Hi. I posted on here regarding my Sea Ray Seville. My brother and I just bought it, and unfortunately were screwed...bigtime. We did not check its compression beforehand. Currently, it has a Mercruiser 3.7L 170 HP engine. The compression test came back as:
1-175
2-175
3-75
4-100
I know the...
Hi All-
Just bought this 1985 Sea Ray Seville 21' Cuddy with 170 HP Mercruiser I/O. Owner had not run the boat in over 5 years, so I started with the basics. I put in new plugs, wires, rotor, engine would still not fire. During this time, I also put Mystery Oil in all 4 spark plug holes and...
