The trim cylinders are leaking on my 1978 Mercury 140hp 6 inline outboard, allowing the engine to drop to its full down position. How easy is it to rebuild the cylinders, and where can I get a rebuild kit? Unfortunately, my Clymer shop manual only addresses electrical problems and how to bleed...
I have a 1978 6 in-line 140 hp Merc. I believe the serial is 4865109. I want to connect a stock Mercury water pressure gauge, but the instructions only cover later model units. Anyone know where to connect the pressure tube on a 140 hp power head? Is there a plug on the block it connects...
