Here's low down I have a 71 650 running point stock stuff checks out to spec bought a. Regulator/rectifier from tc bros part #108-0008 have a brand new antigravity battery 12 volt 8 cell the battery check in at 13.5 volt done wiring for lights switch an key switch put new regulator / rectifier on don't thank it's charging call tc bro the said if it running above 13 volts it charging . When I got to shop to day battery tested 13.19 rode about 10 miles no headlight on just tail light got back it tested 13.06 I'm lost does it charge that little looked on electro sport .com they r the manufacture of it they say it should b 14.5 is that in a perfect world don't know just want to ride not walk thanks