Motorcycle rear trunk unit

FIG. 1 is a side elevation view of a motorcycle rear trunk unit showing my new design, it being understood that the broken lines are for illustrative purposes only and form no part of the claimed design;

FIG. 2 is an enlarged right rear oblique perspective view thereof;

FIG. 3 is an enlarged left rear oblique perspective view thereof;

FIG. 4 is an enlarged left side elevation view thereof;

FIG. 5 is an enlarged right side elevation view thereof;

FIG. 6 is an enlarged rear elevation view thereof;

FIG. 7 is an enlarged front elevation view thereof.

FIG. 8 is an enlarged top plan view thereof;

FIG. 9 is a right rear oblique perspective view of a motorcycle rear trunk unit showing a second embodiment of my new design;

FIG. 10 is a left side elevation view of FIG. 9;

FIG. 11 is a rear elevation view of FIG. 9;

FIG. 12 is a front elevation view of FIG. 9;

FIG. 13 is a top plan view of FIG. 9;

FIG. 14 is a right rear oblique perspective view of a motorcycle rear trunk unit showing a third embodiment of my new design;

FIG. 15 is a left side elevation view of FIG. 14;

FIG. 16 is a rear elevation view of FIG. 14;

FIG. 17 is a front elevation view of FIG. 14; and

FIG. 18 is a top plan view of FIG. 14.