Rear portion structure of saddle-ride type vehicle

A rear portion structure of a saddle-ride type vehicle (1) including:

• seat frames (2c) extending rearward and upward toward a rear side of the vehicle from a rear portion of a main frame (2b);
• a riding seat (7) supported on the seat frames (2c) and having a rider's seat (7f) and a pillion's seat (7r) disposed behind the rider's seat (7f);
• and
• a rear cowl (10) covering the seat frames (2c) and a storing space (SP) formed below the riding seat (7),
• wherein the rear cowl (10) is formed such that an upper cowl (10u) and a lower cowl (10d) are vertically assembled to each other by a vertical connecting portion (10b) which extends along the seat frames (2c),
• wherein an upper connecting portion (11w) is formed on an outer periphery of the upper cowl (10u) to extend over a lateral width of the upper cowl (10u), a lower connecting portion (13w) is formed on an outer periphery of the lower cowl (10d) to extend over a lateral width of the lower cowl (10d), and each of the upper connecting portion (11w) and the lower connecting portion (13) has a flat surface portion (11ws, 13ws), and
• wherein an angle made by the flat surface portion (11ws) of the upper connecting portion (11w) and the flat surface portion (13ws) of the lower connecting portion (13w), which are connected to each other via the vertical connecting portion (10b), is set to an acute angle.