It varies from manufacturer to manufacturer, but if you have a feeler gauge, try setting it at 0.011 to start, in a pinch a matchbook cover or business card will get you really close to the appropriate setting.
I set mine at 35 thousands,
That depends on the model/make of lawnmower, but it will always be on top.
35 thousands, of an inch, if its a short base plug , 60 thousands, if its a long base plug,
You can use a standardbusiness card for the gap.
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.
.030"
Tecumseh provides dealers with a 0.012" air gap guage, but 0.010 - 0.014" will do.
0.35
The correct plug gap for my Toro GTS 6.5 horse mower is 0.035
Dist. Points gap is .016" (0.4mm)
.030 for both 2 and 4 cycle
It depends on the type of ignition. probably 32-35 for points type and 45-60 for electronic ignitions.