If computer gods smile. You will seePlug/play regulator as sold by Pt. Frt/backVarious photos attempting to show the little gold fuel filter that is located to left of silver block fuel pump on...
Ours was and it is an easy switch out. Our generator was reading 163 on leg 1 and 105 on leg 2. Not good! Good luck with your diagnosis!
First "suspect" is a bad neutral connection.Please let us know the actual cause.
Doesn't your generator pull out?