Coil, Voltage Reg or alternator

Forbin

Seaman
Joined
May 24, 2011
Messages
70
I slowley figuring out what the problem is with my boat. My assumption now is that it is electrical. Here is what it does:

Boat start perfect and out of the marina it rides like a new boat. I can slow down and get back to WOT a bunch of times. I have had the boat out 4 times this year. Everytime it runs perfect for 20 to 30 min then....I turn it of and fish or relax abnd then when i start it up it turns to crap. struggles to plane or move fast and crawls back to marina. Everytime same thing. If I start it up now I bet it would run perfect for first 20 until I shut it of and let it sit.

When it is running perfert the the battery guage show between 12 and 13 volts. When I start it up after sitting and the boat is really struggling then the battery guage shows oly about 10 or 11.

Please help with diagnosis.
 

Forbin

Seaman
Joined
May 24, 2011
Messages
70
Re: Coil, Voltage Reg or alternator

Well I started this one because it was more specific to the electric system and not the fuel system problems.
 
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