Centrifugal multi-plate friction clutch comprising: a clutch shaft; a clutch housing including a bottom portion and being configured to rotate in a circumferential direction centering on an axial center of the clutch shaft, a plurality of arms extending along an axial direction of the clutch shaft from the bottom portion and provided along the circumferential direction, and a plurality of gaps each formed between the arms that are adjacent to each other along the circumferential direction; centrifugal weights being configured to receive a centrifugal force by rotating with the clutch housing and to move in a direction away from the axial center of the clutch shaft; a cam mechanism (70, 81) being configured to convert the centrifugal force into a force in the axial direction by contacting with the centrifugal weights; a pressure plate being configured to move toward one side in the axial direction by receiving the force in the axial direction to engage the clutch; and a plurality of elastic bodies being arranged in the gaps of the clutch housing, the elastic bodies being configured to urge the pressure plate toward the other side in the axial direction, wherein a clutch boss is attached to the clutch shaft, and the bottom portion of the clutch housing is in a closed-end cylindrical shape surrounding the clutch boss, wherein a plurality of first plates is attached to the clutch boss and is arranged along the axial direction, and a plurality of second plates is attached to the clutch housing and is arranged along the axial direction alternately with the plurality of first plates, and wherein each of the second plates has a plurality of claws extending radially outwardly, and each of the second plates is attached to the clutch housing by fitting the plurality of claws into respective ones of the plurality of gaps, characterized in that support portions, each extending along the circumferential direction and supporting one end of the elastic body, are provided at proximal end portions of some of the plurality of arms, and the support portions are adjacent to the claws of the second plates along the circumferential direction. a clutch shaft; a clutch housing including a bottom portion and being configured to rotate in a circumferential direction centering on an axial center of the clutch shaft, a plurality of arms extending along an axial direction of the clutch shaft from the bottom portion and provided along the circumferential direction, and a plurality of gaps each formed between the arms that are adjacent to each other along the circumferential direction; centrifugal weights being configured to receive a centrifugal force by rotating with the clutch housing and to move in a direction away from the axial center of the clutch shaft; a cam mechanism (70, 81) being configured to convert the centrifugal force into a force in the axial direction by contacting with the centrifugal weights; a pressure plate being configured to move toward one side in the axial direction by receiving the force in the axial direction to engage the clutch; and a plurality of elastic bodies being arranged in the gaps of the clutch housing, the elastic bodies being configured to urge the pressure plate toward the other side in the axial direction, wherein a clutch boss is attached to the clutch shaft, and the bottom portion of the clutch housing is in a closed-end cylindrical shape surrounding the clutch boss, wherein a plurality of first plates is attached to the clutch boss and is arranged along the axial direction, and a plurality of second plates is attached to the clutch housing and is arranged along the axial direction alternately with the plurality of first plates, and wherein each of the second plates has a plurality of claws extending radially outwardly, and each of the second plates is attached to the clutch housing by fitting the plurality of claws into respective ones of the plurality of gaps, characterized in that support portions, each extending along the circumferential direction and supporting one end of the elastic body, are provided at proximal end portions of some of the plurality of arms, and the support portions are adjacent to the claws of the second plates along the circumferential direction.