Just going through a few things trying to diagnose why my 83 yamaha scooter isnt starting. Ive tried charging the battery with no result other than faint tailight/turnsignals and a working horn. However the charger is pretty old and cant say for sure that it is working properly…Im going to take the battery and charger in to auto zone to test them, but in the mean time ive tried disconnecting the spark plug, grounding it, and kickstarting the engine just to see if it would spark, but it isnt. So…even if the battery is dead, would the plug spark if it was good? (consdiering that there ISNT an issue with a wire connection elsewhere…..)

I know my lawnmowers, but engines with electric systems are a new world for me haha..

Thanks!!