FIG. 1 is a front elevational view of a handle switch for motorcycles showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a front right perspective view thereof; and,
FIG. 8 is a rear left perspective view thereof.
The dark and light grayed surfaces shown on the surface of the design drawings do not represent a color nor a design pattern and only represent shading features on the surface of the ornamental design. The broken lines in the design drawings depict unclaimed subject matter. The unshaded surfaces bounded by broken lines form no part of the claimed design.