| 摘要 |
PROBLEM TO BE SOLVED: To provide a power transmission device of a saddle riding type vehicle, which is improved in assembly workability. ! SOLUTION: A power transmission device 1 of a saddle riding type vehicle according to the invention comprises: a rotating shaft 7; a bevel gear 8; a case 6a having an opening 6d; a bearing 11 which is internally fitted in the case 6a and is situated closer to the opening 6d than the bevel gear 8; a nut 12 which has a male screw 12a formed on the outer peripheral surface and is screwed with a female screw 6h formed in the inner peripheral surface of the case 6a to contact with the outer ring 11a of the bearing 11 at a position closer to the opening 6a than the bearing 11; a cylindrical connection shaft 2 which is externally fitted onto the rotating shaft 7 and contacts with the inner ring 11b of the bearing 11; and an oil seal 13 which is internally fitted in the case 6a to be situated closer to the opening 6d than the nut 12 and seals between the inner peripheral surfac |
