Harness support structure of motorcycle

1. A motorcycle comprising:

a handle;

a top bridge to which the handle is fitted;

cable members having one end connected to the handle;

a cable bracket configured to fix a portion of the cable members that are each connected at a different respective end of the handle and supported by the top bridge;

an instrument bracket configured to support an instrument disposed forwardly of a vehicle body and fitted to the cable bracket;

a pair of holding portions are configured to respectively hold an intermediate portion of the cable members fixed to the cable bracket;

a regulating portion provided in at least one of the cable bracket and the instrument bracket at a position further from the handle than from the holding portions and operable to inhibit a forward movement of the cable member in a front traveling direction of the motorcycle wherein the cable bracket includes a bracket main body connected with the top bridge;

a projecting piece protruding from the bracket main body and a grommet member engaged by the projecting piece and made of an elastic material; and

the cable member is held by the grommet member at a location closer to the handle than to the holding portion.

2. The motorcycle as claimed in claim 1 , in which:

the cable member is passed through an opening formed by the cable bracket and the instrument bracket and oriented in a vertical direction; and

the instrument bracket forms the regulating portion.

3. The motorcycle as claimed in claim 1 , in which one of the holding portions is provided on a left side and the other holding portion on the right side with respect to a vehicle widthwise center line,

the cable members from a right handle bar of the handle is held by the right side holding portion, and

the cable members from a left handle bar of the handle is held by the left side holding portion.

4. The motorcycle as claimed in claim 1 , in which the instrument comprises a headlamp.

5. A motorcycle, wherein:

a top bridge is connected for movement with a handle for steering the motorcycle, the top bridge having a cable bracket with a guide segment extending upward towards the handle and forming projection pieces on the guide segment adjacent the handle for supporting one or more cables that are attached to the handle;

a grommet member is attached to the projection pieces for securing the one or more cables; and

the grommet member is made of an elastic member for fastening to the projection pieces.

6. The motorcycle of claim 5 , wherein an instrument bracket is secured to the cable bracket and extends outward from the cable bracket with a pair of engagement projections for supporting a head lamp and an electric power source circuit unit mounted in an elastic material box.