The ornamental design for a rearcombinationlamp for motor scooter, as shown and described.
FIG. 1 is a front perspective view of a rear combination lamp for motor scooter showing the present invention.
FIG. 2 is a front perspective view thereof.
FIG. 3 is a front elevation view thereof.
FIG. 4 is a right side elevation view thereof.
FIG. 5 is a left side elevation view thereof.
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The portions of the rear combination lamp for motor scooter shown in broken lines illustrate environmental subject matter only and form no part of the claimed design.