The ornamental design for a seatcowl for motorcycle, as shown and described.
FIG. 1 is a perspective view from the front side of a seat cowl for motorcycle.
FIG. 2 is a perspective view from the rear side thereof.
FIG. 3 is a perspective view from the front side thereof.
FIG. 4 is a perspective view from the rear side thereof.
FIG. 5 is a front elevation view thereof.
FIG. 6 is a rear elevation view thereof.
FIG. 7 is a top plan view thereof.
FIG. 8 is a bottom plan thereof.
FIG. 9 is a right side elevation view thereof.
FIG. 10 is a left side elevation view thereof; and,
FIG. 11 is a view showing the seat cowl for motorcycle in position of use.
The portions of the seat cowl for a motorcycle and portions of a motorcycle shown in broken lines are for the purpose of showing environmental structure only and form no part of the claimed design.