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The replacement part number is 753-05784. You can also use a Champion RDZ4H spark plug. The correct gap is .025 inches.
Champion RJ19LM. Just remeoved it from my snowblower. Measured gap as .030"
GAP .030"
The spark plug used in the Johnson 200 Ocean Pro is the Champion QL78YC. The proper gap for this plug is 0.030 inches.
factory gap is 0.027" to 0.033"
The L76V is a surface gap plug. There is no measurable gap.
mine takes a Champion RJ19LM. now if I could find out the proper gap ...
what to set gap on j8c spark plug
.025
Champion spark plug RJ19LM is for lawn mowers or similar equipment. The standard gap is .030 inches or 0.76mm.
It depends on the brand of plugs. If you use Champion plugs the gap is .035. You can check gap at Champion plugs or search another brand. Hope this helps. the gap is .035 on any plug you use.
.30