Motorcycle

FIG. 1 is a front elevation view of a motorcycle showing our new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front and left side perspective view thereof; and,

FIG. 8 is a rear and right side perspective view thereof.

The light grayed-out portions in FIGS. 1 to 8 , illustrating environmental structure of the claimed design, form no part of the claimed design.