Cowling for an Outboard Motor

FIG. 1 is a front perspective view of a cowling for an outboard motor showing our new design; FIG. 2 is a rear perspective view thereof; FIG. 3 is a side view thereof; FIG. 4 is an opposite side view thereof; FIG. 5 is a front view thereof; FIG. 6 is a rear view thereof; FIG. 7 is a top view thereof; and, FIG. 8 is a bottom view thereof. The broken lines in the drawings illustrate portions of the cowling for an outboard motor that form no part of the claimed design.