85hp thunderbolt ser.# 4095472 has 16 to 18 volts output I replaced the rectifier but didnt help. mechcanics wont work on it do to the distribitor, could the stator be the problem? can it be ohmed out?
Make sure all your battery cable connections are clean and tight. Be sure you are using a marine battery and not a car battery. I've heard tell of some people using This with success.