.025
GAP .030"
The L76V is a surface gap plug. There is no measurable gap.
Champion spark plug RJ19LM is for lawn mowers or similar equipment. The standard gap is .030 inches or 0.76mm.
what to set gap on j8c spark plug
.30
.30
.30
.040
Harley-Davidson uses .040" gap in their engines using this plug.
Champion Rc12yc...Denso Q16pru-11...NKG BKR4E
the spark plug gap is 0.7 to 0.8 for champion plugs
RJ19LM Champion