yes.
the magneto
12
totally
No, you can charge it on the mower and you do not have to remove it or disconnect the cables.
12 volt
Mower has a generator, which is turned by the engine. When engine is running, generator produces electricity to charge the storage battery.
price
they can be recharged by hooking jumper cables from a car to the mower or if the battery is fried you would have to buy a new battery for it Use a battery charger just like the one you use on an auto battery.
I assume you are talking about the starter solenoid: Follow the positive battery cable from the battery - the other end will be connected to the starter solenoid.
No, stop charging and replace.
no