Just changed plugs on my 1999 aurora and the gap was .05. It stopped a hesitation at idle too!
the spark plug gap is .40
The correct spark plug gap is 40 thousands on a stock harley plug
.40 gap
spark plug gap is 1.04 mm or .40 inch
what is the spark plug jd 175 hydro
.35 to .40
.38 to .40
.40
40
.40
.030 gap
35 to 40 percent gap