73 wiring concerns

mjc

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I have a 1973 cb750 that has lift me stranded a couple times now. I know it has fuel(dropped bowl to check). It wouldn't start flipped kill switch a few times and it started but had no power. So what is mininum voltage needed for coils to work? I worked with the wiring today and I seem to be losing a little voltage at every connection. battery 12.51 key switch 11.4 and 10.5 at the coils. Kill switch only has .3 ohms across it. What else am I missing?
 
So what you are saying is that you turned it off and then no start. Then after flipping the kill switch a few times it started. My first thought is why did you have to flip the switch a few times. The switch should of had contact on the first flip, if not then you have a bad connection at the switch. What's the voltage reading with the bike running?
 
So what you are saying is that you turned it off and then no start. Then after flipping the kill switch a few times it started. My first thought is why did you have to flip the switch a few times. The switch should of had contact on the first flip, if not then you have a bad connection at the switch. What's the voltage reading with the bike running?
no it just dies not instantly but big lose of power and won't restart if it does it has no power to move but maybe will eventually will rev but in gear it just dies. the next day it will all be fine for awhile. I went to one show saturday fine sunday got a mile from home it dies. Going to take my electrical diag tools with me and ride until it happens so I can check voltages immedialy .
 
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