The ornamental design for a motorcycle taillight, as shown and described.
The nature and intended use of the article in which the design is embodied comprises a light fixture for attachment to the rear of a motorcycle for signaling motorcycle breaking.
FIG. 1 is a plan view of the article in which the design is embodied.
FIG. 2 is a side elevational view of the article in which the design is embodied; and,
FIG. 3 is a rear elevational view of the article in which the design is embodied.
Any broken-line illustration in the drawing disclosure is not a part of the design sought to be patented.