Motorcycle having body height adjusting mechanism

A motorcycle having a body adjustable in height of the type maintaining a standing condition thereof by standing a sidestand, comprising:

• a pair of extendable front suspensions mounted to a front fork supported by a frame of a motorcycle body, said front fork supporting a front wheel in a shock absorbing manner;
• an extendable rear cushion unit supported by the body frame, said rear cushion unit supporting a rear wheel in a shock absorbing manner;
• an engine unit mounted to the body frame to drive and rotate the rear wheel;
• and
• a body height adjustor for adjusting the body height of the motorcycle by changing lengths of said front suspensions and said rear cushion unit, said body height adjustor including,
• first hydraulic jack means for extending and retracting said front suspensions;
• second hydraulic jack means for extending and retracting said rear cushion unit;
• and
• a body height adjusting unit for transmitting hydraulic pressure of hydraulic fluid in said rear cushion unit to said first and second hydraulic jack means through hydraulic hoses, said body height adjusting unit including a body height changeover valve means including a rotary valve and blow valve means operatively connected to said rotary valve and operated to be opened by increase of pressure in said hydraulic jack means and said hydraulic hoses, said blow valve means also being opened by operation of the sidestand.

A motorcycle having a body adjustable in height, comprising:

• a pair of extendable front suspensions mounted to a front fork supported by a frame of a motorcycle body, said front fork supporting a front wheel in a shock absorbing manner and an upper bracket being mounted to said front fork;
• an extendable rear cushion unit supported by the body frame, said rear cushion unit supporting a rear wheel in a shock absorbing manner;
• an engine unit mounted to the body frame to drive and rotate the rear wheel;
• and
• a body height adjustor for adjusting the body height of the motorcycle by changing lengths of said front suspensions and said rear cushion unit, said body height adjustor including,
• first hydraulic jack means for extending and retracting said front suspensions;
• second hydraulic jack means for extending and retracting said rear cushion unit;
• and
• a body height adjusting unit for transmitting hydraulic pressure of hydraulic fluid in said rear cushion unit to said first and second hydraulic jack means through hydraulic hoses, said upper bracket being provided with front suspension support portions having slits each having a width sufficient for passing therethrough one of said hydraulic hoses.