@ NC3x58
I just did a proper Voltage test on the wire at the 2 pin plug and you can compare your Voltage reading with my readings below:
1. Voltage reading with Ignition Switch at “On†position. = 12.77 Volts.
2. Voltage reading when the Starter button get pressed =. 10.67 Volts.
In my case the voltage drop to 10.67 Volts when the Starter Button get pressed does not cause any problems - there is sufficiant spark to fire up the engine immediately.
This obviously means if you get a Voltage reading of at least 10.67 Volt when the Starter Button get pressed, your battery will be fine - the CDI might be faulty.