OLD FUEL IN INBOARD TANKS - What is best method for draining old fuel?

rrb6699

Cadet
Joined
Dec 3, 2010
Messages
18
Should I just unhook the fuel lines to the injectors and fill up fuel tanks that way or what other option should I pursue? There are two tanks about 75 gallons each and I dont know how much fuel is in them. I need a way to estimate how much fuel is in each tank also. This is a boat i inherited so I dont know anything about it other than I need to do this first.
thanks in advance.

Ray
 
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