Portion of a snowmobile

FIG. 1 is a top plan view showing portions of a snowmobile according to our design, shown with the rest of the snowmobile removed for clarity;

FIG. 2 is a left side elevation view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a front elevation view thereof; and,

FIG. 6 is a front left perspective view thereof shown with the rest of a typical snowmobile (in broken lines).

Throughout the Figures, broken lines showing structure are for illustrative purposes only and form no part of the claimed design. Portions of the snowmobile not shown in the Figures form no part of the claimed design.