Check all ground system connections, clean battery terminals and tighten. Check wire terminal connections where any plugs together for looseness or corrosion or partially broken or loose ground.
These problems are time consuming to locate, but once found are simple to fix.
SOURCE: battery not holding a charge,
Check the charging rate of your bike, see if its system is charging, if it does charge thn theres somewhere the battery is getting drained out.
In order to see if tht is happenning, switch off everything and thn remove one battery wire on the battery, after doing so try to fix it back and notice if theres any sparks when it comes to the contact of the battery terminal , if so thn theres a drain somewhere in the electricals and wiring.
Good luck.
Knight (Yamaha Seca XJ750A 1981)
SOURCE: while riding all lights started to flash engine run erratic bike died of death bike will not start
Start with charging and load testing the battery. Then test the stator, to test the stator on the bottom of the right down tube is the plug that goes from the stator to the voltage regulator. With a multi meter, read the voltage from the stator, I forget the exact values but as you rev the motor the voltage should climb if it dosn't your stator is bad. If the stator is good take a reading again with the motor running at the battery cables, again I forget the exact value but you should have a steady reading at the battery, if it isn't and fluctuates it is bad.
SOURCE: BIKE STARTED WENT FOR A RIDE,WOULDN'T START AGAIN
Are the electrics still Lucas, the prince of darkness? If so, go thru the whole ignition system, track the circuit to the plugs. It may be as simple as a weak battery, closed points, or funky plugs. Start there, and a bad condenser can stop you, too. I've only seen one bad condenser,but you may have the next. Take the plug out and hold it to the motor and check for spark while spinning the motor. With the other plug out it will spin easier. Check both, if you have two coils.
SOURCE: my bike turns over but won't start
19 Black/red ECU lead (broken or disconnected) A break or disconnection of the black/red lead of the ECU is detected.
SOURCE: vw transporter t4 2.5tdi my speedo jumps
Both Odometer & Fuel gage needs to be replaced, else the potentiometer of both these need to replaced..........sodeep
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