Spark Plug gap for Yardman 6.1/2 hp mower?

Can anyone tell me at what measurement the gap should be set on the spark plug for a Yardman 6 1/2 hp 21" cut self-propeled mower?
Terry Greer, April 2007


done
If its a champion J19LM its .30 Or if its a RN11yc or RN12yc. i make the gap .25

ASE mechanic, April 2007
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