140hp Evinrude Charging promblem

[GThomp]

I have 1989 140hp evinrude and it doesn't seem to be charging or I should say it seems to be charging low. 12.2 volts @ 1500 rpm and doesnt change when rpm go up. Any ideas
greg

 

[Silvertip]

Re: 140hp Evinrude Charging promblem

Where are you measuring 12.2 volts?

 

[GThomp]

Re: 140hp Evinrude Charging promblem

At the batt. When the engine is off I get 12.7 volts.