I went through a lot with this motor over the last month so I thought I'd post an update. I converted the two line fuel system to a single line. I used a Minuki style snowmobile fuel pump that runs off the same pressure port on the intake that used to pressurize the old tank. I removed the check...
I know I don't want to hear it, but I'm pretty sure my spark plug electrode ends being coated with a thin whitish milky fluid means that water is getting into the cylinders. Any other options before I gather parts to tear down the engine?
I recently purchased a Mariner 48 HP outboard and it was not running well. It was losing a cylinder at low rpms, weak water stream, and slobbering all over itself at idle. After new plugs and cleaning and adjusting the carbs- found a needle not seating and a golf ball size piece of sponge stuck...
I have a '57 Johnson 18 HP Seahorse outboard that I was going to sell before doing a little research. I wanted to have a motor to use as a backup for my 48 HP Mariner to fish HP restricted areas. I just didn't want to run two seperate fuel systems from to front of my 16' decked Jon to the back...
