A lamp unit (23) mounted above a front fender (7) for a wheel (6) of a motorcycle includes left and right head lamps (23a, 23b), a single lens member (23d) positioned forwardly of and covering the head lamps (23a, 23b), and a mirror finished body (29) positioned rearwardly of the lens member (23d). The mirror finished body (29) includes a first mirror surface area (29a) aligned with an intermediate portion of the lens member (23d) extending vertically, and left and right second mirror surface areas (29b) continued from the first mirror surface area (29a) extending horizontally along a lower edge of the lens member (23d). The mirror finished body (29) is formed to reflect an image of the fender (7) when viewed either from front or slantwise from front.