I have a 1994 18ft Sea Ray with a Mercruiser 4.3L V6 (2bbl carb and thunderbolt ignition) and Alpha One Gen II outdrive.
The engine will run for 15-20 seconds at idle in nuetral, but will then stall. Revving the motor to 2-3000 RPM did not help as it would still stall after 15-20 seconds. It...