The ornamental for a motorcycleframecover, as shown and described.
FIG. 1 is a perspective view of the invented motorcycle frame cover, showing my new design as attached to a motorcycle and covering the otherwise exposed portion of the motorcycle's frame, the motorcycle being shown in broken lines;
FIG. 2 is an enlarged perspective view of the invented motorcycle frame cover;
FIG. 3 is an enlarged right side view thereof;
FIG. 4 is an enlarged left view thereof;
FIG. 5 is an enlarged top view thereof;
FIG. 6 is an enlarged bottom view thereof;
FIG. 7 is an enlarged front view thereof; and,
FIG. 8 is an enlarged rear view thereof.
The broken lines showing portions of the motorcycle are for illustrative purposes only and form no part of the claimed design.