Arming yourself with a test lamp made from a 12volt bulb and some flex, Check on the ignition switch for power and chase it through up to your speedo. You will soon find the break.
Good luck.
You need to follow the wiring from your meters to wherever there is a connector.It may not be easy to get to though.I would bet that the connector is loose,corroded(less likely)or disconnected.For everything within the same area on a bike to be bad at once is highly unlikely.If it were the speedo,tach,and odometer,then MAYBE.But your horn doesn't work also.That is why I would say the instrument cluster wiring.The brakes,gas and clutch are all mechanical connections.About all that is left electrically is your electric start(probably equipped with one correct?,and your blinkers).You may have front blinkers but not back ones working too because of the wiring.Rear brake light is separate and is past that section so it should be fine,although it could end up at the same spot,but a more direct route to the relay.If you end up being unable to find a bad connector or at least something,please let me know about the couple of extra electrical components(op or in-op) which were not in your post.Thanks,Greg
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speedometer should be gear driven off the front wheel at least it is on my 81 suzuki gs750E the cable may have snaped or the gear itself may need shimmed or replaced should not be electrically related
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