Recently rebuilt the carbs and did a linc and sync and thought all was well but last week and this week took the boat out started fine and ran great to the 1st spot fished about 1/2 hour went to move and when I put it in gear it stalled 3 times same thing after the 2nd spot runs great at WOT and evrything else as long as I can get over the stall could it be something other than gas??? need some imput