Charging System

[Skip Frey]

I have a 1957 17' runabout with the 131 hp. KFL engine. The electrical system has been changed to 12 volt.

Problem: When the boat is running (even with blower and lights off), the battery discharges at every level of rpms, never getting past the centerline and off well below. When I check the voltages on the generator they show at least 12 volt output, yet the battery is significantly discharged after more than an hour's runtime. Any suggestions?

Thanks, Skip Frey

[drrot]

It should read 13+ volts when charging. I'd pull it off and have it checked.