STEPPED AUTOMATIC TRANSMISSION FOR SADDLE RIDING TYPE VEHICLE, POWER UNIT WITH THE STEPPED AUTOMATIC TRANSMISSION, AND STRADDLE RIDING TYPE VEHICLE WITH THE POWER UNIT

摘要

PROBLEM TO BE SOLVED: To provide a stepped automatic transmission having high energy transmission efficiency.

SOLUTION: A first rotating shaft-side oil path 145a and a second rotating shaft-side oil path 146a are formed in a rotating shaft 54. The first rotating shaft-side oil path 145a extends from a right end section of the rotating shaft 54 toward the left side. The first rotating shaft-side oil path 145a is connected to an operation chamber 133 of a first hydraulic clutch 66. The second rotating shaft-side oil path 146a extends from a left end section of the rotating shaft 54 toward the right side. The second rotating shaft-side oil path 146a is connected to an operation chamber 137 of a second hydraulic clutch 70.

COPYRIGHT: (C)2009,JPO&INPIT