gdavis67
Active Member
- Mar 1, 2017
- 137
- Boat Info
- 1990 390ec
- Engines
- Twin 454 Mercruiser T 340 with Hurth drives
This is regarding my 1990 390 EC, but I have had similar problems with previous boats so it's not unique to my current boat. After the boat sits for the week without us there, the first startup of the weekend is always difficult. 20-30 seconds of cranking each motor, let starter cool, then crank again with the throttle advanced a little to help fire. Generally starts on the second attempt. Both motors and the gennie are this way. Gennie takes three attempts. It's like the fuel is being siphoned out of the carb and back into the tank. I have checked all of the air vents for the fuel tanks and they are clear and clean. Any other ideas? Not really a big problem, just an annoyance.