Some pictures and or video would be a big help...How do you test the orange wire? I have the red and black needle voltage mete. Could you use just single tipped voltage meter on one wire?. I don’t know the names
At the time I had thought the little pipe towards the screws that hold the gas tank down was going to seep out gas... realized later it was an air valve.
I under stand the chain needs to be loose enough to touch the rubber chain guard on the swing arm. My chain guard is super worn in from the last chain and rider. Possible corporate to the weird sound?