The head lamp or head lamps upon every motorcycle, motor-driven cycle and moped may be of the single-beam or multiple-beam type, but in either event shall comply with the requirements and limitations as follows.
(a) Every such head lamp or head lamps shall be of sufficient intensity to reveal a person or a vehicle at a distance of not less than 100 feet when the motorcycle, motor-driven cycle or moped is operated at any speed less than 25 mph and at a distance of not less than 200 feet when it is operated at a speed of 25 or more mph.
(b) In the event the motorcycle, motor-driven cycle or moped is equipped with a multiple-beam type head lamp or head lamps, the upper beam shall meet the minimum requirements set forth above and shall not exceed the limitations set forth in § 345.12(a) of this article and the lowermost beam shall meet the requirements applicable to a lowermost distribution of light as set forth in § 345.12(b) of this article.
(c) In the event the motorcycle, motor-driven cycle or moped is equipped with a single-beam lamp or lamps such lamp or lamps shall be so aimed that when the vehicle is loaded none of the high-intensity portion of light, at a distance of 25 feet ahead, shall project higher than the level of the center of the lamp from which it comes.
(W.Va. Code § 17C-15-23)