a Briggs & Stratton engine.
Briggs & Stratton
your rings are most likely bad
Briggs has a rudimentary wiring diagram for the operation of an electric start engine. see the link below.
what grade of oil on this engine
SAE 30 weight.