Hi, This MerCruiser 5.0 Carb Model Engine is on Bayliner. The Engine has not been started for a few years, I tried to start it it almost kicked over, so I did a compression test with the following results. Piston 1 - 85, 4,=90, 6=0, 8=60, 7-70, 5=0, 3= 130, 1=100. I know overall the majority of...