A pneumatic motorcycle tire 1 is provided with a tread pattern having an intended tire rotational direction N. The tread portion 2 is provided on each side of the tire equator C with a unit pattern 9 repeatedly arranged in the tire circumferential direction to form the tread pattern. The unit pattern 9 comprises: a first oblique groove 11 extending axially outwardly from a vicinity of the tire equator C and obliquely, while inclining to the rotational direction N; a second oblique groove 12 disposed on the toe-side in the rotational direction N of the first oblique groove 11 and extending therealong; and a narrow oblique groove 15 extending axially outwardly from the axially inner end of the first oblique groove 11 to the axially inner end of the second oblique groove 12, while inclining to the opposite direction to the rotational direction N.