A motorcycle having a body height adjustor (18) in which a body height adjusting unit (15) transmits the hydraulic pressure of a pressure fluid in the rear cushion unit (14) simultaneously to hydraulic jacks of the rear cushion unit and the front suspension units (8,9) to change the lengths of front suspensions and a rear cushion unit and to thereby adjust the body height. The body height adjusting unit is disposed on the side of the body frame remote from the exhaust pipe. A hose connector (19) for connecting the body height adjusting unit (15) and the hydraulic jacks of the front suspensions is disposed at the rear of the front suspension and in front of the body height adjusting unit. The hydraulic hoses (30,16,17) are laid along a line corresponding to the center of the front fork in the widthwise direction. A blow valve (463) incorporated in the body height adjusting unit is opened by the operation of turning OFF the ignition switch (475) to forcibly set the motorcycle body to a lower position. The position of a body height changeover valve incorporated in the body height adjusting unit is detected to indicate the present body height by a body height position indicator, or a see-through window (631) is formed in the casing of the hydrualic jack of the rear cushion unit to enable the rider to confirm the body height.