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