A saddle type vehicle comprising: a vehicle body frame supporting a power source; a seat mounted on the vehicle body frame; a steering handle provided forward of the seat; a right grip section and a left grip section which are provided at a right end portion and a left end portion of the steering handle in a vehicle left/right direction, respectively; a display unit which is provided forward of the seat in a vehicle forward/rearward direction and between the right grip section and the left grip section in the vehicle left/right direction, and includes a display surface; an operation unit which is supported by the steering handle, is configured to be operable by a hand gripping one of the right grip section and the left grip section, and is electrically connected to the display unit; a vehicle characteristic change controller with which one of a first vehicle characteristic and a second vehicle characteristic, which are different from each other, is selectable in accordance with the content of an operation of the operation unit, and for each of the first vehicle characteristic and the second vehicle characteristic, switching between a state in which a change to another characteristic state is possible and a state in which the change is not possible is performed based on a state of at least one of a vehicle and a rider; a state obtaining unit (100, 70) configured to obtain the state of at least one of the vehicle and the rider; and a determination controller configured to determine whether each of the first vehicle characteristic and the second vehicle characteristic is changeable to another characteristic state based on the state obtained by the state obtaining unit (100, 70), characterized in that, based on a result of determination by the determination controller, the display unit is configured to display, on the display surface, a first vehicle characteristic icon indicating the first vehicle characteristic and a second vehicle characteristic icon indicating the second vehicle characteristic in such a way that, an icon of a vehicle characteristic which is currently selected and is changeable to another characteristic state is in a first aspect, an icon of a vehicle characteristic which is currently selected and is not changeable to another characteristic state is in a second aspect different from the first aspect, and an icon of a vehicle characteristic which is not currently selected is in a third aspect which is different from both the first aspect and the second aspect, and switching between the first aspect, the second aspect, and the third aspect occurs while the vehicle is running. a vehicle body frame supporting a power source; a seat mounted on the vehicle body frame; a steering handle provided forward of the seat; a right grip section and a left grip section which are provided at a right end portion and a left end portion of the steering handle in a vehicle left/right direction, respectively; a display unit which is provided forward of the seat in a vehicle forward/rearward direction and between the right grip section and the left grip section in the vehicle left/right direction, and includes a display surface; an operation unit which is supported by the steering handle, is configured to be operable by a hand gripping one of the right grip section and the left grip section, and is electrically connected to the display unit; a vehicle characteristic change controller with which one of a first vehicle characteristic and a second vehicle characteristic, which are different from each other, is selectable in accordance with the content of an operation of the operation unit, and for each of the first vehicle characteristic and the second vehicle characteristic, switching between a state in which a change to another characteristic state is possible and a state in which the change is not possible is performed based on a state of at least one of a vehicle and a rider; a state obtaining unit (100, 70) configured to obtain the state of at least one of the vehicle and the rider; and a determination controller configured to determine whether each of the first vehicle characteristic and the second vehicle characteristic is changeable to another characteristic state based on the state obtained by the state obtaining unit (100, 70),