Scott, my 1991 model has never generated anywhere near 14 VDC. The last time I tested it was 2 or 3 years ago and the highest voltage I got between 2-5k rpm was between 12.5-13.0 VDC or so. IIRC the highest voltage occurred at 3k rpm and dropped by 0.1-0.2 VDC as rpms rose to 4k-5k rpm.
Not sure how to explain that anomaly.
BTW it runs perfectly from that time until today..
I have never checked the three yellow stator lines for AC voltage, so can't help you there. I seem to remember someone 3 or 4 years ago reporting AC voltages as high as the low 70s, but do not recall if that was considered excessive or normal.
Having the DC voltage start at 13.2 at 2k rpm and rise steadily to the mid 14s at 4-5k rpms is a perfect world occurrence.
Not sure how often it happens in reality.
If I have time tomorrow, I will check charging voltages again to confirm what the scoot is doing now.
EDIT: Just found paper bookmark in Clymer manual with results of voltage test done Sept 18, (no year marked down).
Engine OFF 12 v
Engine started on full choke, 1500rpm- 12.5-13v
Idle, choke off--rpm unknown--12.85 v
3k rpm--12.78 v
4k rpm--12.75 v
6krpm -- not recorded
Results are close to what I remembered.