Pneumatic motorcycle tire

A pneumatic motorcycle tire comprising

• a tread portion having right and left tread edges and provided with a unidirectional tread pattern having an intended tire rotational direction,
• wherein
• a right half tread of the tread portion defined between a tire equator and the right tread edge and a left half tread of the tread portion defined between the tire equator and the left tread edge are each provided with a unit pattern repeatedly arranged in the tire circumferential direction so as to form the unidirectional tread pattern, and
• the unit pattern comprises
• a first oblique groove extending axially outwardly from the tire equator, while inclining to the opposite direction to the intended tire rotational direction,
• a second oblique groove disposed on a heel-side in the intended tire rotational direction of the first oblique groove and extending along the first oblique groove,
• a third oblique groove disposed on the heel-side in the intended tire rotational direction of the second oblique groove and extending along the second oblique groove,
• a fourth oblique groove disposed on the heel-side in the intended tire rotational direction of the third oblique groove and extending along the third oblique groove,
• a straight narrow oblique groove extending from an axially inner end of the first oblique groove to an axially inner end of the fourth oblique groove, while inclining to the intended tire rotational direction, and
• a fifth oblique groove disposed axially inside said straight narrow oblique groove and extending axially inwardly along an extension of an axially inner linear part of the third oblique groove so as to terminate without reaching to the tire equator,
• said second oblique groove has an axially inner end terminated adjacently to said straight narrow oblique groove and not connected thereto,
• said third oblique groove has an axially inner end terminated adjacently to said straight narrow oblique groove and not connected thereto, and
• said fifth oblique groove has an axially outer end terminated adjacently to said straight narrow oblique groove and not connected thereto,
• when a developed axial width of each of the right and left half treads is divided into five equal parts which are a first region, a second region, a third region, a fourth region and a fifth region arranged in this order from the tire equator to the tread edge, said narrow oblique groove extends obliquely from the first region to the second region, and
• said first oblique groove extends axially outwardly to the fifth region.