Plug gap for the Sportster 883 or 1200 should be .040
Saw online the gap is .040
.028 to .035 according to spark plug brand.
.40mm is the recommended gap
.04
The gap setting is 0.034 to 0.037.
35 on the gap gauge
.040
.038-.042
.040".
The spark plug gap for a 1999 H-D (Harley Davidson) is .032 to .036. The actual gap depends on the brand of spark plugs.
The recommended spark plug gap is .044"
Manual says .038 - .043