flashers not working

any one know about t80 electrics my rear indicators flash together but the front ones wont work plus turn signal in head light dont work

Sounds like a bad earth,

but were

Here is a link to the wiring diagram, black wires are earth. https://yamahatownmatet80.forumotion.co.uk/t233-townmate-wiring-diagram
Is this a fault thats just occured or one you have found on a bike that you have just acquired? If its the latter someone may have messed about with the wiring, if its a recent fault then as Admin drgaz says its more likely a bad earth or connection.

the problem was in the head light the black earth wires needed cleaning