Swingarm supporting structure for motorcycle

摘要

To provide a swingarm supporting structure which can prevent rigidity of a case from becoming excessive and which can improve a degree of freedom of design. The swingarm supporting structure comprises: a case (3) in which a power unit is stored; and a bracket (4) for freely pivotally supporting a swingarm (5) up and down through a pivot shaft (10), the swingarm (5) supporting a wheel axle, wherein the bracket (4) is detachably fixed to the case (3) from a fixed direction (DF) intersecting the pivot shaft (10).